Polaron in the t-J Models with Three-Site Terms: the SU(2) and the Ising Cases

Details Polaron in the t-J Models with Three-Site Terms: the SU(2) and the Ising Cases Polaron in the t-J Models with Three-Site Terms: the SU(2) and the Ising Cases

2009-01-07

arxiv.org/abs/0901.0878v1

Lectures on the Physics of Strongly Correlated Systems XII, eds. A. Avella and F. Mancini, AIP Conference Proceedings Vol. 101

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 2 figures

Scientific paper

10.1063/1.2940444

We compare the role of the three-site terms added to the t-J models in the SU(2) and the Ising cases in the extremely low doping regime, i.e. when a single hole added to the strongly interacting half-filled system becomes a polaron. We show that in the realistic Ising case the three-site terms play a vital role in the polaron movement and should never be neglected unlike in the SU(2) case.

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