Current Renormalization in Finite Volume

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dc.creatorHu, Jie
dc.creatorJiang, Fu-Jiun
dc.creatorTiburzi, Brian C.
dc.date2007-06-22
dc.date2007-07-24
dc.date.accessioned2026-07-07T11:41:20Z
dc.date.available2026-07-07T11:41:20Z
dc.descriptionFor finite volume field theories with discrete translational invariance, conserved currents can be additively renormalized by infrared effects. We demonstrate this for pions using chiral perturbation theory coupled to electromagnetism in a periodic box. Gauge invariant single particle effective theories are constructed to explain these results. In such theories, current renormalization arises from operators involving the zero mode of the gauge field. No contradictions with Ward identities, or low-energy theorems are encountered.
dc.description15pp., 4 figs, wording and discussion improved
dc.identifierhttps://arxiv.org/abs/0706.3408
dc.identifierhttp://arxiv.org/abs/0706.3408
dc.identifierPhys.Lett.B653:350-357,2007
dc.identifierdoi:10.1016/j.physletb.2007.07.060
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/200500
dc.subjectHigh Energy Physics - Lattice
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleCurrent Renormalization in Finite Volume
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