Local edge modes in doped cuprates with checkerboard polaronic heterogeneity

Details Local edge modes in doped cuprates with checkerboard polaronic heterogeneity Local edge modes in doped cuprates with checkerboard polaronic heterogeneity

2004-06-02

arxiv.org/abs/cond-mat/0406042v2

J. Phys. Soc. Jpn., Vol. 73 (2004) 3223.

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1143/JPSJ.73.3223

We study a periodic polaronic system, which exhibits a nanoscale superlattice structure, as a model for hole-doped cuprates with checkerboard-like heterogeneity, as has been observed recently by scanning tunneling microscopy (STM). Within this model, the electronic and phononic excitations are investigated by applying an unrestricted Hartree-Fock and a random phase approximation (RPA) to a multiband Peierls-Hubbard Hamiltonian in two dimensions.

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