Spin-spin interaction and magnetic state of a two-dimensional Wigner crystal

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Abstract
It is demonstrated that there is antiferromagnetic spin-spin interaction between nearest electrons in the two-dimensional Wigner crystal. This is also valid for the Wigner liquid—the state with destroyed long-range order but preserved short-range order. We calculate the value of the antiferromagnetic 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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Author(s)
Ponomarev, Ilya
Flambaum, Victor
Sushkov, Oleg
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Publication Year
1999
Resource Type
Journal Article
Degree Type
UNSW Faculty