Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2007-04-10
Phys. Rev. Lett. 99, 127003 (2007)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 3 figures (one with 3 subfigures); ; new edited version; one new reference (Ref.25); to be published in Physical Revi
Scientific paper
10.1103/PhysRevLett.99.127003
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.
Berg Erez
Fradkin Eduardo
Kim Eun-Ah
Kivelson Steven A.
Oganesyan Vadim
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