All Stories

  1. The Damping and Instability of Ion-acoustic Waves in the Solar Wind: Solar Orbiter Observations

    Article • The Astrophysical Journal, May 2026, American Astronomical Society

    Kristopher Klein

  2. Electron Velocity Moments in the Solar Wind. II. Statistical Properties

    Article • The Astrophysical Journal, April 2026, American Astronomical Society

    Kristopher Klein

  3. Electron Velocity Moments in the Solar Wind. I. Calibration of the Wind 3DP EESA Low Detector

    Article • The Astrophysical Journal Supplement Series, April 2026, American Astronomical Society

    Kristopher Klein

  4. Wave–Particle Equilibria with Heavy Ions in Weakly Collisional Space Plasmas

    Article • The Astrophysical Journal, April 2026, American Astronomical Society

    Kristopher Klein

  5. Free Energy Sources of Ion-scale Waves Observed by Parker Solar Probe

    Article • The Astrophysical Journal Supplement Series, April 2026, American Astronomical Society

    Kristopher Klein

  6. Strong Prevalence of Hammerhead Velocity Distributions Close to the Heliospheric Current Sheet

    Article • The Astrophysical Journal Letters, April 2026, American Astronomical Society

    Kristopher Klein

  7. Impact of Yaglom’s law anisotropy on the estimation of the turbulence energy transfer rate: A multipoint multiscale analysis

    Article • Astronomy and Astrophysics, April 2026, EDP Sciences

    Kristopher Klein

  8. Solar Wind Heating near the Sun: A Radial Evolution Approach

    Article • The Astrophysical Journal, March 2026, American Astronomical Society

    Kristopher Klein

  9. Velocity-space signatures of energy transfer for ion-acoustic instabilities

    Article • Astronomy and Astrophysics, March 2026, EDP Sciences

    Kristopher Klein

  10. Extending the Wave Telescope Technique to Larger Numbers of Spacecraft Obtaining Robust Spatial Power Spectra

    Article • Journal of Geophysical Research Space Physics, March 2026, American Geophysical Union (AGU)

    Kristopher Klein

  11. Evidence of 5 minute Oscillations from Parker Solar Probe

    Article • The Astrophysical Journal Letters, February 2026, American Astronomical Society

    Kristopher Klein

  12. Evolution of an Alfvén Wave–driven Proton Beam in the Expanding Solar Wind

    Article • The Astrophysical Journal, February 2026, American Astronomical Society

    Kristopher Klein

  13. Perpendicular ion heating in turbulence and reconnection: magnetic moment breaking by coherent fluctuations

    Article • Journal of Plasma Physics, February 2026, Cambridge University Press

    Kristopher Klein

  14. Ion‐Scale Wave Emission and Absorption for Non‐Maxwellian Velocity Distributions in the Inner Heliosphere

    Article • Geophysical Research Letters, January 2026, American Geophysical Union (AGU)

    Kristopher Klein

  15. First in Situ Estimates of the Sheath Resistance for the PSP/FIELD Antenna: Employing an Electron Shot Noise Model

    Article • The Astrophysical Journal, January 2026, American Astronomical Society

    Kristopher Klein

  16. Electrostatic Thermal Noise in Magnetized Weakly Ionized Collisional Plasmas

    Article • Journal of Geophysical Research Space Physics, December 2025, American Geophysical Union (AGU)

    Kristopher Klein

  17. Regulation of temperature anisotropy for solar wind protons and alpha particles by collisions and instabilities

    Article • Astronomy and Astrophysics, December 2025, EDP Sciences

    Kristopher Klein

  18. Stochastic Heating in the Sub-Alfvénic Solar Wind

    Article • Physical Review Letters, December 2025, American Physical Society (APS)

    Kristopher Klein

  19. Multispacecraft Measurements of the Evolving Geometry of the Solar Alfvén Surface over Half a Solar Cycle

    Article • The Astrophysical Journal Letters, December 2025, American Astronomical Society

    Kristopher Klein

  20. Non-Maxwellianity of ion velocity distributions in the Earth's magnetosheath

    Article • Physical Review E, November 2025, American Physical Society (APS)

    Kristopher Klein

  21. Free Energy Source of the Mirror Instability: Nonresonant Particles

    Article • Physical Review Letters, October 2025, American Physical Society (APS)

    Kristopher Klein

  22. Extending the wave telescope technique to larger numbers of spacecraft obtaining robust spatial power spectra

    Article • October 2025, Wiley

    Kristopher Klein

  23. Observational Constraints on the Radial Evolution of O6+ Temperature and Differential Flow in the Inner Heliosphere

    Article • The Astrophysical Journal Letters, September 2025, American Astronomical Society

    Kristopher Klein

  24. The dielectric response of plasmas with arbitrary gyrotropic velocity distributions

    Article • Physics of Plasmas, September 2025, American Institute of Physics

    Kristopher Klein

  25. Parker Solar Probe Observations of Turbulence and Waves between a Current Sheet and an Interplanetary Coronal Mass Ejection–Driven Shock

    Article • The Astrophysical Journal, August 2025, American Astronomical Society

    Kristopher Klein

  26. A two-fluid solar-wind model with intermittent Alfvénic turbulence

    Article • Journal of Plasma Physics, August 2025, Cambridge University Press

    Kristopher Klein

  27. Impact of Two-population α-particle Distributions on Plasma Stability

    Article • The Astrophysical Journal Letters, July 2025, American Astronomical Society

    Kristopher Klein

  28. Identification of Ion-kinetic Instabilities in Hybrid-PIC Simulations of Solar Wind Plasma with Machine Learning

    Article • The Astrophysical Journal Supplement Series, July 2025, American Astronomical Society

    Kristopher Klein

  29. The Temperature Anisotropy and Helium Abundance Features of Alfvénic Slow Solar Wind Observed by Parker Solar Probe, Helios, and Wind Missions

    Article • The Astrophysical Journal Letters, June 2025, American Astronomical Society

    Kristopher Klein

  30. Evidence of Interaction between Ion-scale Waves and Ion Velocity Distributions in the Solar Wind

    Article • The Astrophysical Journal, June 2025, American Astronomical Society

    Kristopher Klein

  31. Quasithermal Noise in Magnetized Plasma: Theory and Simulations

    Article • The Astrophysical Journal, May 2025, American Astronomical Society

    Kristopher Klein

  32. Nonlinear Interactions in Spherically Polarized Alfvénic Turbulence

    Article • The Astrophysical Journal, May 2025, American Astronomical Society

    Kristopher Klein

  33. Modeling Hot, Anisotropic Ion Beams in the Solar Wind Motivated by the Parker Solar Probe Observations near Perihelia

    Article • The Astrophysical Journal, May 2025, American Astronomical Society

    Kristopher Klein

  34. PLUME: Plasma in a Linear Uniform Magnetized Environment

    Article • Research Notes of the AAS, April 2025, American Astronomical Society

    Kristopher Klein

  35. Solar Wind Electron Instabilities caused by Uneven Temperatures — Analyzed with ALPS

    Article • Physics of Plasmas, March 2025, American Institute of Physics

    Dustin Lee Schröder, Kristopher Klein

  36. Extreme Heating of Minor Ions in Imbalanced Solar-wind Turbulence

    Article • The Astrophysical Journal, January 2025, American Astronomical Society

    Kristopher Klein

  37. Turbulent Energy Conversion Associated With Kinetic Microinstabilities in Earth's Magnetosheath

    Article • Geophysical Research Letters, December 2024, American Geophysical Union (AGU)

    Kristopher Klein

  38. Wave‐Telescope Analysis for Multipoint Observatories: Impact of Timing and Spatial Uncertainties

    Article • Journal of Geophysical Research Space Physics, December 2024, American Geophysical Union (AGU)

    Kristopher Klein

  39. Radial Evolution of Non-Maxwellian Electron Populations Derived from Quasi-thermal Noise Spectroscopy: Parker Solar Probe Observations

    Article • The Astrophysical Journal, November 2024, American Astronomical Society

    Kristopher Klein

  40. Electron Influence on the Parallel Proton Firehose Instability in 10-moment, Multifluid Simulations

    Article • The Astrophysical Journal, November 2024, American Astronomical Society

    Kristopher Klein

  41. Regulation of Solar Wind Electron Temperature Anisotropy by Collisions and Instabilities

    Article • The Astrophysical Journal, October 2024, American Astronomical Society

    Kristopher Klein

  42. Measurement of the Taylor Microscale and the Effective Magnetic Reynolds Number in the Solar Wind With Cluster

    Article • Journal of Geophysical Research Space Physics, October 2024, American Geophysical Union (AGU)

    Kristopher Klein

  43. Wave-Telescope Analysis for Multipoint Observatories: Impact of Timing and Spatial Uncertainties

    Article • October 2024, Authorea, Inc.

    Kristopher Klein

  44. Direct observation of ion cyclotron damping of turbulence in Earth’s magnetosheath plasma

    Article • Nature Communications, October 2024, Springer Science + Business Media

    Kristopher Klein

  45. Estimated Heating Rates Due to Cyclotron Damping of Ion-scale Waves Observed by the Parker Solar Probe

    Article • The Astrophysical Journal, September 2024, American Astronomical Society

    Kristopher Klein

  46. Evaluation of Scale-dependent Kurtosis with HelioSwarm

    Article • The Astrophysical Journal Letters, July 2024, American Astronomical Society

    Kristopher Klein

  47. Boundary of the Distribution of Solar Wind Proton Beta versus Temperature Anisotropy

    Article • The Astrophysical Journal, July 2024, American Astronomical Society

    Kristopher Klein

  48. Constrained Wave-telescope Technique

    Article • Research Notes of the AAS, May 2024, American Astronomical Society

    Kristopher Klein

  49. Erratum: “Parker Solar Probe Observations of High Plasma β Solar Wind from the Streamer Belt” (2023, ApJS, 265, 47)

    Article • The Astrophysical Journal Supplement Series, April 2024, American Astronomical Society

    Kristopher Klein

  50. Parallel Diffusion Coefficient of Energetic Charged Particles in the Inner Heliosphere from the Turbulent Magnetic Fields Measured by Parker Solar Probe

    Article • The Astrophysical Journal, April 2024, American Astronomical Society

    Kristopher Klein

  51. Analysis Techniques for Future Multipoint, Multiscale Observatories

    Article • March 2024, Copernicus GmbH

    Kristopher Klein

  52. Mind the gap: Nonlocal cascades and preferential heating in high-β Alfvénic turbulence

    Article • Monthly Notices of the Royal Astronomical Society Letters, March 2024, Oxford University Press (OUP)

    Kristopher Klein

  53. Zone of Preferential Heating for Minor Ions in the Solar Wind

    Article • The Astrophysical Journal, March 2024, American Astronomical Society

    Kristopher Klein

  54. Multi‐Spacecraft Magnetic Field Reconstructions: A Cross‐Scale Comparison of Methods

    Article • Earth and Space Science, March 2024, American Geophysical Union (AGU)

    Kristopher Klein

  55. Collaborative Research: Vlasov‐Maxwell Simulations to Resolve Electron Heating and Dissipation, in Quasi‐Perpendicular Shocks

    Article • February 2024, Office of Scientific and Technical Information (OSTI)

    Kristopher Klein

  56. Application of collisional analysis to the differential velocity of solar wind ions

    Article • Frontiers in Astronomy and Space Sciences, January 2024, Frontiers

    Kristopher Klein

  57. Proton- and Alpha-driven Instabilities in an Ion Cyclotron Wave Event

    Article • The Astrophysical Journal, January 2024, American Astronomical Society

    Kristopher Klein

  58. Velocity-space Signatures of Resonant Energy Transfer between Whistler Waves and Electrons in the Earth’s Magnetosheath

    Article • The Astrophysical Journal, December 2023, American Astronomical Society

    Kristopher Klein

  59. Erratum: “The Statistical Properties of Solar Wind Temperature Parameters Near 1 au” (2018, ApJS, 236, 41)

    Article • The Astrophysical Journal Supplement Series, December 2023, American Astronomical Society

    Kristopher Klein

  60. Three-Dimensional Energy Transfer in Space Plasma Turbulence from Multipoint Measurement

    Article • Physical Review Letters, November 2023, American Physical Society (APS)

    Kristopher Klein

  61. Analyses of ∼0.05–2 MeV Ions Associated with the 2022 February 16 Energetic Storm Particle Event Observed by Parker Solar Probe

    Article • The Astrophysical Journal, November 2023, American Astronomical Society

    Kristopher Klein

  62. HelioSwarm: A Multipoint, Multiscale Mission to Characterize Turbulence

    Article • Space Science Reviews, November 2023, Springer Science + Business Media

    Kristopher Klein

  63. Corrigendum: Magnetic field reconstruction for a realistic multi-point, multi-scale spacecraft observatory

    Article • Frontiers in Astronomy and Space Sciences, October 2023, Frontiers

    Kristopher Klein

  64. The Effects of Nonequilibrium Velocity Distributions on Alfvén Ion-cyclotron Waves in the Solar Wind

    Article • The Astrophysical Journal, September 2023, American Astronomical Society

    Kristopher Klein

  65. Near-Sun In Situ and Remote-sensing Observations of a Coronal Mass Ejection and its Effect on the Heliospheric Current Sheet

    Article • The Astrophysical Journal, September 2023, American Astronomical Society

    Kristopher Klein

  66. Estimation of the error in the calculation of the pressure‐strain term: Application in the terrestrial magnetosphere

    Article • Journal of Geophysical Research Space Physics, August 2023, American Geophysical Union (AGU)

    Kristopher Klein

  67. Magnetospheric Multiscale measurements of turbulent electric fields in earth's magnetosheath: How do plasma conditions influence the balance of terms in generalized Ohm's law?

    Article • Physics of Plasmas, August 2023, American Institute of Physics

    Kristopher Klein

  68. Plasma turbulence: Challenges and next transformative steps from the perspective of multi-spacecraft measurements

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  69. Intelligent Missions in the Living Heliospheric System Observatory

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  70. Revolutionizing our Understanding of Particle Energization in Space Plasmas Using On-Board Wave-Particle Correlator Instrumentation

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  71. HelioSwarm: A Multipoint, Multiscale Mission to Characterize Turbulence

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  72. Disentangling the Spatiotemporal Structure of Turbulence Using Multi-Spacecraft Data

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  73. Enabling Discoveries in Heliospheric Science through Laboratory Plasma Experiments

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  74. Firefly: The Case for a Holistic Understanding of the Global Structure and Dynamics of the Sun and the Heliosphere

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  75. Next Generation Machine to Study Heliophysics in the Laboratory

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  76. The Physics of Collisionless Dissipation in the Heliosphere

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  77. Ion-driven Instabilities in the Inner Heliosphere. II. Classification and Multidimensional Mapping

    Article • The Astrophysical Journal, July 2023, American Astronomical Society

    Kristopher Klein

  78. Quantifying the Energy Budget in the Solar Wind from 13.3 to 100 Solar Radii

    Article • The Astrophysical Journal, July 2023, American Astronomical Society

    Kristopher Klein

  79. The Structure and Origin of Switchbacks: Parker Solar Probe Observations

    Article • The Astrophysical Journal, July 2023, American Astronomical Society

    Kristopher Klein

  80. Anterograde Collisional Analysis of Solar Wind Ions

    Article • The Astrophysical Journal, June 2023, American Astronomical Society

    Kristopher Klein

  81. Data-driven Uncertainty Quantification of the Wave Telescope Technique: General Equations and Demonstration Using HelioSwarm

    Article • The Astrophysical Journal Supplement Series, May 2023, American Astronomical Society

    Kristopher Klein

  82. Estimation of the error on the calculation of the pressure-strain term: application in the terrestrial magnetosphere

    Article • April 2023, Authorea, Inc.

    Kristopher Klein

  83. Estimation of Turbulent Proton and Electron Heating Rates via Landau Damping Constrained by Parker Solar Probe Observations

    Article • The Astrophysical Journal, April 2023, American Astronomical Society

    Kristopher Klein

  84. Parker Solar Probe Observations of High Plasma β Solar Wind from the Streamer Belt

    Article • The Astrophysical Journal Supplement Series, March 2023, American Astronomical Society

    Kristopher Klein

  85. Generalised Ohm’s Law in the Magnetosheath: How do plasma conditions impact turbulent electric fields?

    Article • February 2023, Copernicus GmbH

    Kristopher Klein

  86. Parker Solar Probe: Four Years of Discoveries at Solar Cycle Minimum

    Article • Space Science Reviews, February 2023, Springer Science + Business Media

    Kristopher Klein

  87. Phase-space Energization of Ions in Oblique Shocks

    Article • The Astrophysical Journal, February 2023, American Astronomical Society

    Kristopher Klein

  88. In Situ Signature of Cyclotron Resonant Heating in the Solar Wind

    Article • Physical Review Letters, October 2022, American Physical Society (APS)

    Kristopher Klein

  89. The Solar Probe ANalyzer—Ions on the Parker Solar Probe

    Article • The Astrophysical Journal, October 2022, American Astronomical Society

    Kristopher Klein

  90. Wind/Waves Antenna Length Determined Using Quasi-Thermal Noise Spectroscopy

    Article • Research Notes of the AAS, August 2022, American Astronomical Society

    Kristopher Klein

  91. Patches of Magnetic Switchbacks and Their Origins

    Article • The Astrophysical Journal, August 2022, American Astronomical Society

    Kristopher Klein

  92. Whistler Waves as a Signature of Converging Magnetic Holes in Space Plasmas

    Article • The Astrophysical Journal, August 2022, American Astronomical Society

    Kristopher Klein

  93. Revolutionizing Our Understanding of Particle Energization in Space Plasmas Using On-Board Wave-Particle Correlator Instrumentation

    Article • Frontiers in Astronomy and Space Sciences, June 2022, Frontiers

    Kristopher Klein

  94. Plasma Parameters From Quasi‐Thermal Noise Observed by Parker Solar Probe: A New Model for the Antenna Response

    Article • Journal of Geophysical Research Space Physics, March 2022, American Geophysical Union (AGU)

    Kristopher Klein

  95. HelioSwarm: The Nature of Turbulence in Space Plasma

    Article • March 2022, Copernicus GmbH

    Kristopher Klein

  96. Strong Perpendicular Velocity-space Diffusion in Proton Beams Observed by Parker Solar Probe

    Article • The Astrophysical Journal, January 2022, American Astronomical Society

    Kristopher Klein

  97. Parker Solar Probe Enters the Magnetically Dominated Solar Corona

    Article • Physical Review Letters, December 2021, American Physical Society (APS)

    Kristopher Klein

  98. Plasma Parameters from Quasi-Thermal Noise Observed by Parker Solar Probe: A New Model for the Antenna Response

    Article • December 2021, Wiley

    Kristopher Klein

  99. Ion-driven Instabilities in the Inner Heliosphere. I. Statistical Trends

    Article • The Astrophysical Journal, December 2021, American Astronomical Society

    Kristopher Klein

  100. Plasma Waves in the Distant Martian Environment: Implications for Mars’ Sphere of Influence

    Article • Journal of Geophysical Research Space Physics, November 2021, American Geophysical Union (AGU)

    Kristopher Klein

  101. The Solar Probe ANalyzer -Ions on Parker Solar Probe

    Article • November 2021, Wiley

    Kristopher Klein

  102. Experimental determination of ion acoustic wave dispersion relation with interferometric analysis

    Article • Journal of Geophysical Research Space Physics, October 2021, American Geophysical Union (AGU)

    Kristopher Klein

  103. Magnetic Field Reconstruction for a Realistic Multi-Point, Multi-Scale Spacecraft Observatory

    Article • Frontiers in Astronomy and Space Sciences, September 2021, Frontiers

    Kristopher Klein

  104. A Case for Electron-Astrophysics

    Article • Experimental Astronomy, June 2021, Springer Science + Business Media

    Kristopher Klein

  105. A field–particle correlation analysis of a perpendicular magnetized collisionless shock

    Article • Journal of Plasma Physics, June 2021, Cambridge University Press

    Kristopher Klein

  106. Detection of small magnetic flux ropes from the third and fourth Parker Solar Probe encounters

    Article • Astronomy and Astrophysics, June 2021, EDP Sciences

    Kristopher Klein

  107. Electron heat flux in the near-Sun environment

    Article • Astronomy and Astrophysics, June 2021, EDP Sciences

    Kristopher Klein

  108. The near-Sun streamer belt solar wind: turbulence and solar wind acceleration

    Article • Astronomy and Astrophysics, June 2021, EDP Sciences

    Kristopher Klein, Dr Lloyd D. Woodham

  109. Wave-particle energy transfer directly observed in an ion cyclotron wave

    Article • Astronomy and Astrophysics, June 2021, EDP Sciences

    Kristopher Klein

  110. A powerful machine learning technique to extract proton core, beam, and alpha-particle parameters from velocity distribution functions in space plasmas

    Article • Astronomy and Astrophysics, May 2021, EDP Sciences

    Kristopher Klein

  111. Determining Threshold Instrumental Resolutions for Resolving the Velocity‐Space Signature of Ion Landau Damping

    Article • Journal of Geophysical Research Space Physics, May 2021, American Geophysical Union (AGU)

    Kristopher Klein

  112. PATCH: Particle Arrival Time Correlation for Heliophysics

    Article • Journal of Geophysical Research Space Physics, May 2021, American Geophysical Union (AGU)

    Kristopher Klein

  113. Multiscale Solar Wind Turbulence Properties inside and near Switchbacks Measured by the Parker Solar Probe

    Article • The Astrophysical Journal, April 2021, American Astronomical Society

    Kristopher Klein

  114. How Alfvén waves energize the solar wind: heat versus work

    Article • Journal of Plasma Physics, April 2021, Cambridge University Press

    Kristopher Klein

  115. HelioSwarm: Leveraging Multi-Point, Multi-Scale Spacecraft Observations to Characterize Turbulence

    Article • March 2021, Copernicus GmbH

    Kristopher Klein

  116. The Near-Sun Streamer Belt Solar Wind: Turbulence and Solar Wind Acceleration

    Article • March 2021, Copernicus GmbH

    Kristopher Klein, Dr Lloyd D. Woodham

  117. Inferred Linear Stability of Parker Solar Probe Observations Using One- and Two-component Proton Distributions

    Article • The Astrophysical Journal, March 2021, American Astronomical Society

    Kristopher Klein

  118. Ion versus Electron Heating in Compressively Driven Astrophysical Gyrokinetic Turbulence

    Article • Physical Review X, December 2020, American Physical Society (APS)

    Kristopher Klein

  119. Turbulence Characteristics of Switchback and Nonswitchback Intervals Observed by Parker Solar Probe

    Article • The Astrophysical Journal Letters, December 2020, American Astronomical Society

    Kristopher Klein

  120. Creation of large temperature anisotropies in a laboratory plasma

    Article • Physics of Plasmas, December 2020, American Institute of Physics

    Kristopher Klein

  121. Small-scale Magnetic Flux Ropes in the First Two Parker Solar Probe Encounters

    Article • The Astrophysical Journal, November 2020, American Astronomical Society

    Kristopher Klein

  122. Proton core behaviour inside magnetic field switchbacks

    Article • Monthly Notices of the Royal Astronomical Society, September 2020, Oxford University Press (OUP)

    Kristopher Klein, Dr Lloyd D. Woodham

  123. Diagnosing collisionless energy transfer using field–particle correlations: Alfvén-ion cyclotron turbulence

    Article • Journal of Plasma Physics, July 2020, Cambridge University Press

    Kristopher Klein

  124. Solar Wind Electron Parameters Determination on Wind Spacecraft Using Quasi‐Thermal Noise Spectroscopy

    Article • Journal of Geophysical Research Space Physics, July 2020, American Geophysical Union (AGU)

    Kristopher Klein

  125. The Heliospheric Current Sheet and Plasma Sheet during Parker Solar Probe’s First Orbit

    Article • The Astrophysical Journal Letters, May 2020, American Astronomical Society

    Kristopher Klein

  126. Parker Solar Probe Observations of Proton Beams Simultaneous with Ion-scale Waves

    Article • The Astrophysical Journal Supplement Series, April 2020, American Astronomical Society

    Kristopher Klein

  127. Dependence of kinetic plasma waves on ion-to-electron mass ratio and light-to-Alfvén speed ratio

    Article • Monthly Notices of the Royal Astronomical Society, April 2020, Oxford University Press (OUP)

    Kristopher Klein

  128. The Solar Probe ANalyzers—Electrons on the Parker Solar Probe

    Article • The Astrophysical Journal Supplement Series, March 2020, American Astronomical Society

    Kristopher Klein

  129. Proton Temperature Anisotropy Variations in Inner Heliosphere Estimated with the First Parker Solar Probe Observations

    Article • The Astrophysical Journal Supplement Series, March 2020, American Astronomical Society

    Kristopher Klein

  130. Ion-scale Electromagnetic Waves in the Inner Heliosphere

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  131. Kinetic-scale Spectral Features of Cross Helicity and Residual Energy in the Inner Heliosphere

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  132. The Enhancement of Proton Stochastic Heating in the Near-Sun Solar Wind

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  133. Electrons in the Young Solar Wind: First Results from the Parker Solar Probe

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  134. Enhanced Energy Transfer Rate in Solar Wind Turbulence Observed near the Sun from Parker Solar Probe

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein, Dr MELVYN L GOLDSTEIN

  135. Identification of Magnetic Flux Ropes from Parker Solar Probe Observations during the First Encounter

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  136. Magnetic Field Kinks and Folds in the Solar Wind

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  137. Predicting the Solar Wind at the Parker Solar Probe Using an Empirically Driven MHD Model

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  138. Sharp Alfvénic Impulses in the Near-Sun Solar Wind

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  139. Solar Energetic Particles Produced by a Slow Coronal Mass Ejection at ∼0.25 au

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  140. The Evolution and Role of Solar Wind Turbulence in the Inner Heliosphere

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  141. The Solar Probe Cup on the Parker Solar Probe

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  142. Turbulence Transport Modeling and First Orbit Parker Solar Probe (PSP) Observations

    Article • The Astrophysical Journal Supplement Series, February 2020, American Astronomical Society

    Kristopher Klein

  143. Linear Stability in the Inner Heliosphere: Helios Re-evaluated

    Article • The Astrophysical Journal, December 2019, American Astronomical Society

    Kristopher Klein

  144. The multi-scale nature of the solar wind

    Article • Living Reviews in Solar Physics, December 2019, Springer Science + Business Media

    Kristopher Klein

  145. Alfvénic velocity spikes and rotational flows in the near-Sun solar wind

    Article • Nature, December 2019, Springer Science + Business Media

    Kristopher Klein

  146. Solar Wind Temperature Isotropy

    Article • Physical Review Letters, October 2019, American Physical Society (APS)

    Kristopher Klein

  147. Transition from ion-coupled to electron-only reconnection: Basic physics and implications for plasma turbulence

    Article • Physics of Plasmas, August 2019, American Institute of Physics

    Kristopher Klein, William H Matthaeus, M Swisdak

  148. Collisionless energy transfer in kinetic turbulence: field–particle correlations in Fourier space

    Article • Journal of Plasma Physics, July 2019, Cambridge University Press

    Kristopher Klein

  149. Solar Wind Plasma Parameter Distributions at 1 au

    Article • Research Notes of the AAS, July 2019, American Astronomical Society

    Kristopher Klein

  150. Radial Evolution of Stochastic Heating in Low-β Solar Wind

    Article • The Astrophysical Journal, July 2019, American Astronomical Society

    Kristopher Klein

  151. Strong Preferential Ion Heating is Limited to within the Solar Alfvén Surface

    Article • The Astrophysical Journal Letters, June 2019, American Astronomical Society

    Kristopher Klein

  152. Interplay between intermittency and dissipation in collisionless plasma turbulence

    Article • Journal of Plasma Physics, June 2019, Cambridge University Press

    Kristopher Klein

  153. Predictions for the First Parker Solar Probe Encounter

    Article • The Astrophysical Journal Letters, February 2019, American Astronomical Society

    Kristopher Klein

  154. Evidence for electron Landau damping in space plasma turbulence

    Article • Nature Communications, February 2019, Springer Science + Business Media

    Kristopher Klein

  155. Stochastic proton heating by kinetic-Alfvén-wave turbulence in moderately high- plasmas

    Article • Journal of Plasma Physics, December 2018, Cambridge University Press

    Kristopher Klein

  156. Large-scale Control of Kinetic Dissipation in the Solar Wind

    Article • The Astrophysical Journal Letters, August 2018, American Astronomical Society

    Kristopher Klein

  157. ALPS: the Arbitrary Linear Plasma Solver

    Article • Journal of Plasma Physics, July 2018, Cambridge University Press

    Kristopher Klein

  158. The Statistical Properties of Solar Wind Temperature Parameters Near 1 au

    Article • The Astrophysical Journal Supplement Series, June 2018, American Astronomical Society

    Kristopher Klein

  159. Majority of Solar Wind Intervals Support Ion-Driven Instabilities

    Article • Physical Review Letters, May 2018, American Physical Society (APS)

    Kristopher Klein

  160. Astrophysical gyrokinetics: turbulence in pressure-anisotropic plasmas at ion scales and beyond

    Article • Journal of Plasma Physics, April 2018, Cambridge University Press

    Kristopher Klein

  161. Magnetic Reconnection May Control the Ion-scale Spectral Break of Solar Wind Turbulence

    Article • The Astrophysical Journal Letters, March 2018, American Astronomical Society

    Kristopher Klein

  162. Spatially localized particle energization by Landau damping in current sheets produced by strong Alfvén wave collisions

    Article • Journal of Plasma Physics, January 2018, Cambridge University Press

    Professor Gregory G Howes, Kristopher Klein

  163. Nonlinear energy transfer and current sheet development in localized Alfvén wavepacket collisions in the strong turbulence limit

    Article • Journal of Plasma Physics, January 2018, Cambridge University Press

    Kristopher Klein

  164. Nature of Stochastic Ion Heating in the Solar Wind: Testing the Dependence on Plasma Beta and Turbulence Amplitude

    Article • The Astrophysical Journal Letters, November 2017, American Astronomical Society

    Kristopher Klein

  165. A Zone of Preferential Ion Heating Extends Tens of Solar Radii from the Sun

    Article • The Astrophysical Journal, November 2017, American Astronomical Society

    Kristopher Klein

  166. Applying Nyquist's method for stability determination to solar wind observations

    Article • Journal of Geophysical Research Space Physics, October 2017, Wiley

    Kristopher Klein

  167. Diagnosing collisionless energy transfer using field–particle correlations: gyrokinetic turbulence

    Article • Journal of Plasma Physics, July 2017, Cambridge University Press

    Kristopher Klein

  168. Characterizing fluid and kinetic instabilities using field-particle correlations on single-point time series

    Article • Physics of Plasmas, May 2017, American Institute of Physics

    Kristopher Klein

  169. Diagnosing collisionless energy transfer using field–particle correlations: Vlasov–Poisson plasmas

    Article • Journal of Plasma Physics, January 2017, Cambridge University Press

    Kristopher Klein

  170. ENERGY DISSIPATION AND LANDAU DAMPING IN TWO- AND THREE-DIMENSIONAL PLASMA TURBULENCE

    Article • The Astrophysical Journal Letters, November 2016, American Astronomical Society

    Kristopher Klein

  171. COLLISIONLESS ISOTROPIZATION OF THE SOLAR-WIND PROTONS BY COMPRESSIVE FLUCTUATIONS AND PLASMA INSTABILITIES

    Article • The Astrophysical Journal, November 2016, American Astronomical Society

    Kristopher Klein

  172. MEASURING COLLISIONLESS DAMPING IN HELIOSPHERIC PLASMAS USING FIELD–PARTICLE CORRELATIONS

    Article • The Astrophysical Journal Letters, July 2016, American Astronomical Society

    Kristopher Klein

  173. EVOLUTION OF THE PROTON VELOCITY DISTRIBUTION DUE TO STOCHASTIC HEATING IN THE NEAR-SUN SOLAR WIND

    Article • The Astrophysical Journal, March 2016, American Astronomical Society

    Kristopher Klein

  174. ON THE CONSERVATION OF CROSS HELICITY AND WAVE ACTION IN SOLAR-WIND MODELS WITH NON-WKB ALFVÉN WAVE REFLECTION

    Article • The Astrophysical Journal, September 2015, Institute of Physics Publishing

    Kristopher Klein

  175. A MODIFIED VERSION OF TAYLOR’S HYPOTHESIS FOR SOLAR PROBE PLUS OBSERVATIONS

    Article • The Astrophysical Journal Letters, March 2015, Institute of Physics Publishing

    Kristopher Klein

  176. Predicted impacts of proton temperature anisotropy on solar wind turbulence

    Article • Physics of Plasmas, March 2015, American Institute of Physics

    Kristopher Klein

  177. THE VIOLATION OF THE TAYLOR HYPOTHESIS IN MEASUREMENTS OF SOLAR WIND TURBULENCE

    Article • The Astrophysical Journal Letters, July 2014, Institute of Physics Publishing

    Kristopher Klein

  178. VALIDITY OF THE TAYLOR HYPOTHESIS FOR LINEAR KINETIC WAVES IN THE WEAKLY COLLISIONAL SOLAR WIND

    Article • The Astrophysical Journal, June 2014, Institute of Physics Publishing

    Kristopher Klein

  179. PHYSICAL INTERPRETATION OF THE ANGLE-DEPENDENT MAGNETIC HELICITY SPECTRUM IN THE SOLAR WIND: THE NATURE OF TURBULENT FLUCTUATIONS NEAR THE PROTON GYRORADIUS SCALE

    Article • The Astrophysical Journal, April 2014, Institute of Physics Publishing

    Kristopher Klein

  180. Kinetic scale density fluctuations in the solar wind

    Article • January 2013, American Institute of Physics

    Kristopher Klein

  181. USING SYNTHETIC SPACECRAFT DATA TO INTERPRET COMPRESSIBLE FLUCTUATIONS IN SOLAR WIND TURBULENCE

    Article • The Astrophysical Journal, August 2012, Institute of Physics Publishing

    Kristopher Klein

  182. INTERPRETING MAGNETIC VARIANCE ANISOTROPY MEASUREMENTS IN THE SOLAR WIND

    Article • The Astrophysical Journal, June 2012, Institute of Physics Publishing

    Kristopher Klein

  183. THE SLOW-MODE NATURE OF COMPRESSIBLE WAVE POWER IN SOLAR WIND TURBULENCE

    Article • The Astrophysical Journal Letters, June 2012, Institute of Physics Publishing

    Kristopher Klein