Irreversibility and decoherence in an ideal gas

Polónyi, János (2015) Irreversibility and decoherence in an ideal gas. JOURNAL OF PHYSICS-CONFERENCE SERIES, 626 (1). ISSN 1742-6588

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Abstract

Different models are described where non-interacting particles generate dissipativeeffective forces by the mixing of infinitely many soft normal modes. The effective action iscalculated for these models within the Closed Time Path formalism. This is a well knownscheme for quantum systems but its application in classical mechanics presents a new, moreunified derivation and treatment of dissipative forces within classical and quantum physics.

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