SU (2) gauge symmetry of the large-U limit of the Hubbard model

Affleck, Ian; Zou, Z.; Hsu, T.; Anderson, P.W.

doi:10.1103/PhysRevB.38.745

SU (2) gauge symmetry of the large-U limit of the Hubbard model

Jul 1, 1988

2 pages

Published in:

Phys.Rev.B 38 (1988) 745-747

DOI:

10.1103/PhysRevB.38.745

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Abstract: (APS)

We demonstrate explicitly the SU(2) gauge invariance of the large-U limit of the Hubbard model, i.e., the Heisenberg model written in terms of electron operators with a constraint of one particle per site. We use this result to demonstrate the equivalence of two apparently very different mean-field theories.

References(8)

Figures(0)

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SU (2) gauge symmetry of the large-U limit of the Hubbard model

Citations per year

The Resonating valence bond state in La-2 CuO-4 and superconductivity

Resonating–valence-bond theory of phase transitions and superconductivity in La2_{2}2​CuO4_{4}4​-based compounds

Large n limit of the Heisenberg-Hubbard model: Implications for high t(c) supconductors

Neutral fermion, charge-e boson excitations in the resonating-valence-bond state and superconductivity in La Cu-2 O-4-based compounds

Gauge theory of high temperature superconductors and strongly correlated Fermi systems

Resonating–valence-bond theory of phase transitions and superconductivity in La $_{2}$ CuO $_{4}$ -based compounds