Spectral density method applied to the study of the energy spectrum of the XY model in a transverse field

1986 ◽  
Vol 135 (2) ◽  
pp. 581-586 ◽  
Author(s):  
L. A. B. Bernardes ◽  
O. N. Borges ◽  
L. A. Amarante Ribeiro
Keyword(s):  
Energy Spectrum ◽  
Spectral Density ◽  
Transverse Field ◽  
Xy Model ◽  
Density Method ◽  
Spectral Density Method

Spectral density method to Anderson-Holstein model

2015 ◽  
Author(s):  
Narasimha Raju Chebrolu ◽  
Ashok Chatterjee
Keyword(s):  
Spectral Density ◽  
Density Method ◽  
Holstein Model ◽  
Spectral Density Method

Spectral-density method for classical systems: Heisenberg ferromagnet

1984 ◽  
Vol 30 (5) ◽  
pp. 2769-2775 ◽  
Author(s):  
L. S. Campana ◽  
A. Caramico D'Auria ◽  
M. D'Ambrosio ◽  
U. Esposito ◽  
L. De Cesare ◽  
...  
Keyword(s):  
Spectral Density ◽  
Heisenberg Ferromagnet ◽  
Classical Systems ◽  
Density Method ◽  
Spectral Density Method
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