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Edelstein, J.D.; Garbarz, A.; Mišković, O.; Zanelli, J. "Naked singularities, topological defects and brane couplings" (2011) International Journal of Modern Physics D. 20(5):839-849
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Abstract:

A conical defect in 2 + 1 anti-de Sitter space is a BTZ solution with a negative mass parameter. This is a naked singularity, but a rather harmless one: it is a point particle. Naturally, the energy density and the spacetime curvature have a δ-like singularity at the conical defect, but that does not give rise to any unphysical situations. Since the conical solution implies the presence of a source, applying reverse enginnering, one can identify the coupling term that is required in the action to account for that source. In that way, a relation is established between the identification operation that gives rise to the topological defect and the interaction term in the action that produces it. This idea has a natural extension to higher dimensions, where instead of a point particle (zero-brane) one finds membranes of even spatial dimensions (p-branes, with p = 2n). The generalization to other abelian and nonabelian gauge theories including (super-) gravities is fairly straightforward: the 2n-brane couples to a (2n + 1) ChernSimons form. The construction suggests a generic role for ChernSimons forms as the natural way to couple a gauge connection to a brane and avoids the inconsistency that results from the minimal coupling between a brane and a fundamental p-form field. © 2011 World Scientific Publishing Company.

Registro:

Documento: Artículo
Título:Naked singularities, topological defects and brane couplings
Autor:Edelstein, J.D.; Garbarz, A.; Mišković, O.; Zanelli, J.
Filiación:Department of Particle Physics, IGFAE, University of Santiago de Compostela, E-15782 Santiago de Compostela, Spain
Centro de Estudios Científicos (CECS), Casilla 1469, Valdivia, Chile
Departamento de Física, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 1, 1428, Buenos Aires, Argentina
Instituto de Física, Pontificia Universidad Católica de Valparaíso, Casilla 4059, Valparaíso, Chile
Palabras clave:brane couplings; Naked singularities; topological defects
Año:2011
Volumen:20
Número:5
Página de inicio:839
Página de fin:849
DOI: http://dx.doi.org/10.1142/S0218271811019177
Título revista:International Journal of Modern Physics D
Título revista abreviado:Int. J. Mod. Phys. D
ISSN:02182718
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02182718_v20_n5_p839_Edelstein

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Citas:

---------- APA ----------
Edelstein, J.D., Garbarz, A., Mišković, O. & Zanelli, J. (2011) . Naked singularities, topological defects and brane couplings. International Journal of Modern Physics D, 20(5), 839-849.
http://dx.doi.org/10.1142/S0218271811019177
---------- CHICAGO ----------
Edelstein, J.D., Garbarz, A., Mišković, O., Zanelli, J. "Naked singularities, topological defects and brane couplings" . International Journal of Modern Physics D 20, no. 5 (2011) : 839-849.
http://dx.doi.org/10.1142/S0218271811019177
---------- MLA ----------
Edelstein, J.D., Garbarz, A., Mišković, O., Zanelli, J. "Naked singularities, topological defects and brane couplings" . International Journal of Modern Physics D, vol. 20, no. 5, 2011, pp. 839-849.
http://dx.doi.org/10.1142/S0218271811019177
---------- VANCOUVER ----------
Edelstein, J.D., Garbarz, A., Mišković, O., Zanelli, J. Naked singularities, topological defects and brane couplings. Int. J. Mod. Phys. D. 2011;20(5):839-849.
http://dx.doi.org/10.1142/S0218271811019177