scholarly journals A Way out of a Formal Difficulty Encountered in the Landau-Gauge Quantum Electrodynamics

1974 ◽  
Vol 51 (3) ◽  
pp. 952-953 ◽  
Author(s):  
N. Nakanishi
Keyword(s):  
Quantum Electrodynamics ◽  
Landau Gauge

QUANTUM ELECTRODYNAMICS AT $O\left( {{1 \mathord{\left/ {\vphantom {1 {N_f^2 }}} \right. \kern-\nulldelimiterspace} {N_f^2 }}} \right)$ IN ARBITRARY DIMENSIONS

1992 ◽  
Vol 07 (21) ◽  
pp. 1945-1951 ◽  
Author(s):  
JA. GRACEY
Keyword(s):  
Critical Exponent ◽  
Quantum Electrodynamics ◽  
Anomalous Dimension ◽  
Landau Gauge ◽  
Large N ◽  
Analytic Expression ◽  
Arbitrary Dimensions

We give an analytic expression for the critical exponent η, which is related to the electron anomalous dimension, at [Formula: see text] in the large-Nf expansion in arbitrary dimensions in the Landau gauge.

Energy, Information, and Superluminal Speed in Quantum Electrodynamics

2020 ◽  
pp. 27-33
Author(s):  
Boris A. Veklenko
Keyword(s):  
Electromagnetic Field ◽  
Perturbation Theory ◽  
Quantum Electrodynamics ◽  
Excited Atom ◽  
Standard Quantum ◽  
Energy Information

Without using the perturbation theory, the article demonstrates a possibility of superluminal information-carrying signals in standard quantum electrodynamics using the example of scattering of quantum electromagnetic field by an excited atom.

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