On effective Kähler potential in N=2, d=3 SQED

On effective Kähler potential in N=2, d=3 SQED

Dades bibliogràfiques
Parent link:	Physics Letters B.— , 1967- Vol. 900.— 2015.— [P. 80-103]
Autor principal:	Bukhbinder I. L. Iosif Lvovich
Autor corporatiu:	Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра высшей математики и математической физики (ВММФ)
Altres autors:	Merzlikin B. S. Boris Sergeevich
Sumari:	Title screen We compute the two-loop effective Kдhler potential in three-dimensional N=2 supersymmetric electrodynamics with Chern–Simons kinetic term for the gauge superfield. The effective action is constructed on the base of background field method with one parametric family of gauges. In such an approach, the quadratic part of quantum action mixes the gauge and matter quantum superfields yielding the complications in the computations of the loop supergraphs. To avoid this obstacle and preserve dependence on the gauge parameter we make a non-local change of quantum matter superfields after which the propagator is diagonalized, however the new vertices have appeared. We fix the suitable background and develop the efficient procedure of calculating the two-loop supergraphs with the new vertices. We compute the divergent and finite parts of the superfield effective action, find the two-loop effective Kдhler potential and show that it does not depend on the gauge parameter. Режим доступа: по договору с организацией-держателем ресурса
Idioma:	anglès
Publicat:	2015
Matèries:	электронный ресурс труды учёных ТПУ
Accés en línia:	http://dx.doi.org/10.1016/j.nuclphysb.2015.09.002
Format:	Electrònic Capítol de llibre
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=643812

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