Two-Dimensional Superconducting Fluctuations in Stripe-Ordered La(1.875)Ba(0.125)CuO(4)

Abstract

Recent spectroscopic observations of a d-wave-like gap in stripe-ordered La(2-x)Ba(x)CuO(4) with x=1/8 have led us to critically analyze the anisotropic transport and magnetization properties of this material. The data suggest that concomitant with the spin ordering is an electronic decoupling of the CuO(2) planes. We observe a transition (or crossover) to a state of two-dimensional (2D) fluctuating superconductivity, which eventually reaches a 2D superconducting state below a Berezinskii-Kosterlitz-Thouless transition. Thus, it appears that the stripe order in La(2-x)Ba(x)CuO(4) frustrates three-dimensional superconducting phase order, but is fully compatible with 2D superconductivity and an enhanced T_c.

4 pages, 5 figures; final version, with minor revisions, accepted in PRL

References in corpus (1)

• The Ground State of the Pseudogap in Cuprate Superconductors

Cited by in corpus (6)

• Dynamical layer decoupling in a stripe-ordered, high T_c superconductor
• Unidirectional d-wave superconducting domains in the two-dimensional t-J model
• Stability of nodal quasi-particles in superconductors with coexisting orders
• Magnetic ordering in the striped nickelate La5/3Sr1/3NiO4: A band structure point of view
• Electronic properties of disordered valence-bond stripes in cuprate superconductors
• Fermi momentum resolved charge order for spin disordered stripes