A gapless charge mode induced by the boundary states in the half-filled Hubbard open chain

DOI10.1088/0305-4470/31/36/006zbMath0953.82011arXivcond-mat/9803008OpenAlexW3100315308MaRDI QIDQ4259797

Koichi Kusakabe, Tetsuo Deguchi, Rui-Hong Yue

Publication date: 30 August 1999

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

Full work available at URL: https://arxiv.org/abs/cond-mat/9803008

zbMATH Keywords

ground stateexcited statesMott insulatorHubbard coupling

Mathematics Subject Classification ID

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

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Quantum critical phenomena, entanglement entropy and Hubbard model in 1d with the boundary site with a negative chemical potential \(-p\) and the Hubbard coupling \(U\) positive ⋮ Integrable open boundary conditions for the Bariev model of three coupled XY spin chains

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