\(4 \times 4\)-matrix transformation for systems with spontaneous symmetry breakdown and self-consistent renormalization in nonequilibrium thermo field dynamics

DOI10.1016/j.physa.2021.126732OpenAlexW4200144001MaRDI QIDQ2669323

Yanyan Li

Publication date: 9 March 2022

Published in: Physica A (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.physa.2021.126732

zbMATH Keywords

quantum field theoryrenormalizationnon-equilibriumthermo field dynamicsquantum transport equation

Mathematics Subject Classification ID

Statistical mechanics, structure of matter (82-XX)

Cites Work

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• Quantum Phase Coordinate as a Zero-Mode in Bose-Einstein Condensed States
• Brownian Motion of a Quantum Oscillator
• Field theories with « Superconductor » solutions
• Bose-Condensed Gases at Finite Temperatures
• Self-energy renormalization for inhomogeneous nonequilibrium systems and field expansion via complete set of time-dependent wavefunctions

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