Evading divergences in quantum field theory
H.S.Sharatchandra
TL;DR
The paper presents a method to avoid divergences in quantum field theory by showing that Green functions decay faster at high momenta in a non-renormalizable model.
Contribution
It introduces a divergence-free calculation approach based on the behavior of Green functions in a specific toy model.
Findings
Green functions decay faster at high momenta
Method potentially eliminates divergences in calculations
Abstract
Explicit solution of a Green function in a non-renormalizable toy model demonstrates that Green functions of the interacting theory fall off much faster than at the tree level at large momenta. This suggests a method of calculations in quantum field theory which is free of divergences.
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Taxonomy
TopicsTheoretical and Computational Physics · Advanced Thermodynamics and Statistical Mechanics · Quantum many-body systems