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Local edge modes in doped cuprates with checkerboard polaronic heterogeneity

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arxiv cond-mat/0406042 v2 pith:LLQARVDR submitted 2004-06-02 cond-mat.str-el

Eiji Kaneshita , Ivar Martin , Alan R. Bishop This is my paper · ORCID
classification cond-mat.str-el
keywords cupratesheterogeneitymodelpolaronicapplyingapproximationbeencheckerboard
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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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