Suppression of static stripe formation by next-neighbor hopping

Details Suppression of static stripe formation by next-neighbor hopping Suppression of static stripe formation by next-neighbor hopping

2001-09-20

arxiv.org/abs/cond-mat/0109374v1

Phys. Rev. B 65, 020509 (2002).

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 5 figures

Scientific paper

10.1103/PhysRevB.65.020509

We show from real-space Hartree-Fock calculations within the extended Hubbard model that next-nearest neighbor (t') hopping processes act to suppress the formation of static charge stripes. This result is confirmed by investigating the evolution of charge-inhomogeneous corral and stripe phases with increasing t' of both signs. We propose that large t' values in YBCO prevent static stripe formation, while anomalously small t' in LSCO provides an additional reason for the appearance of static stripes only in these systems.

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