Topologica Defects and Corrections to the Nambu Action

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The effective action of a (1+2)-dimensional defect is obtained as an expansion in powers of the thickness.Considering non-straight solutions as the zero order term, the corrections to the Nambu action are found to depend on the curvature scalar and on the gaussian curvature .
UNB.FIS.FM-002/92, Marcos@FNAL, 12 pages, Latex

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General Relativity and Quantum Cosmology

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http://salesiana.dossiersoluciones.com/handle/123456789/202199

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/9303017
 http://arxiv.org/abs/gr-qc/9303017
 Phys.Lett.A174:280-284,1993
 doi:10.1016/0375-9601(93)90138-P

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arXiv