Results 31 to 40 of about 184,860 (271)

Reworking Zubarev’s Approach to Nonequilibrium Quantum Statistical Mechanics

open access: yesParticles, 2019
In this work, the nonequilibrium density operator approach introduced by Zubarev more than 50 years ago to describe quantum systems at a local thermodynamic equilibrium is revisited.
Francesco Becattini   +2 more
doaj   +1 more source

Generalization of Classical Statistical Mechanics to Quantum Mechanics and Stable Property of Condensed Matter

open access: yes, 2005
Classical statistical average values are generally generalized to average values of quantum mechanics, it is discovered that quantum mechanics is direct generalization of classical statistical mechanics, and we generally deduce both a new general ...
Anandan J.   +18 more
core   +1 more source

A geometric approach to the canonical reformulation of quantum mechanics [PDF]

open access: yes, 2006
The measure of distinguishability between two neighboring preparations of a physical system by a measurement apparatus naturally defines the line element of the preparation space of the system.
Mehrafarin, Mohammad
core   +1 more source

Equilibration of quantum gases

open access: yesNew Journal of Physics, 2016
Finding equilibration times is a major unsolved problem in physics with few analytical results. Here we look at equilibration times for quantum gases of bosons and fermions in the regime of negligibly weak interactions, a setting which not only includes ...
Terry Farrelly
doaj   +1 more source

Quantum group invariant, nonextensive quantum statistical mechanics

open access: yes, 2001
We study the consequences of introducing quantum group invariance in the formalism of nonextensive quantum statistical mechanics. We find that the corresponding thermodynamical system is equivalent to a Bose-Einstein gas in the Boltzmann-Gibbs ...
Abe   +26 more
core   +1 more source

The structure of classical extensions of quantum probability theory [PDF]

open access: yes, 2007
On the basis of a suggestive definition of a classical extension of quantum mechanics in terms of statistical models, we prove that every such classical extension is essentially given by the so-called Misra–Bugajski reduction map.
Beltrametti E. G.   +7 more
core   +3 more sources

Quantum Chaos and Statistical Mechanics

open access: yes, 1994
We briefly review the well known connection between classical chaos and classical statistical mechanics, and the recently discovered connection between quantum chaos and quantum statistical mechanics.Comment: talk given at the Conference on Fundamental ...
Berry, Berry, Berry, Sinai, Srednicki
core   +1 more source

Quantum mechanics as an approximation of statistical mechanics for classical fields

open access: yes, 2005
We show that, in spite of a rather common opinion, quantum mechanics can be represented as an approximation of classical statistical mechanics. The approximation under consideration is based on the ordinary Taylor expansion of physical variables.
Khrennikov, Andrei
core   +4 more sources

Statistical geometry in quantum mechanics [PDF]

open access: yesProceedings of the Royal Society of London. Series A: Mathematical, Physical and Engineering Sciences, 1998
32 pages, LaTex file, Extended version to include quantum measurement ...
Brody, Dorje C., Hughston, Lane P.
openaire   +2 more sources

Influence of an Argon/Silane Atmosphere on the Temperature of a Thermal Plasma

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of a silane‐doped argon atmosphere on the chemical composition and temperature of a thermal nontransferring argon plasma is investigated using optical emission spectroscopy. As a result of the high amount of free electrons resulting from the stepwise ionization and dissociation of the silane molecule, even a silane addition of 0.01 vol ...
Lena Kreie   +4 more
wiley   +1 more source

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