All Stories

  1. Perspectives on Decay and Time Evolution of Metastable States: From Particle Physics to Cosmology

    Article • Advances in High Energy Physics, December 2018, Hindawi Publishing Corporation

    Krzysztof Urbanowski

  2. From Quantum Unstable Systems to the Decaying Dark Energy: Cosmological Implications

    Article • Advances in High Energy Physics, August 2018, Hindawi Publishing Corporation

    Krzysztof Urbanowski

  3. False vacuum as an unstable state

    Article • EPJ Web of Conferences, January 2016, EDP Sciences

    Krzysztof Urbanowski

  4. New Quantum Effect: Emission of Cosmic X– or γ–rays by Moving Unstable Particles at Late Times

    Article • EPJ Web of Conferences, January 2016, EDP Sciences

    Krzysztof Urbanowski

  5. Cosmology with a decaying vacuum energy parametrization derived from quantum mechanics

    Article • Journal of Physics Conference Series, July 2015, Institute of Physics Publishing

    Krzysztof Urbanowski

  6. Emission of cosmic radio-waves,X— or γ—rays by moving unstable particles at late times

    Article • Journal of Physics Conference Series, July 2015, Institute of Physics Publishing

    Krzysztof Urbanowski

  7. On the Velocity of Moving Relativistic Unstable Quantum Systems

    Article • Advances in High Energy Physics, January 2015, Hindawi Publishing Corporation

    Krzysztof Urbanowski

  8. Decay law of relativistic particles: Quantum theory meets special relativity

    Article • Physics Letters B, October 2014, Elsevier

    Krzysztof Urbanowski

  9. Possible emission of cosmic X- and γ-rays by unstable particles at late times

    Article • Physics Letters B, April 2014, Elsevier

    Krzysztof Urbanowski

  10. Effective Hamiltonians for Complexes of Unstable Particles

    Article • Open Systems & Information Dynamics, September 2013, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  11. POST–EXPONENTIAL DECAY OF UNSTABLE PARTICLES: POSSIBLE EFFECTS IN PARTICLE PHYSICS AND ASTROPHYSICS

    Article • January 2013, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  12. Cosmology with a decaying vacuum

    Article • January 2013, American Institute of Physics

    Krzysztof Urbanowski

  13. Late Time Behavior of Unstable Particles

    Article • Journal of Nuclear and Particle Physics, August 2012, Scientific and Academic Publishing

    Krzysztof Urbanowski

  14. Comment on “Late Time Behavior of False Vacuum Decay: Possible Implications for Cosmology and Metastable Inflating States”

    Article • Physical Review Letters, November 2011, American Physical Society (APS)

    Krzysztof Urbanowski

  15. ENERGY OF UNSTABLE STATES AT LONG TIMES

    Article • October 2010, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  16. Long Time Deviations from the Exponential Decay Law: Possible Observational Effects

    Article • Computational Methods in Science and Technology, January 2010, ICHB PAS Poznan Supercomputing and Networking Center

    Krzysztof Urbanowski

  17. General properties of the evolution of unstable states at long times

    Article • Zeitschrift für Physik D, June 2009, Springer Science + Business Media

    Krzysztof Urbanowski

  18. Long time properties of the evolution of an unstable state

    Article • Open Physics, January 2009, De Gruyter

    Krzysztof Urbanowski

  19. KHALFIN'S THEOREM AND NEUTRAL MESONS SUBSYSTEM

    Article • January 2009, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  20. A quantum long time energy red shift: a contribution to varying α theories

    Article • The European Physical Journal C, September 2008, Springer Science + Business Media

    Krzysztof Urbanowski

  21. On Khalfin’s improvement of the LOY effective Hamiltonian for neutral meson complex

    Article • The European Physical Journal C, November 2006, Springer Science + Business Media

    Krzysztof Urbanowski

  22. CPT and effective Hamiltonians for neutral kaon and similar complexes*

    Article • Computational Methods in Science and Technology, January 2005, ICHB PAS Poznan Supercomputing and Networking Center

    Krzysztof Urbanowski

  23. Studying the Bell-Steinberger relation

    Article • The European Physical Journal C, September 2004, Springer Science + Business Media

    Krzysztof Urbanowski

  24. NEED THE MASSES OF UNSTABLE PARTICLES AND THEIR ANTIPARTICLES BE EQUAL IN THE CPT-INVARIANT SYSTEM?

    Article • Modern Physics Letters A, March 2004, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  25. On masses of unstable particles and their antiparticles in the CPT-invariant system

    Article • Physics Letters B, July 2002, Elsevier

    Krzysztof Urbanowski

  26. Article • Foundations of Physics, January 2000, Springer Science + Business Media

    Krzysztof Urbanowski

  27. IS THE STANDARD INTERPRETATION OF CPT-VIOLATION PARAMETER FOR NEUTRAL KAON COMPLEX WELL FOUNDED?

    Article • International Journal of Modern Physics A, March 1998, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  28. DISCUSSION OF AN ALTERNATIVE APPROACH TO DESCRIPTION OF TIME EVOLUTION IN THE NEUTRAL KAONS SYSTEM

    Article • International Journal of Modern Physics A, March 1995, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  29. Early-time properties of quantum evolution

    Article • Physical Review A, October 1994, American Physical Society (APS)

    Krzysztof Urbanowski

  30. Strange properties of early time evolution of the projection of a state vector

    Article • Foundations of Physics Letters, June 1994, Springer Science + Business Media

    Krzysztof Urbanowski

  31. On the decay width of multiply measured unstable state

    Article • Foundations of Physics Letters, October 1993, Springer Science + Business Media

    Krzysztof Urbanowski

  32. EARLY TIME DEPARTURES FROM THE WEISSKOPF-WIGNER DECAY RATE

    Article • International Journal of Modern Physics A, September 1993, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  33. On the CPT-noninvariance of the effective Hamiltonian governing the time evolution in neutral kaon subspace in a CPT-invariant system

    Article • Physics Letters B, September 1993, Elsevier

    Krzysztof Urbanowski

  34. EARLY TIME PROPERTIES OF TIME EVOLUTION IN TWO-DIMENSIONAL SUBSPACE AND CP VIOLATION PROBLEM

    Article • International Journal of Modern Physics A, August 1993, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  35. A proposal for a model of many-successive measuring process

    Article • Foundations of Physics Letters, April 1993, Springer Science + Business Media

    Krzysztof Urbanowski

  36. A new CP-violation effect?

    Article • Physics Letters A, December 1992, Elsevier

    Krzysztof Urbanowski

  37. Multiple measurements realized by a multiple scattering process

    Article • Physica A Statistical Mechanics and its Applications, November 1992, Elsevier

    Krzysztof Urbanowski

  38. ANOTHER LOOK AT THE CP VIOLATION PROBLEM

    Article • International Journal of Modern Physics A, October 1992, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  39. On the description of multiple measurements of an unstable state

    Article • Foundations of Physics, April 1992, Springer Science + Business Media

    Krzysztof Urbanowski

  40. Reduction Process, Multiple Measurement and Decay

    Article • EPL (Europhysics Letters), February 1992, Institute of Physics Publishing

    Krzysztof Urbanowski

  41. MANY SUCCESSIVE MEASUREMENTS AND EXPONENTIAL DECAY

    Article • International Journal of Modern Physics A, March 1991, World Scientific Pub Co Pte Lt

    Krzysztof Urbanowski

  42. Discussion of the Królikowski-Rzewuski equation for projection of a state-vector onto one-dimensional subspace of Hilbert space

    Article • Reports on Mathematical Physics, August 1980, Elsevier

    Krzysztof Urbanowski