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Quantum Statistical Mechanics in Classical Phase Space. V. Quantum Local, Average Global

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arxiv 2005.06165 v1 pith:4ALAMICL submitted 2020-05-13 quant-ph cond-mat.softcond-mat.stat-mechphysics.chem-ph

classification quant-phcond-mat.softcond-mat.stat-mechphysics.chem-ph
keywords localquantumresultsaveragesclassicalfieldphasespace
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One-particle energy eigenfunctions are used to obtain quantum averages in many particle systems. These are based on the effective local field due to fixed neighbors in classical phase space, while the averages account for the non-commutativity of the position and momentum operators. Used in Monte Carlo simulations for a one-dimensional Lennard-Jones fluid, the results prove more reliable than a high temperature expansion and a harmonic local field approach, and at intermediate temperatures agree with benchmark numerical results. Results are presented for distinguishable particles, fermions, and bosons.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Quantum Ornstein-Zernike Equation

    quant-ph 2019-08 reject novelty 6.0 of 10

    A proposed many-body expansion of a quantum commutation function into pairwise effective potentials is shown by the paper's own numerical tests to be unphysical and not viable.

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