Heterotic moduli stabilisation and non-supersymmetric vacua

被引:8
作者
Lukas, Andre [1 ]
Lalak, Zygmunt [2 ]
Svanes, Eirik E. [3 ,4 ,5 ]
机构
[1] Univ Oxford, Rudolf Peierls Ctr Theoret Phys, Oxford OX1 3NP, England
[2] Univ Warsaw, Inst Theoret Phys, Fac Phys, PL-02093 Warsaw, Poland
[3] Sorbonne Univ, Univ Paris 06, UMR 7589, LPTHE, F-75005 Paris, France
[4] CNRS, LPTHE, UMR 7589, F-75005 Paris, France
[5] Sorbonne Univ, Inst Lagrange Paris, F-75014 Paris, France
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2015年 / 08期
基金
英国工程与自然科学研究理事会;
关键词
Superstring Vacua; Superstrings and Heterotic Strings; Flux compactifications; CHIRAL MATTER; SUPERGRAVITY; CONFIGURATIONS;
D O I
10.1007/JHEP08(2015)020
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We study moduli stabilisation in four-dimensional N = 1 supergravity theories which originate from compactifications of the heterotic string on certain manifolds with SU(3) structure. These theories have a non-trivial superpotential generated from geometric flux and, in general, D-terms associated to anomalous U(1) symmetries. We show that, at the perturbative level, there are no supersymmetry preserving vacua. However, subject to a certain technical condition on the D-terms which aligns the extrema of the F-term and D-term potentials, partial derivative V-i(F) = partial derivative V-i(D) = 0, we find at the perturbative level analytic stable AdS vacua which break supersymmetry. As a result, all T-moduli and the dilaton are stabilised perturbatively with supersymmetry broken at a high scale. We also show numerically that similar vacua can be found when the technical condition on the D-term is relaxed. These vacua persist in the presence of non-perturbative effects. In all cases, the vacua remain AdS.
引用
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页数:18
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