Gravitating multidefects from higher dimensions | Zendy

Massimo Giovannini | Zendy

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Gravitating multidefects from higher dimensions

Author(s) -

Massimo Giovannini

Publication year - 2007

Publication title -

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

Language(s) - English

Resource type - Journals

eISSN - 1550-7998

pISSN - 1550-2368

DOI - 10.1103/physrevd.75.064023

Subject(s) - physics , curvature , soliton , action (physics) , einstein , space (punctuation) , hilbert space , spacetime , gravitation , gaussian curvature , topology (electrical circuits) , planar , theoretical physics , euler's formula , classical mechanics , mathematical physics , geometry , mathematical analysis , mathematics , quantum mechanics , nonlinear system , computer science , computer graphics (images) , combinatorics , operating system

Warped configurations admitting pairs of gravitating defects are analyzed.After devising a general method for the construction of multidefects, specificexamples are presented in the case of higher-dimensional Einstein-Hilbertgravity. The obtained profiles describe diverse physical situations such as(topological) kink-antikink systems, pairs of non-topological solitons andbound configurations of a kink and of a non-topological soliton. In all thementioned cases the geometry is always well behaved (all relevant curvatureinvariants are regular) and tends to five-dimensional anti-de Sitter space-timefor large asymptotic values of the bulk coordinate. Particular classes ofsolutions can be generalized to the framework where the gravity part of theaction includes, as a correction, the Euler-Gauss-Bonnet combination. Afterscrutinizing the structure of the zero modes, the obtained results are comparedwith conventional gravitating configurations containing a single topologicaldefect.Comment: 27 pages, 5 included figure

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