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IJPAP Vol.44(05) [May 2006] >


Title: Non-equilibrium ensemble method: A quantum-statistical-mechanical approach
Authors: Haghighi, Behzad
Maaleki, Hamed
Emampour, S J Shakhs
Keywords: Non-equilibrium ensemble
Non-equilibrium statistical mechanics
Non-equilibrium partition function
Non-equilibrium entropy
Time-integrated entropy
Quantum-kinetic equation
Issue Date: May-2006
Publisher: CSIR
IPC CodeG06
Abstract: The non-equilibrium ensembles method has been applied to Boltzmann quantum-kinetic equation. We used the quantum-kinetic equation governing the density matrix, which has been proposed by Ogul and Eren, J Chem Phys, 105 (1996) 7664. The non-equilibrium quantum-mechanical ensemble can be constructed in terms of non-equilibrium entropy, Boltzmann entropy, constrained by the quantum Boltzmann equation as a dynamical equation of motion, which has governed the time evolution of non-equilibrium density matrix. The quantum-mechanically non-equilibrium partition function has been obtained. The conjuncture with the traditional irreversible thermodynamics has been shown.
Page(s): 378-384
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(05) [May 2006]

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