On the infrared singularities of green's functions in quantum electrodynamics

1975 ◽  
Vol 89 (1) ◽  
pp. 258
Keyword(s):  
Quantum Electrodynamics ◽  
Green's Functions ◽  
Green’S Functions ◽  
Infrared Singularities

INFRARED SINGULARITIES OF GLUON GREEN'S FUNCTIONS AND THE QUASIPOTENTIAL OF A TWO-QUARK INTERACTION IN QUANTUM CHROMODYNAMICS

1992 ◽  
Vol 07 (04) ◽  
pp. 683-708
Author(s):  
A. A. ARKHIPOV
Keyword(s):  
Quantum Chromodynamics ◽  
Green's Functions ◽  
Green’S Functions ◽  
Quark Interaction ◽  
Infrared Singularities

The influence of infrared singularities of gluon Green's functions on the character of two-quark forces in QCD is investigated.

scholarly journals AXIAL ANOMALY THROUGH ANALYTIC REGULARIZATION

1999 ◽  
Vol 14 (03) ◽  
pp. 177-183 ◽  
Author(s):  
L. A. MANZONI ◽  
B. M. PIMENTEL ◽  
J. L. TOMAZELLI
Keyword(s):  
Quantum Electrodynamics ◽  
Vacuum Polarization ◽  
Green's Functions ◽  
Green’S Functions ◽  
Gauge Invariant ◽  
Axial Anomaly ◽  
Analytic Regularization ◽  
Correct Implementation

In this work we consider the two-point Green's functions in (1+1)-dimensional quantum electrodynamics and show that the correct implementation of analytic regularization gives a gauge invariant result for the vacuum polarization amplitude and the correct coefficient for the axial anomaly.

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