The spectral gap of the ferromagnetic \(XXZ\) chain

DOI10.1023/A:1007351803403zbMath0880.60103arXivcond-mat/9512120OpenAlexW3001150223MaRDI QIDQ1357220

Bruno Nachtergaele, Tohru Koma

Publication date: 7 January 1998

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

Full work available at URL: https://arxiv.org/abs/cond-mat/9512120

zbMATH Keywords

spectral gapHeisenberg modelquantum spin chainsquantum group symmetryferromagnetic \(XXZ\) chainkink ground states

Mathematics Subject Classification ID

Quantum groups and related algebraic methods applied to problems in quantum theory (81R50) Other physical applications of random processes (60K40) Exactly solvable models; Bethe ansatz (82B23) Interface problems; diffusion-limited aggregation arising in equilibrium statistical mechanics (82B24) Quantum equilibrium statistical mechanics (general) (82B10)

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