Entropy, frequency mixing, and particle creation

  • Henry E. Kandrup
F. Relativity, Quantum Mechanics, and Thermodynamics
Part of the Lecture Notes in Physics book series (LNP, volume 278)


Density Matrix Entropy Generation Particle Creation Parametric Amplification Reduce Density Matrice 
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  1. 1.
    The subject matter discussed here is considered in greater detail in two forthcoming papers, “Entropy Generation in Cosmological Particle Creation,” by B. L. Hu, H. E. Kandrup, and D. Pavon, and “Non-equilibrium Entropy in Classical and Quantum Field Theory,” by H. E. Kandrup.Google Scholar
  2. 2.
    H. E. Kandrup, J. Math. Phys. 25, 3286 (1984); 26, 2850 (1985).ADSMathSciNetCrossRefGoogle Scholar
  3. 3.
    Earlier work on this subject is summarized, e.g., by B. L. Hu in L. Z. Fang and R. Ruffini (eds.),“Cosmology of the Early Universe,” (World Science, 1984).Google Scholar
  4. 4.
    This net increase is a very general result. A proof for a slightly different Hamiltonian is provided by H. E. Kandrup, Class. and Quantum Grav. Lett. (in press).Google Scholar
  5. 5.
    L. Parker, Phys. Rev. 183, 1057 (1969).ADSCrossRefGoogle Scholar

Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • Henry E. Kandrup
    • 1
  1. 1.Center for Theoretical PhysicsUniversity of MarylandCollege Park

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