Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2007-10-31
J. Opt. Adv. Mat. 10,1688 (2008)
Physics
Condensed Matter
Strongly Correlated Electrons
7 pages, 9 figures
Scientific paper
We show that a system of spinless Fermi particles, localized on the sites of the Bethe lattice with coordination number z and interacting through a repulsive nearest-neighbor interaction, exhibits a phase transition to a charge-ordered state. The phase diagram in the n-T plane is derived. Relevant thermodynamic quantities, such as the free energy, the specific heat, the entropy and the compressibility are analyzed in detail.
Mancini Ferdinando
Mancini Francesco Paolo
Naddeo Adele
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