相互作用玻色-爱因斯坦气体模型中的原初引力波谱
Primordial gravitational waves spectrum in the interacting Bose-Einstein gas model
摘要：
我们研究了暗能量的相互作用玻色-爱因斯坦气体模型中原初引力波的演化和功率谱，因为它解决了符合问题。该模型适用于辐射，物质和暗能量统治阶段。该模型引入了一个与辐射-物质跃迁相关的尺度因子，它影响引力谱。我们着重讨论了自由参数对引力波振幅及其功率谱斜率的影响。对于拟合哈勃定律的参数集，我们表明，该模型的参数为今天的暗物质能量密度有一个明显的影响，这样的波，而其他产生难以区分的效果。根据目前和未来的测量检测这样的波的可行性进行了讨论。
英文摘要：
We study the evolution and power spectrum of primordial gravitational waves in the interactive Bose-Einstein gas model for dark energy, relevant, as it addresses the coincidence problem. The model is applied in the radiation, matter and dark-energy domination stages. The model introduces a scale factor associated to the radiation-matter transition which influences the gravitational spectrum. We focus on the impact of the free parameters on both the gravitational waves amplitude and its power-spectrum slope. For sets of parameters fitting Hubble's law, we show that the model's parameter for today's dark-matter energy density has a noticeable impact on such waves, while the others produce an indistinguishable effect. The feasibility of detecting such waves under present and future measurements is discussed.
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