Dispersion relations for the self-energy in non-commutative field theories

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dc.creatorBrandt, F. T.
dc.creatorDas, Ashok
dc.creatorFrenkel, J.
dc.date2002-06-07
dc.date.accessioned2026-07-07T11:32:03Z
dc.date.available2026-07-07T11:32:03Z
dc.descriptionWe study the IR/UV connection in non-commutative $ϕ^{3}$ theory as well as in non-commutative QED from the point of view of the dispersion relation for the self-energy. We show that, although the imaginary part of the self-energy is well behaved as the parameter of non-commutativity vanishes, the real part becomes divergent as a consequence of the high energy behavior of the dispersion integral. Some other interesting features that arise from this analysis are also briefly discussed.
dc.description10 pages
dc.identifierhttps://arxiv.org/abs/hep-th/0206058
dc.identifierhttp://arxiv.org/abs/hep-th/0206058
dc.identifierPhys.Rev.D66:065017,2002
dc.identifierdoi:10.1103/PhysRevD.66.065017
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/197468
dc.subjectHigh Energy Physics - Theory
dc.titleDispersion relations for the self-energy in non-commutative field theories
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