Valence-bond-solid phases and quantum phase transitions in two-dimensional spin models with four-site interactions
Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):
Keyword(s):
1998 ◽
Vol 10
(43)
◽
pp. 9783-9789
◽
2012 ◽
Vol 109
(7)
◽
pp. 2286-2289
◽
2015 ◽
Vol 112
(4)
◽
pp. 47002
◽
Keyword(s):