Finite-Temperature Phase Transition in the Montorsi-Rasetti Model

K. Michielsen, H. De Raedt, T. Schneider, Pedro de Vries

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Abstract

Exact diagonalization and quantum Monte Carlo methods are used to compute the specific heat and the charge and spin correlation functions for a two-dimensional system of correlated electrons, described by the Montorsi-Rasetti model. Our results strongly suggest the occurrence of an unusual phase transition at finite temperatures.

Original languageEnglish
Pages (from-to)599-604
Number of pages6
JournalEurophysics Letters
Volume25
Issue number8
DOIs
Publication statusPublished - 10-Mar-1994

Keywords

  • BOND-CHARGE REPULSION
  • METAL-INSULATOR TRANSITIONS
  • EXTENDED HUBBARD-MODEL
  • ELECTRON MODEL

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