Four-loop singularities of the massless fermion propagator in quenched three-dimensional QED
Four-loop singularities of the massless fermion propagator in quenched three-dimensional QED
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Ithaca: Cornell University Library, arXiv.org
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English
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Ithaca: Cornell University Library, arXiv.org
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We calculate the three- and four-loop corrections to the massless fermion propagator in three-dimensional quenched Quantum Electrodynamics with four-component fermions. The three-loop correction is finite and gauge invariant but the four-loop one has singularities except in the Feynman gauge where it is also finite. Our results explicitly show that...
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Full title
Four-loop singularities of the massless fermion propagator in quenched three-dimensional QED
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TN_cdi_proquest_journals_2436697256
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_journals_2436697256
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E-ISSN
2331-8422
DOI
10.48550/arxiv.2008.09400
