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cond-mat1994★ 20 cited
The Phase Diagram of Correlated Electrons in a Lattice of Berry Molecules
Giuseppe Santoro, Marco Airoldi, Nicola Manini +2
A model for correlated electrons in a lattice with local additional spin--1 degrees of freedom inducing constrained hopping, is studied both in the low density limit and at quarter…
cond-mat1994★ 5 cited
Disordered Flat Phase in a Solid on Solid Model of Fcc(110) Surfaces and Dimer States in Quantum Spin-1/2 Chains
Giuseppe Santoro, Michele Fabrizio
We present a restricted solid on solid hamiltonian for fcc (110) surfaces. It is the simplest generalization of the exactly solvable BCSOS model which is able to describe a $(2\tim…