All Stories

  1. 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

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

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

    Kristopher Klein

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

    Article • EAS Publications Series, April 2026, EDP Sciences

    Kristopher Klein

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

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

    Kristopher Klein

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

    Article • EAS Publications Series, March 2026, EDP Sciences

    Kristopher Klein

  6. 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

  7. Evidence of 5 minute Oscillations from Parker Solar Probe

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

    Kristopher Klein

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

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

    Kristopher Klein

  9. 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

  10. 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

  11. 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

  12. Electrostatic Thermal Noise in Magnetized Weakly Ionized Collisional Plasmas

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

    Kristopher Klein

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

    Article • EAS Publications Series, December 2025, EDP Sciences

    Kristopher Klein

  14. Stochastic Heating in the Sub-Alfvénic Solar Wind

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

    Kristopher Klein

  15. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

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

    Article • October 2025, Wiley

    Kristopher Klein

  19. 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

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

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

    Kristopher Klein

  21. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  24. 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

  25. 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

  26. 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

  27. Quasithermal Noise in Magnetized Plasma: Theory and Simulations

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

    Kristopher Klein

  28. Nonlinear Interactions in Spherically Polarized Alfvénic Turbulence

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

    Kristopher Klein

  29. 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

  30. PLUME: Plasma in a Linear Uniform Magnetized Environment

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

    Kristopher Klein

  31. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  34. 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

  35. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  38. 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

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

    Article • October 2024, Authorea, Inc.

    Kristopher Klein

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

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

    Kristopher Klein

  41. 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

  42. Evaluation of Scale-dependent Kurtosis with HelioSwarm

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

    Kristopher Klein

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

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

    Kristopher Klein

  44. Constrained Wave-telescope Technique

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

    Kristopher Klein

  45. 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

  46. 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

  47. Analysis Techniques for Future Multipoint, Multiscale Observatories

    Article • March 2024, Copernicus GmbH

    Kristopher Klein

  48. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  51. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  54. 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

  55. 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

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

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

    Kristopher Klein

  57. 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

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

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

    Kristopher Klein

  59. 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

  60. 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

  61. 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

  62. 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

  63. 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

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

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  65. Intelligent Missions in the Living Heliospheric System Observatory

    Article • July 2023, American Astronomical Society

    Kristopher Klein

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

    Article • July 2023, American Astronomical Society

    Kristopher Klein

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

    Article • July 2023, American Astronomical Society

    Kristopher Klein

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

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  69. Enabling Discoveries in Heliospheric Science through Laboratory Plasma Experiments

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  70. 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

  71. Next Generation Machine to Study Heliophysics in the Laboratory

    Article • July 2023, American Astronomical Society

    Kristopher Klein

  72. The Physics of Collisionless Dissipation in the Heliosphere

    Article • July 2023, American Astronomical Society

    Kristopher Klein

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

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

    Kristopher Klein

  74. 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

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

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

    Kristopher Klein

  76. Anterograde Collisional Analysis of Solar Wind Ions

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

    Kristopher Klein

  77. 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

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

    Article • April 2023, Authorea, Inc.

    Kristopher Klein

  79. 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

  80. 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

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

    Article • February 2023, Copernicus GmbH

    Kristopher Klein

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

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

    Kristopher Klein

  83. Phase-space Energization of Ions in Oblique Shocks

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  87. Patches of Magnetic Switchbacks and Their Origins

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

    Kristopher Klein

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

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

    Kristopher Klein

  89. 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

  90. 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

  91. HelioSwarm: The Nature of Turbulence in Space Plasma

    Article • March 2022, Copernicus GmbH

    Kristopher Klein

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

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

    Kristopher Klein

  93. Parker Solar Probe Enters the Magnetically Dominated Solar Corona

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

    Kristopher Klein

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

    Article • December 2021, Wiley

    Kristopher Klein

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

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

    Kristopher Klein

  96. 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

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

    Article • November 2021, Wiley

    Kristopher Klein

  98. 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

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

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

    Kristopher Klein

  100. A Case for Electron-Astrophysics

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

    Kristopher Klein

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

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

    Kristopher Klein

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

    Article • EAS Publications Series, June 2021, EDP Sciences

    Kristopher Klein

  103. Electron heat flux in the near-Sun environment

    Article • EAS Publications Series, June 2021, EDP Sciences

    Kristopher Klein

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

    Article • EAS Publications Series, June 2021, EDP Sciences

    Kristopher Klein, Dr Lloyd D. Woodham

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

    Article • EAS Publications Series, June 2021, EDP Sciences

    Kristopher Klein

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

    Article • EAS Publications Series, May 2021, EDP Sciences

    Kristopher Klein

  107. 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

  108. PATCH: Particle Arrival Time Correlation for Heliophysics

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

    Kristopher Klein

  109. 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

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

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

    Kristopher Klein

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

    Article • March 2021, Copernicus GmbH

    Kristopher Klein

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

    Article • March 2021, Copernicus GmbH

    Kristopher Klein, Dr Lloyd D. Woodham

  113. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  116. Creation of large temperature anisotropies in a laboratory plasma

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

    Kristopher Klein

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

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

    Kristopher Klein

  118. 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

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

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

    Kristopher Klein

  120. 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

  121. 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

  122. 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

  123. 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

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

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

    Kristopher Klein

  125. 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

  126. Ion-scale Electromagnetic Waves in the Inner Heliosphere

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

    Kristopher Klein

  127. 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

  128. 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

  129. 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

  130. 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

  131. 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

  132. Magnetic Field Kinks and Folds in the Solar Wind

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

    Kristopher Klein

  133. 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

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

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

    Kristopher Klein

  135. 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

  136. 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

  137. The Solar Probe Cup on the Parker Solar Probe

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  140. The multi-scale nature of the solar wind

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

    Kristopher Klein

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

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

    Kristopher Klein

  142. Solar Wind Temperature Isotropy

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

    Kristopher Klein

  143. 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

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

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

    Kristopher Klein

  145. Solar Wind Plasma Parameter Distributions at 1 au

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  148. Interplay between intermittency and dissipation in collisionless plasma turbulence

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

    Kristopher Klein

  149. Predictions for the First Parker Solar Probe Encounter

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

    Kristopher Klein

  150. Evidence for electron Landau damping in space plasma turbulence

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  153. ALPS: the Arbitrary Linear Plasma Solver

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  157. 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

  158. 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

  159. 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

  160. 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

  161. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  164. 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

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

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

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

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

    Kristopher Klein

  169. 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

  170. 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

  171. 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

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

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

    Kristopher Klein

  173. 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

  174. 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

  175. 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

  176. Kinetic scale density fluctuations in the solar wind

    Article • January 2013, American Institute of Physics

    Kristopher Klein

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

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

    Kristopher Klein

  178. INTERPRETING MAGNETIC VARIANCE ANISOTROPY MEASUREMENTS IN THE SOLAR WIND

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

    Kristopher Klein

  179. 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