Perturbations of ground states in weakly interacting quantum spin systems
2004 ◽
Vol 45
(6)
◽
pp. 2134-2152
◽
2008 ◽
Vol 284
(2)
◽
pp. 481-507
◽
Keyword(s):
Keyword(s):
1983 ◽
Vol 119
(1-2)
◽
pp. 291-294
◽
Keyword(s):
2017 ◽
Vol 86
(5)
◽
pp. 054709
◽
1978 ◽
Vol 64
(1)
◽
pp. 41-48
◽
Keyword(s):
2006 ◽
Vol 269
(3)
◽
pp. 611-657
◽