Low temperature properties of one-dimensional SU(4) Hubbard-like model at low concentration

Details Low temperature properties of one-dimensional SU(4) Hubbard-like model at low concentration Low temperature properties of one-dimensional SU(4) Hubbard-like model at low concentration

2001-11-20

arxiv.org/abs/cond-mat/0111360v1

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages

Scientific paper

On the basis of Bethe ansatz solution of one dimensional SU(4) Hubbard-like model, we study its thermodynamics properties by means of Yang-Yang thermodynamics Bethe ansatz. The Land\'e $g$ factor is taken into account so as to describe electrons with orbital degeneracy. The free energy at low temperature is given and the specific heat both in strong coupling and weak coupling limits are obtained.

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