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arXiv 2005.01764hep-th
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Ⅰ型弦轨道模型的模稳定性

Moduli stability in type I string orbifold models

Thibaut Coudarchet, Hervé Partouche

摘要:

我们分析了四维Minkowski时空中实现超对称性$\mathcal{N}=2\to \mathcal{N}=0$自发破缺的开弦模型中量子模的稳定性。在模空间的超对称破缺尺度低于其他尺度的区域中,我们确定了单圈有效势的消失极小值,直到指数小的修正。在这些背景下,光谱满足玻色费米简并在无质量水平。

英文摘要:

We analyze the stability of the moduli at the quantum level in an open-string model realizing the $\mathcal{N}=2\to \mathcal{N}=0$ spontaneous breaking of supersymmetry in four-dimensional Minkowski spacetime. In the region of moduli space where the supersymmetry breaking scale is lower than the other scales, we identify vanishing minima of the one-loop effective potential, up to exponentially small corrections. In these backgrounds, the spectrum satisfies Bose-Fermi degeneracy at the massless level.

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