Nonequilibrium Green-function theory of quantum-optical correlations

1996 ◽  
Vol 53 (5) ◽  
pp. 3497-3513 ◽  
Author(s):  
C. J. Mertens ◽  
T. A. B. Kennedy
Keyword(s):  
Green Function ◽  
Function Theory ◽  
Nonequilibrium Green Function ◽  
Quantum Optical

HOLE–SPIN COUPLING AND SPIN DISTORTION IN HIGH Tc SUPERCONDUCTORS

1995 ◽  
Vol 09 (24) ◽  
pp. 1589-1594
Author(s):  
M. TIWARI ◽  
R. A. SINGH
Keyword(s):  
Correlation Function ◽  
Green Function ◽  
Low Temperature ◽  
Function Theory ◽  
Expansion Method ◽  
Temperature Series ◽  
Spin Coupling ◽  
High Tc Superconductors ◽  
High Tc ◽  
Series Expansion Method

The effect of hole–spin coupling together with spin distortion on the energy and hole correlation function have been studied in detail. Standard Green function theory and Low Temperature Series Expansion method have been utilised to get analytical results.

Green function theory of virtual surface states

1980 ◽  
Vol 13 (7) ◽  
pp. 1351-1359 ◽  
Author(s):  
S G Davison ◽  
H Ueba ◽  
R J Jerrard
Keyword(s):  
Green Function ◽  
Function Theory ◽  
Surface States

Green function theory of a Heisenberg antiferromagnet

1980 ◽  
Vol 13 (25) ◽  
pp. 4735-4742 ◽  
Author(s):  
R Brahmachari ◽  
S B Bhattacharjee
Keyword(s):  
Green Function ◽  
Function Theory ◽  
Heisenberg Antiferromagnet
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