Spin-Charge Separation in Two Dimensions - A Numerical Study

Details Spin-Charge Separation in Two Dimensions - A Numerical Study Spin-Charge Separation in Two Dimensions - A Numerical Study

1993-04-06

arxiv.org/abs/cond-mat/9304007v2

Phys. Rev. B48, 10563 (1993)

Physics

Condensed Matter

RevTeX 3.0, 10 Pages, 6 PostScript Figures (on request)

Scientific paper

10.1103/PhysRevB.48.10563

The question of spin-charge separation in two-dimensional lattices has been addressed by numerical simulations of the motion of one hole in a half-filled band. The calculations have been performed on finite clusters with Hubbard and t-J models. By comparing the time evolution of spin and charge polarisation currents in one and two dimensions, evidence in favor of spin-charge separation in two dimensions is presented. In contrast with this, spin-charge separation is absent in a highly doped, metallic, system.

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