Superconductivity in a Quasi One Dimensional Spin Liquid

Abstract

The single rung t-J ladder is analyzed in a mean field theory using Gutzwiller renormalization of the matrix elements to account for strong correlation. The spin liquid (RVB) state at half-filling evolves into a superconducting state upon doping. The order parameter has a modified d-wave character. A lattice of weakly coupled ladders should show a superconducting phase transition.

9 pages + 4 postscript files appended

References in corpus (1)

• Spin-ladders with spin gaps: A description of a class of cuprates

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