Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2006-09-18
Physica C 460-462, 1049 (2007)
Physics
Condensed Matter
Strongly Correlated Electrons
2 pages, 1 figure
Scientific paper
10.1016/j.physc.2007.03.266
Using the mean field theory in the slave-boson approach we analyzed the
electron correlation effects in the stripe phases. One finds that a finite
next-nearest neighbor hopping $t'$ plays an important role in the low doping
regime, where it controls the crossover from the filled diagonal to half-filled
vertical/horizontal stripes at doping $ x\simeq 1/16$.
Fresard Raymond
Oles' Andrzej M.
Raczkowski Marcin
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