Strong-coupling expansions and phase diagrams for the O(2), O(3), and O(4) Heisenberg spin systems in two dimensions
Keyword(s):
1978 ◽
Vol 41
(20)
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pp. 1337-1340
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1994 ◽
Vol 6
(43)
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pp. 9235-9245
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2001 ◽
Vol 34
(13)
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pp. 2839-2858
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1989 ◽
Vol 63
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pp. 322-325
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2019 ◽
Vol 31
(9)
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pp. 095802
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2002 ◽
Vol 35
(31)
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pp. 6545-6555
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