Metallic stripe in two dimensions: stability and spin-charge separation

Details Metallic stripe in two dimensions: stability and spin-charge separation Metallic stripe in two dimensions: stability and spin-charge separation

1999-09-08

arxiv.org/abs/cond-mat/9909128v2

Phys. Rev. Lett. 84, 4922 (2000)

Physics

Condensed Matter

Strongly Correlated Electrons

5 pages, 3 figures, RevTeX, version accepted for publication

Scientific paper

10.1103/PhysRevLett.84.4922

The problems of charge stripe formation, spin-charge separation, and stability of the antiphase domain wall (ADW) associated with a stripe are addressed using an analytical approach to the t-J_z model. We show that a metallic stripe together with its ADW is the ground state of the problem in the low doping regime. The stripe is described as a system of spinons and magnetically confined holons strongly coupled to the two dimensional (2D) spin environment with holon-spin-polaron elementary excitations filling a one-dimensional band.

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