Spin-spin interaction and magnetic state of 2-D Wigner crystal

Details Spin-spin interaction and magnetic state of 2-D Wigner crystal Spin-spin interaction and magnetic state of 2-D Wigner crystal

1998-07-14

arxiv.org/abs/cond-mat/9807195v1

Physics

Condensed Matter

Strongly Correlated Electrons

RevTeX, 9 pages, 4 figures, Submitted to Phys. Rev. B

Scientific paper

It is demonstrated that there is anti-ferromagnetic spin-spin interaction between nearest electrons in the 2D Wigner crystal. This is also valid for the Wigner liquid - the state with destroyed long-range order but preserved short-range one. We calculate the value of the anti-ferromagnetic interaction (both analytically and numerically) and discuss a possible magnetic state of the Wigner crystal. This state can be strongly influenced by the spin-Peierls mechanism.

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