Microscopic theory of the two-dimensional quantum antiferromagnet in a paramagnetic phase

DOI10.1006/aphy.2002.6235zbMath1001.82022arXivcond-mat/0009427OpenAlexW2014949161MaRDI QIDQ699057

Victor I. Belinicher, João da Providência

Publication date: 1 October 2002

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

Full work available at URL: https://arxiv.org/abs/cond-mat/0009427

zbMATH Keywords

free energydisordered phaseHeisenberg quantum antiferromagnet

Mathematics Subject Classification ID

Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs arising in equilibrium statistical mechanics (82B20) Statistical mechanics of magnetic materials (82D40)

Cites Work

• Path integrals of spin-\(J\) systems in the holomorphic representation
• Generalized phase-space representatives of \(\text{spin}-J\) operators in terms of Bloch coherent states
• Instanton picture of the spin tunnelling in the Lipkin - Meshkov - Glick model
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