共 50 条
[44]
Density Matrix of a Finite Sub-chain of the Heisenberg Anti-ferromagnet
[J].
Letters in Mathematical Physics,
2006, 75
:201-208
[49]
FIRST-ORDER GREENS-FUNCTION THEORY OF HEISENBERG FERROMAGNET
[J].
PHYSICAL REVIEW,
1966, 143 (01)
:236-&