Charge density wave in the spin ladder of Sr$_{14-x}$Ca$_x$Cu$_{24}$O$_{41}$

Andrzej M. Oles; George A. Sawatzky; Krzysztof Wohlfeld

arxiv: cond-mat/0612669 · v1 · submitted 2006-12-28 · ❄️ cond-mat.str-el · cond-mat.supr-con

Charge density wave in the spin ladder of Sr_(14-x)Ca_xCu₂₄O₄₁

Krzysztof Wohlfeld , Andrzej M. Oles , George A. Sawatzky This is my paper

classification ❄️ cond-mat.str-el cond-mat.supr-con

keywords chargedensityladderspinwaveapproximationconsiderdependent

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We consider a multiband charge transfer model for a single spin ladder describing the holes in Sr$_{14-x}$Ca$_x$Cu$_{24}$O$_{41}$. 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.

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Charge density wave in the spin ladder of Sr_(14-x)Ca_xCu₂₄O₄₁

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