Stability of Inhomogeneous Superstructures from Renormalized Mean-field Theory of the t--J Model

Details Stability of Inhomogeneous Superstructures from Renormalized Mean-field Theory of the t--J Model Stability of Inhomogeneous Superstructures from Renormalized Mean-field Theory of the t--J Model

2005-03-10

arxiv.org/abs/cond-mat/0503249v2

Phys. Rev. B 72, 060508 (R) (2005)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages

Scientific paper

10.1103/PhysRevB.72.060508

Using the t--J model (which can also include Coulomb repulsion) and the ``plain vanilla'' renormalized mean-field theory of Zhang et al. (1988), stability of inhomogeneous 4a x 4a superstructures as those observed in cuprates superconductors around hole doping 1/8 is investigated. We find a non-uniform 4a x 4a bond order wave involving simultaneously small (~ 10^-2 t) inhomogeneous staggered plaquette currents as well as a small charge density modulation similar to pair density wave order. On the other hand, no supersolid phase involving a decoupling in the superconducting particle-particle channel is found.

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