Localization of Gauge Fields and Monopole Tunnelling

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dc.creatorDvali, G.
dc.creatorNielsen, H. B.
dc.creatorTetradis, N.
dc.date2007-10-26
dc.date2008-02-28
dc.date.accessioned2026-07-07T11:12:39Z
dc.date.available2026-07-07T11:12:39Z
dc.descriptionWe study the dynamical localization of a massless gauge field on a lower-dimensional surface (2-brane). In flat space, the necessary and sufficient condition for this phenomenon is the existence of confinement in the bulk. The resulting configuration is equivalent to a dual Josephson junction. This duality leads to an interesting puzzle, as it implies that a localized massless theory, even in the Abelian case, must become confining at exponentially large distances. Through the use of topological arguments we clarify the physics behind this large-distance confinement and identify the instantons of the brane world-volume theory that are responsible for its appearance. We show that they correspond to the (condensed) bulk magnetic charges (monopoles), that occasionally tunnel through the brane and induce weak confinement of the brane theory. We consider the possible generalization of this effect to higher dimensions and discuss phenomenological bounds on the confinement of electric charges at exponentially large distances within our Universe.
dc.description11 pages, 3 figures, improvements in the presentation, version to appear in Physical Review D
dc.identifierhttps://arxiv.org/abs/0710.5051
dc.identifierhttp://arxiv.org/abs/0710.5051
dc.identifierPhys.Rev.D77:085005,2008
dc.identifierdoi:10.1103/PhysRevD.77.085005
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/191450
dc.subjectHigh Energy Physics - Theory
dc.subjectHigh Energy Physics - Phenomenology
dc.titleLocalization of Gauge Fields and Monopole Tunnelling
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