Symmetry breaking and finite-size effects in quantum many-body systems

DOI10.1007/BF02188685zbMath0863.46048arXivcond-mat/9708132MaRDI QIDQ1906369

Tohru Koma, Hal Tasaki

Publication date: 24 August 1996

Published in: Journal of Statistical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/cond-mat/9708132

zbMATH Keywords

spontaneous symmetry breakingquantum fluctuationground statesfinite-size effectsHubbard modelNéel orderergodic statesinfinite-volume ground stateslow-lying statesobscured symmetry breakingoff-diagonal long-range orderquantum many-body system on a lattice

Mathematics Subject Classification ID

Many-body theory; quantum Hall effect (81V70) Quantum equilibrium statistical mechanics (general) (82B10) Applications of functional analysis in quantum physics (46N50) Statistical mechanics of gases (82D05)

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