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Incommensurate magnetic correlations in La2NiO4.125: Magnetic phase diagram and two-dimensional hole-order

✍ Scribed by Kazuyoshi Yamada; Tomoya Omata; Kenji Nakajima; Yasuo Endoh; Syoichi Hosoya

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
606 KB
Volume
221
Category
Article
ISSN
0921-4534

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We study the effect of mass anisotropy on the magnetic ordering of the Wigner crystal phase of low density electron systems in two dimensions at T ΒΌ 0. We apply the instanton approximation to various ring exchange processes, which includes the lowest order Gaussian fluctuations beyond the WKB approx