The checkerboard modulation and the inter-layer asymmetry of the hole density in cuprates

Details The checkerboard modulation and the inter-layer asymmetry of the hole density in cuprates The checkerboard modulation and the inter-layer asymmetry of the hole density in cuprates

2003-06-27

arxiv.org/abs/cond-mat/0306698v2

Physics

Condensed Matter

Superconductivity

4 pages, 3 figures, 2 tables, poster presentation at the International Conference on 'Dynamic Inhomogenities in Complex Oxides

Scientific paper

The 2D pair-condensate is characterized by a charge ordered state with a "checkerboard" pattern in the planes and with an alternating superstructure along the c-axis.We find that Coulomb energy gain occurs along the c-axis, which is proportional to the measured condensation energy and is due to inter-layer charge complementarity (charge asymmetry of the boson condensate. The static c-axis dielectric constant and the in-plane coherence length are also calculated for various cuprates and compared with the available experimental data. We find excellent agreement .

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