Geometric expansion of the log-partition function of the anisotropic Heisenberg model

DOI10.1063/1.4931478zbMath1336.82002arXiv1503.08505OpenAlexW2170467761MaRDI QIDQ3192726

Jean Ruiz, Suren K. Poghosyan, Daniel Gandolfo

Publication date: 13 October 2015

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

Full work available at URL: https://arxiv.org/abs/1503.08505

zbMATH Keywords

asymptotic behaviorcluster expansion methoddecay of correlationsFeynman-Kac representationquantum anisotropic Heisenberg modelquantum lattice gasclassical lattice gaslog- grand partition functionloop gas in a bounded domaintwo-point truncated correlation functions

Mathematics Subject Classification ID

Path integrals in quantum mechanics (81S40) Many-body theory; quantum Hall effect (81V70) Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs arising in equilibrium statistical mechanics (82B20) Statistical mechanics of magnetic materials (82D40) Statistical thermodynamics (82B30) Quantum coherence, entanglement, quantum correlations (81P40) Open systems, reduced dynamics, master equations, decoherence (81S22)

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