Perturbation theory and the exchange interaction in the one-dimensional Hubbard model
1981 ◽
Vol 46
(1)
◽
pp. 88-92
◽
Keyword(s):
2005 ◽
Vol 2005
(08)
◽
pp. P08009-P08009
◽
1990 ◽
Vol 31
(6)
◽
pp. 1544-1550
◽
Keyword(s):