关于可计算规范介导的热历史
On the Thermal History of Calculable Gauge Mediation
摘要：
许多具有真实高吉诺质量的信使模型都是基于亚稳态真空的。在这项工作中，我们研究了这些模型的热历史。分析R对称模型，我们指出，虽然一些已知的信使模型显然更喜欢超对称真空，有一个巨大的一类模型的答案取决于初始条件。随着真空在原点，高温热势也有一个局部极小远离原点。这种真空在零温度下没有类似物。从该真空到超对称真空的一阶相变被参数抑制，并且从该真空开始的理论很可能发展到期望的规范调解真空。我们还评论了没有R-对称性的模型的热演化。
英文摘要：
Many messenger models with realistic gaugino masses are based on meta-stable vacua. In this work we study the thermal history of some of these models. Analyzing R-symmetric models, we point out that while some of the known messenger models clearly prefer the supersymmetric vacuum, there is a vast class of models where the answer depends on the initial conditions. Along with the vacuum at the origin, the high temperature thermal potential also possesses a local minimum far away from the origin. This vacuum has no analog at zero temperature. The first order phase transition from this vacuum into the supersymmetric vacuum is parametrically suppressed, and the theory, starting from that vacuum, is likely to evolve to the desired gauge-mediation vacuum. We also comment on the thermal evolution of models without R-symmetry.
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