共 32 条
[2]
BEREZIN FA, 1966, METHOD 2ND QUANTIZAT
[4]
SINGLE-PARTICLE EXCITATIONS IN MAGNETIC INSULATORS
[J].
PHYSICAL REVIEW B-SOLID STATE,
1970, 2 (05)
:1324-+
[5]
BULAEVSKII LN, 1967, ZH EKSP TEOR FIZ, V25, P1067
[10]
EMERY VJ, 1987, PHYS REV LETT, V58, P279