d-wave Superconductivity, Orbital Magnetism, and Unidirectional Charge Order in the t-J Model

Details d-wave Superconductivity, Orbital Magnetism, and Unidirectional Charge Order in the t-J Model d-wave Superconductivity, Orbital Magnetism, and Unidirectional Charge Order in the t-J Model

2008-05-15

arxiv.org/abs/0805.2393v1

Acta Phys. Polon. 114, 107 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

8 pages, 4 figures

Scientific paper

Recent scanning tunneling microscopy in the superconducting regime of two different cuprate families has revealed unidirectional bond-centered modulation in the local electronic density of states. Motivated by this result we investigate the emergence of modulated d-wave superconductivity coexisting with charge domains that form along one of the crystal axes. While detailed stripe profiles depend on the used form of the Gutzwiller factors, the tendency towards a valence bond crystal remain robust. We also find closely related stripe phase originating from the staggered flux phase, a candidate for the pseudogap phase of lightly doped cuprates.

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