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Isothermal processes of a finitely extended, driven quantum system in contact with an infinite heat bath are studied from the point of view of quantum statistical mechanics. Notions like heat flux, work and entropy are defined for trajectories of states close to, but distinct from states of joint thermal equilibrium. A theorem characterizing reversible isothermal processes as quasi-static processes (''isothermal theorem'') is described. Corollaries concerning the changes of entropy and free energy in reversible isothermal processes and on the 0th law of thermodynamics are outlined.
Foundations of time-dependent statistical mechanics, isothermal processes, Isothermal processes, FOS: Physical sciences, Mathematical Physics (math-ph), heat bath, Adiabatic theorem, Adiabatic theorem; Isothermal processes; Reversible processes, adiabatic theorem, Reversible processes, Quantum dynamics and nonequilibrium statistical mechanics (general), zeroth law, Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics, Mathematical Physics, Selfadjoint operator theory in quantum theory, including spectral analysis
Foundations of time-dependent statistical mechanics, isothermal processes, Isothermal processes, FOS: Physical sciences, Mathematical Physics (math-ph), heat bath, Adiabatic theorem, Adiabatic theorem; Isothermal processes; Reversible processes, adiabatic theorem, Reversible processes, Quantum dynamics and nonequilibrium statistical mechanics (general), zeroth law, Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics, Mathematical Physics, Selfadjoint operator theory in quantum theory, including spectral analysis
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 25 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |