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dc.contributor.authorGarriga Torres, Jaumecat
dc.contributor.authorMontes, Xaviercat
dc.description.abstractWe show that the Z-strings of the standard electroweak theory can be stabilized by strong external magnetic fields, provided that $\beta^{1/2} \equiv M_H/M_Z\leq 1$, where $M_H$ and $M_Z$ are the Higgs and Z masses. The magnetic fields needed are larger than $\beta^{1/2} B_c$ and smaller than $B_c$, where $B_c\equiv M^2_W/e$ is the critical magnetic field which causes W-condensation in the usual broken phase vacuum. If such magnetic fields were present after the electroweak transition, they would stabilize strings for a period comparable to the inverse Hubble rate at that time. Pair creation of monopoles and antimonopoles linked by segments of string is briefly considered.-
dc.format.extent4 p.-
dc.publisherAmerican Physical Societyeng
dc.relation.isformatofReproducció digital del document proporcionada per PROLA i
dc.relation.ispartofPhysical Review Letters, 1995, vol. 75, núm. 12, p. 2268-2271cat
dc.rights(c) American Physical Society, 1995eng
dc.sourceArticles publicats en revistes (Física de la Matèria Condensada)-
dc.subject.classificationTeoria de camps (Física)cat
dc.subject.classificationModels de cordacat
dc.subject.otherGeneral theory of fields and particleseng
dc.subject.otherStellar systems; interstellar medium; galactic and extragalactic objects and systems; the Universeeng
dc.subject.otherString modelseng
dc.titleStability of Z strings in strong magnetic fieldseng
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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