Charge density wave in the spin ladder of Sr14-xCaxCu24O41

We consider a multiband charge transfer model for a single spin ladder describing the holes in Sr14-xCaxCu24O41. Using Hartree-Fock approximation we show how the charge density wave, with its periodicity dependent on doping as recently observed in the experiment, can be stabilized by purely electron...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2007-09, Vol.460-462 (2), p.1043-1044
Main Authors: WOHLFELD, Krzysztof, OLES, Andrzej M, SAWATZKY, George A
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic structure
Exact sciences and technology
Physics
Properties of type I and type II superconductors
Superconductivity
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Summary:We consider a multiband charge transfer model for a single spin ladder describing the holes in Sr14-xCaxCu24O41. Using Hartree-Fock approximation we show how the charge density wave, with its periodicity dependent on doping as recently observed in the experiment, can be stabilized by purely electronic many-body interactions.
ISSN:0921-4534
1873-2143
DOI:10.1016/j.physc.2007.03.267