光滑混杂新infation的引力波
Gravitational waves from smooth hybrid new infation
摘要:
我们用格点模拟计算了双暴胀模型中引力波的产生。在两个暴胀阶段之间,通过参量共振增强的标量场的涨落产生具有特征频率的引力波。产生的引力波的波长在第二暴胀阶段得到额外的红移,它可以在直接引力波探测器的可观测范围内。发现在计划的实验中有可能探测到产生的引力波。
英文摘要:
We calculate the production of the gravitational waves from a double inflation model with lattice simulations. Between the two inflationary stages, gravitational waves with a characteristic frequency are produced by fluctuations of the scalar fields enhanced through parametric resonance. The wavelength of the produced gravitational waves gets extra redshift during the second inflationary stage and it can be in the observable range for the direct gravitational wave detectors. It is found that there is a possibility for the produced gravitational waves to be detected in the planned experiments.
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