Phase diagram of the Heisenberg spin ladder with ring exchange
1997 ◽
Vol 9
(14)
◽
pp. 3055-3063
Keyword(s):
2000 ◽
Vol 284-288
◽
pp. 1599-1600
◽
1996 ◽
Vol 29
(13)
◽
pp. 3559-3579
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2005 ◽
Vol 66
(8-9)
◽
pp. 1450-1453
◽