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- Center for Excellence in Basic SciencesIN83 papers
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10 papers · 1 filter
Stuckelberg SUSY QED and Infrared Problem
Radhika Vinze, T. R. Govindarajan, Anuradha Misra +1
We review gauge invariant supersymmetric massive gauge theory coupled to matter and Stuckelberg superfields. We focus on the leading order self energy and ve…
Equivalence of Light-Front and Covariant Quantum Electrodynamics at One Loop Level and the form of the Gauge Boson Propagator
Deepesh Bhamre, Anuradha Misra
We consider the three fundamental one loop Feynman diagrams of QED viz. vertex correction, fermion self-energy and vacuum polarization in the light-front gauge and discuss the equi…
Equivalence of One Loop Diagrams in Covariant and Light Front QED Revisited
Deepesh Bhamre, Anuradha Misra, Vivek Kumar Singh
We revisit the proof of equivalence of one loop expressions for fermion self-energy and vertex correction in light-front QED and Covariant QED at the Feynman diagram level and gene…
Application of Coherent State Approach for the cancellation of Infrared divergences to all orders in LFQED
Jai More, Anuradha Misra
We sketch an all order proof of cancellation of infrared (IR) divergences in Light Front Quantum Electrodynamics (LFQED) using a coherent state formalism. In this talk, it has been…
Cancellation of Infrared divergences to all orders in LFQED
Jai D. More, Anuradha Misra
Coherent state approach has been proposed as an alternate way to deal with the true infrared divergences in light front field theory. We show that infrared divergences in fermion m…
Infra-red divergences in Light Front Field Theory and Coherent State Formalism
Jai D. More, Anuradha Misra
We discuss fermion self energy correction in light front QED using a coherent state basis. We show that if one uses coherent state basis instead of fock basis to calculate the tran…