On exact identity between thermodynamic and informatic entropies in a unitary model of friction

Details On exact identity between thermodynamic and informatic entropies in a unitary model of friction On exact identity between thermodynamic and informatic entropies in a unitary model of friction

2005-05-30

arxiv.org/abs/quant-ph/0505219v2

Int. J. Quant. Info. 4 (2006) 99-104

Physics

Quantum Physics

8pp, Contribution to the Int. J. of Quant. Info. issue dedicated to the memory of Asher Peres

Scientific paper

An elementary collision model of a molecular reservoir is considered upon which an external field is applied and the work is dissipated into heat. To realize macroscopic irreversibility at the microscopic level, we introduce a ``graceful'' irreversible map which randomly mixes the identities of the molecules. This map is expected to generate informatic entropy exactly equal to the independently calculable irreversible thermodynamic entropy.

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