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arXiv · 0704.1240

Dynamical layer decoupling in a stripe-ordered, high T_c superconductor

Erez Berg·Eduardo Fradkin·Eun-Ah Kim·Steven A. Kivelson·Vadim Oganesyan·John Tranquada·Shoucheng Zhang
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Abstract

In the stripe-ordered state of a strongly-correlated two-dimensional electronic system, under a set of special circumstances, the superconducting condensate, like the magnetic order, can occur at a non-zero wave-vector corresponding to a spatial period double that of the charge order. In this case, the Josephson coupling between near neighbor planes, especially in a crystal with the special structure of La_{2-x}Ba_xCuO_4, vanishes identically. We propose that this is the underlying cause of the dynamical decoupling of the layers recently observed in transport measurements at x=1/8.

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Erez Berg, Eduardo Fradkin, Eun-Ah Kim, Steven A. Kivelson, Vadim Oganesyan, John Tranquada, Shoucheng Zhang. 2007-09-08. Dynamical layer decoupling in a stripe-ordered, high T_c superconductor. https://doi.org/10.1103/physrevlett.99.127003

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