Lagrangian for the \(t\)-\(J\) model constructed from the generators of the supersymmetric Hubbard algebra

DOI10.1023/A:1016087227499zbMath0996.81040OpenAlexW70197891MaRDI QIDQ1612698

O. P. Zandron, O. S. Zandron, Carlos E. Repetto, Adriana Foussats

Publication date: 26 August 2002

Published in: International Journal of Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1016087227499

zbMATH Keywords

Lagrangian formalismHubbard operators\(t\)-\(J\) modelpath-integral formalism\(N\)-fold-degenerate correlated bandsFeynman diagrammaticsrenormalized ferromagnetic magnon propagatorsecond-class constrained systemsspin-polaron theories

Mathematics Subject Classification ID

Model quantum field theories (81T10) Supersymmetric field theories in quantum mechanics (81T60) Feynman diagrams (81T18) Path integrals in quantum mechanics (81S40) Statistical mechanics of ferroelectrics (82D45) Constrained dynamics, Dirac's theory of constraints (70H45)

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