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Naser Ahmadiniaz
초강력 레이저과학 연구단
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MULTIPHOTON AMPLITUDES AND GENERALIZED LKF TRANSFORMATION IN SCALAR QED USING THE WORLDLINE FORMALISM

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Title
MULTIPHOTON AMPLITUDES AND GENERALIZED LKF TRANSFORMATION IN SCALAR QED USING THE WORLDLINE FORMALISM
Author(s)
Naser Ahmadiniaz; Bashir, A; Schubert, C
Publication Date
2017-03
Journal
RUSSIAN PHYSICS JOURNAL, v.59, no.11, pp.1752 - 1760
Publisher
SPRINGER
Abstract
We apply the worldline formalism to scalar quantum electrodynamics (QED) to find a Bern-Kosower type master formula for generalized Compton scattering, on-shell and off-shell. Moreover, we use it to study the non-perturbative gauge parameter dependence of amplitudes in scalar QED and, as our main result, find a simple non-perturbative transformation rule under changes of this parameter in x-space in terms of conformal cross ratios. This generalizes the well-known Landau-Khalatnikov-Fradkin transformation (LKFT). We also exemplify how this generilized LKFT works in perturbation theory ⓒ2017 Springer Science+Business Media New York
URI
https://pr.ibs.re.kr/handle/8788114/3445
ISSN
1064-8887
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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