Application of the method of double-time Green's functions in the theory of migration

1973 ◽  
Vol 14 (2) ◽  
pp. 175-186
Author(s):  
Yu. A. Kashlev
Keyword(s):  
Green's Functions ◽  
Green’S Functions ◽  
Double Time

SOME REMARKS ON THE EQUATION OF MOTION METHOD FOR THE GREEN’S FUNCTION CALCULATIONS

1991 ◽  
Vol 05 (15) ◽  
pp. 2515-2529
Author(s):  
R. TARANKO
Keyword(s):  
Green's Function ◽  
Projection Operator ◽  
Continued Fractions ◽  
Green's Functions ◽  
Green’S Functions ◽  
Equation Of Motion ◽  
Operator Technique ◽  
Projection Operator Technique ◽  
Double Time ◽  
Motion Method

The retarded, double-time Green’s Functions are studied using different modifications of the projection operator technique. It is shown that the results of all these approaches can be written in the form of the finite or infinite continued fractions. Moreover, they lead to the same expansions for the Green’s Functions when terminated at the same level.

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