Partition Function and Density Matrix Path Integral Representation

2021 ◽  
pp. 199-218
Author(s):  
Lukong Cornelius Fai
Keyword(s):  
Partition Function ◽  
Integral Representation ◽  
Density Matrix ◽  
Path Integral ◽  
Path Integral Representation

ANOTHER DERIVATION OF A SUPERPARTICLE ACTION

1991 ◽  
Vol 06 (21) ◽  
pp. 1977-1982 ◽  
Author(s):  
E. S. FRADKIN ◽  
SH. M. SHVARTSMAN
Keyword(s):  
Green Function ◽  
Integral Representation ◽  
Path Integral ◽  
Path Integral Representation ◽  
Chiral Superfield

It is shown that the reparametrization invariant superparticle action can be determined by constructing the path-integral representation for the causal Green function of a chiral superfield interacting with an external Maxwell superfield.

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