Free fermion branches in some quantum spin models
2003 ◽
Vol 36
(10)
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pp. 2381-2397
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2002 ◽
Vol 35
(32)
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pp. 6767-6787
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1997 ◽
Vol 66
(10)
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pp. 3231-3236
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1993 ◽
Vol 07
(27)
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pp. 1747-1759
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Keyword(s):
Keyword(s):
2009 ◽
Vol 812
(3)
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pp. 402-423
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1991 ◽
Vol 27
(4)
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pp. 657-679
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Keyword(s):