| Dynamical layer decoupling in a stripe-ordered, high T_c superconductor (2007) | |||||||||
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.. Comment: 4 pages, 3 figures (one with 3 subfigures); ; new edited version; one new reference (Ref.25); to be published in Physical Review Letters (in press) | |||||||||
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