2024-03-28T11:31:54Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/208072020-01-15T09:54:56Zcom_10261_49com_10261_4col_10261_175
DIGITAL.CSIC
author
Carlos, Beatriz de
author
Guarino, Adolfo
author
Moreno, Jesús M.
2010-02-08T11:19:44Z
2010-02-08T11:19:44Z
2010-02-08T11:19:44Z
http://hdl.handle.net/10261/20807
We present a complete and systematic analysis of the Minkowski extrema of the N=1, D=4 Supergravity potential obtained from type II orientifold models that are T-duality invariant, in the presence of generalised fluxes. Based on our previous work on algebras spanned by fluxes, and the so-called no-go theorems on the existence of Minkowski and/or de Sitter vacua, we perform a partly analytic, partly numerical analysis of the promising cases previously hinted. We find that the models contain Minkowski extrema with one tachyonic direction. Moreover, those models defined by the Supergravity algebra so(3,1)^2 also contain Minkowski/de Sitter minima that are totally stable. All Minkowski solutions, stable or not, interpolate between points in parameter space where one or several of the moduli go to either zero or infinity, the so-called singular points. We finally reinterpret our results in the language of type IIA flux models, in order to show explicitly the contribution of the different sources of potential energy to the extrema found. In particular, the cases of totally stable Minkowski/de Sitter vacua require of the presence of non-geometric fluxes.
eng
openAccess
Complete classification of Minkowski vacua in generalised flux models
artículo
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URL
https://digital.csic.es/bitstream/10261/20807/1/0911.2876v2.pdf
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https://digital.csic.es/bitstream/10261/20807/4/0911.2876v2.pdf.txt
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