Existence of global strings coupled to gravity | Zendy

G. W. Gibbons | Zendy; Miguel Ortiz | Zendy; F. Ruiz Ruiz | Zendy

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Existence of global strings coupled to gravity

Author(s) -

G. W. Gibbons,

Miguel Ortiz,

F. Ruiz Ruiz

Publication year - 1989

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.39.1546

Subject(s) - physics , string (physics) , sigma , symmetry (geometry) , theoretical physics , mathematical physics , cylinder , classical mechanics , pure mathematics , quantum mechanics , mathematics , geometry

We consider σ-model strings and U(1) global strings coupled to gravity and look for static solutions with whole cylinder symmetry. We prove that in both cases there are no regular spatially compact solutions. The U(1) global string admits no asymptotically well-behaved solutions, whereas cr model strings can be constructed under certain assumptions. Finally we present somesingular solutions and show that one of the corresponds to a physical global string

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