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Stability of Z-strings in strong magnetic fields
Garriga Torres, Jaume (Institut de Física d'Altes Energies)
Montes Aguilar, Francisco Javier (Institut de Física d'Altes Energies)
American Physical Society

Data: 1995
Resum: We show that the Z strings of the standard electroweak theory can be stabilized by strong external magnetic fields, provided that β1/2≡MH/MZ≤1, where MH and MZ are the Higgs and Z masses. The magnetic fields needed are larger than β1/2Bc and smaller than Bc, where Bc≡M2W/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.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; publishedVersion
Publicat a: Physical review letters, Vol. 75, Issue 12 (September 1995) , p. 2268-2271, ISSN 0031-9007

DOI: 10.1103/PhysRevLett.75.2268

4 p, 241.5 KB

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