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arXiv 0711.2679hep-thastro-phhep-ph
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实型IIB超对称Minkowski通量矩阵

Realistic Type IIB Supersymmetric Minkowski Flux Vacua

Ching-Ming Chen, Tianjun Li, Yan Liu, Dimitri V. Nanopoulos

摘要:

我们证明了在具有一般通量紧化的IIB型环面定向褶皱上存在超对称Minkowski真空,其中RR蝌蚪相消条件可以优雅地放松。然后,我们提出了一个现实的Pati-Salam样模型。在弦标度下,规范对称性可以被破缺为标准模型的规范对称性,规范耦合统一可以自然实现,所有的手征粒子都可以退耦,从而得到弦标度下的超对称标准模型.观测到的SM费米子质量和混合也可以得到。此外,统一规范耦合、介子、复结构模、Kähler模的实部和虚部之和都可以作为四维介子和通量的函数来确定,也可以进行估计。

英文摘要:

We show that there exist supersymmetric Minkowski vacua on Type IIB toroidal orientifold with general flux compactifications where the RR tadpole cancellation conditions can be relaxed elegantly. Then we present a realistic Pati-Salam like model. At the string scale, the gauge symmetry can be broken down to the Standard Model (SM) gauge symmetry, the gauge coupling unification can be achieved naturally, and all the extra chiral exotic particles can be decoupled so that we have the supersymmetric SMs with/without SM singlet(s) below the string scale. The observed SM fermion masses and mixings can also be obtained. In addition, the unified gauge coupling, the dilaton, the complex structure moduli, the real parts of the Kähler moduli and the sum of the imaginary parts of the Kähler moduli can be determined as functions of the four-dimensional dilaton and fluxes, and can be estimated as well.

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