Instantons and Wormholes in N=2 supergravity - High Energy Physics - TheoryReportar como inadecuado




Instantons and Wormholes in N=2 supergravity - High Energy Physics - Theory - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

Abstract: In this paper, we construct Euclidean instanton and wormhole solutions in$d=4$, N=2 supergravity theories with hypermultiplets. The analyticcontinuation of the hypermultiplet action, involving pseudoscalar axions, isdiscussed using the approach originally developed by Coleman which determinesthe apparence of boundary terms. In particular, we investigate the conditionsobtained by requiring the action to be positive-definite once the boundaryterms are taken into account. The case of two hypermultiplets parameterizingthe coset $G {2,2}-SU2\times SU2$ is studied in detail. Orientifoldprojections which reduce the supersymmetry to N=1 are also discussed.



Autor: Marco Chiodaroli, Michael Gutperle

Fuente: https://arxiv.org/



DESCARGAR PDF




Documentos relacionados