Functional integral and effective Hamiltonian t-J-V model of strongly correlated electron system

V. I. Belinicher, M. V. Chertkov

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The functional integral representation for the generating functional of the t-J-V model is obtained. In the case close to half-filling this functional integral representation reduces the conventional Hamiltonian of the t-J-V model to the Hamiltonian of the system containing holes and spins 1/2 at each lattice size. This effective Hamiltonian coincides with that obtained by one of the authors by a different method. This Hamiltonian and its dynamical variables can be used for a description of different magnetic phases of the t-J-V model.

Original languageEnglish (US)
Pages (from-to)231-245
Number of pages15
JournalJournal of Statistical Physics
Volume69
Issue number1-2
DOIs
StatePublished - Oct 1992
Externally publishedYes

Keywords

  • Heisenberg Hamiltonian
  • Hubbard model
  • Strongly correlated electrons
  • electron hopping Hamiltonian
  • kinematic interaction
  • superconductivity
  • t-J model

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics

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