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Non-Equilibrium Time Evolution in Quantum Field Theory

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arxiv hep-th/9703006 v1 pith:HV7VEUZM submitted 1997-02-28 hep-th

classification hep-th
keywords quantumevolutionfieldnon-equilibriumtheorytimeclassicalcomparison
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The time development of equal-time correlation functions in quantum mechanics and quantum field theory is described by an exact evolution equation for generating functionals. This permits a comparison between classical and quantum evolution in non-equilibrium systems.

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Cited by 3 Pith papers

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

  1. Quantum observables for probabilistic classical particles

    quant-ph 2026-07 conditional novelty 5.0 of 10

    Solutions of the Liouville equation can be rewritten as a Schrödinger equation whose observables are non-commuting 'quantum' operators, reproducing the harmonic oscillator and hydrogen atom spectra as special subsystems.

  2. Quantum mechanics for classical transport equations

    quant-ph 2026-05 unverdicted novelty 5.0 of 10

    Classical probabilistic transport equations are reformulated as quantum systems whose wave function obeys Schrödinger evolution and whose observables include non-commuting operators for statistical quantities.

  3. Quantum field theory for classical fields

    quant-ph 2026-03 conditional novelty 4.0 of 10

    A classical Klein-Gordon field with random initial conditions, described through specially defined fluctuating observables, obeys the functional-integral rules of a quantum field theory.

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