De Sitter vacua from a D-term generated racetrack potential in hypersurface Calabi-Yau compactifications

De Sitter vacua from a D-term generated racetrack potential in hypersurface Calabi-Yau compactifications
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来自 D 项的德西特真空在超表面 Calabi-Yau 致密化中产生跑道势

DOI:
10.1007/jhep12(2015)033
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发表时间:
2015
影响因子:
5.4
通讯作者:
Braun A
Braun A
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Braun A

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在文献[1]中提出了一种将闭弦模固定在de Sitter极小值中的机制:D项势产生两个刚性因子体积之间的线性关系,这反过来在较低能量下产生具有指数大体积的de Sitter极小值的跑道势。本文从Kreuzer-Skarke表中系统地寻找了这一机制在所有h1,1≤ 4的复曲面Calabi-Yau超曲面中的实现.对于这些,拓扑数据可以显式计算,允许我们找到具有两个刚性复曲面因子的三重的子集,这两个刚性复曲面因子彼此不相交,并且与h 1,1− 2个独立的四圈正交。这些流形允许找到D 7膜配置兼容的德西特隆起机制,我们发现了丰富的一致的选择D 7膜通量诱导D-项导致德西特最小值。最后,我们给出了几个具体的模型,检查了全局一致性条件,并计算了最小势的值。
In [1] a mechanism to fix the closed string moduli in a de Sitter minimum was proposed: a D-term potential generates a linear relation between the volumes of two rigid divisors which in turn produces at lower energies a race-track potential with de Sitter minima at exponentially large volume. In this paper, we systematically search for implementations of this mechanism among all toric Calabi-Yau hypersurfaces with h 1, 1≤ 4 from the Kreuzer-Skarke list. For these, topological data can be computed explicitly allowing us to find the subset of three-folds which have two rigid toric divisors that do not intersect each other and that are orthogonal to h 1, 1− 2 independent four-cycles. These manifolds allow to find D7-brane configurations compatible with the de Sitter uplift mechanism and we find an abundance of consistent choices of D7-brane fluxes inducing D-terms leading to a de Sitter minimum. Finally, we work out a couple of models in detail, checking the global consistency conditions and computing the value of the potential at the minimum.
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