/ Gravitation and Cosmology arXiv:0904.3637

Quantum kinetic equation before and after Big Bang

Altaisky, M.V. (Moscow, Space Res. Inst.)

Pages: 15

Abstract: The energy dissipation in a gas of structured objects, e.g. molecules, is considered in density matrix formalism. It is shown that the macroscopic irreversibility of the kinetic processes can be considered as a consequence of the microscopic operator ordering. Our approach is free of any special assumptions on the space-time geometry, except for the general causality assumptions, so it can be applied to a wide variety of processes, from the cosmological processes at Big Bang stage till the energy dissipation in molecular gases.

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