On the stability of hole crystals in layered cuprates

Details On the stability of hole crystals in layered cuprates On the stability of hole crystals in layered cuprates

2004-06-04

arxiv.org/abs/cond-mat/0406105v2

Physics

Condensed Matter

Superconductivity

completed reference list, fig. 3 corrected; accepted for publication in Eur. Phys. J. B, Rapid Notes

Scientific paper

10.1140/epjb/e2004-00385-4

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.

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