Melting of the stripe phases in the t-t'-U Hubbard model

Details Melting of the stripe phases in the t-t'-U Hubbard model Melting of the stripe phases in the t-t'-U Hubbard model

2005-02-07

arxiv.org/abs/cond-mat/0502159v2

Physica B 359, 780 (2005)

Physics

Condensed Matter

Strongly Correlated Electrons

2 pages, 1 figure

Scientific paper

10.1016/j.physb.2005.01.225

We investigate melting of stripe phases in the overdoped regime x>0.3 of the
two-dimensional t-t'-U Hubbard model, using a spin rotation invariant form of
the slave boson representation. We show that the spin and charge order
disappear simultaneously, and discuss a mechanism stabilizing bond-centered and
site-centered stripe structures.

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