Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2006-08-19
Phys. Rev. B 75, 094505 (2007)
Physics
Condensed Matter
Strongly Correlated Electrons
6 pages, 3 figures
Scientific paper
10.1103/PhysRevB.75.094505
We propose a new form of inhomogeneous phases consisting of out-of-phase staggered flux domains separated by diagonal charged domain walls centered on bonds or on sites. Remarkably, such domain flux phases are spin-rotationally symmetric and exhibit cone-like quasiparticle dispersion as well as incommensurate order of orbital currents. Such features are consistent with the pseudogap behavior and the diagonal stripes observed experimentally in lightly doped cuprates. A renormalized mean field theory shows that such solutions are competitive candidates within the $t$--$J$ model.
Fresard Raymond
Oles' Andrzej M.
Poilblanc Didier
Raczkowski Marcin
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