On the stability of hole crystals in layered cuprates


Recent STM measurements have revealed the existence of periodic charge modulations at the surface of certain cuprate superconductors. Here we show that the observed patterns are compatible with the formation of a three-dimensional crystal of doped holes, with space correlations extending between different Cu-O layers. This puts severe constraints on the dynamical stability of the crystallised hole structure, resulting in a close relationship between the periodicity of the electronic modulation and the interlayer distance. Copyright Springer-Verlag Berlin/Heidelberg 2004

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Research Papers in Economics

Last time updated on 06/07/2012

This paper was published in Research Papers in Economics.

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