共 20 条
[3]
A PROPOSAL TO INCLUDE DAMPING EFFECTS IN THE SPECTRAL DENSITY APPROACH
[J].
JOURNAL OF PHYSICS C-SOLID STATE PHYSICS,
1983, 16 (17)
:L549-L553
[5]
SPECTRAL-DENSITY APPROACH TO THE CORRELATION-FUNCTIONS OF A LINEAR MAGNETIC MODEL
[J].
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-GENERAL PHYSICS RELATIVITY ASTRONOMY AND MATHEMATICAL PHYSICS AND METHODS,
1978, 48 (02)
:179-188
[6]
BOGOLUBOV APPROXIMATION AS A 2ND-ORDER APPROXIMATION IN THE SPECTRAL DENSITY METHOD
[J].
LETTERE AL NUOVO CIMENTO,
1979, 26 (10)
:301-306
[8]
DAURIA AC, 1981, PHYS LETT A, V85, P197, DOI 10.1016/0375-9601(81)90013-X
[9]
SPECTRAL-DENSITY APPROACH TO AN ANTIFERROMAGNETIC HEISENBERG LINEAR-CHAIN
[J].
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA B-BASIC TOPICS IN PHYSICS,
1977, 38 (01)
:116-132
[10]
BOGOLIUBOV APPROXIMATION AS A 2ND-ORDER APPROXIMATION IN THE SPECTRAL-DENSITY METHOD .2.
[J].
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS,
1980, 59 (03)
:351-371