Ground-state phases and quantum phase transitions in a two-dimensional spin-1/2 XY model with four-spin interactions
Keyword(s):
Xy Model
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2015 ◽
Vol 48
(4)
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pp. 045204
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1998 ◽
Vol 10
(43)
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pp. 9783-9789
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2012 ◽
Vol 109
(7)
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pp. 2286-2289
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