NDIM achievements: massive, arbitrary tensor rank and N-loop insertions in Feynman integrals

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorSuzuki, A. T.
dc.creatorSchmidt, AGM
dc.date2014-05-20T14:07:19Z
dc.date2016-10-25T17:12:40Z
dc.date2014-05-20T14:07:19Z
dc.date2016-10-25T17:12:40Z
dc.date2000-05-19
dc.date.accessioned2017-04-05T21:41:10Z
dc.date.available2017-04-05T21:41:10Z
dc.identifierJournal of Physics A-mathematical and General. Bristol: Iop Publishing Ltd, v. 33, n. 19, p. 3713-3722, 2000.
dc.identifier0305-4470
dc.identifierhttp://hdl.handle.net/11449/23620
dc.identifierhttp://acervodigital.unesp.br/handle/11449/23620
dc.identifier10.1088/0305-4470/33/19/307
dc.identifierWOS:000087562200009
dc.identifierhttp://dx.doi.org/10.1088/0305-4470/33/19/307
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/868721
dc.descriptionOne of the main difficulties in studying quantum field theory, in the perturbative regime, is the calculation of D-dimensional Feynman integrals. In general, one introduces the so-called Feynman parameters and, associated with them, the cumbersome parametric integrals. Solving these integrals beyond the one-loop level can be a difficult task. The negative-dimensional integration method (NDIM) is a technique whereby such a problem is dramatically reduced. We present the calculation of two-loop integrals in three different cases: scalar ones with three different masses, massless with arbitrary tensor rank, with and N insertions of a two-loop diagram.
dc.languageeng
dc.publisherIop Publishing Ltd
dc.relationJournal of Physics A: Mathematical and General
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.titleNDIM achievements: massive, arbitrary tensor rank and N-loop insertions in Feynman integrals
dc.typeOtro


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