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Naser Ahmadiniaz
초강력 레이저과학 연구단
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Dressed scalar propagator in a non-Abelian background from the worldline formalism Highly Cited Paper

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Title
Dressed scalar propagator in a non-Abelian background from the worldline formalism
Author(s)
Naser Ahmadiniaz; Bastianelli F.; Corradini O.
Publication Date
2016-01
Journal
PHYSICAL REVIEW D, v.93, no.2, pp.025035 -
Publisher
AMER PHYSICAL SOC
Abstract
We study the propagator of a colored scalar particle in the background of a non-Abelian gauge field using the worldline formalism. It is obtained by considering the open worldline of a scalar particle with extra degrees of freedom needed to take into account the color charge of the particle, which we choose to be in the fundamental representation of the gauge group. Specializing the external gauge field to be given by a sum of plane waves, i.e. a sum of external gluons, we produce a master formula for the scalar propagator with an arbitrary number of gluons directly attached to the scalar line, akin to similar formulas derived in the literature for the case of the scalar particle performing a loop. Our worldline description produces at the same time the situation in which the particle has a color charge given by an arbitrarily chosen symmetric or antisymmetric tensor product of the fundamental. © 2016 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/2398
DOI
10.1103/PhysRevD.93.025035
ISSN
2470-0010
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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