SCDEW宇宙学中的耦合DM加热
Coupled DM heating in SCDEW cosmologies
摘要：
强耦合暗能量加暖暗物质（SCDEW）宇宙学承认，自暴胀再加热以来，耦合暗物质和暖暗物质的$\sim 1\, \%$是稳定存在的。耦合DM波动，因此增长到非线性，即使在早期的辐射膨胀。这种早期非线性阶段在此通过顶帽密度增强的演变来建模，当耦合DM密度对比度仅为25-26并且DM密度增强为总密度的$ \sim 10\, \%$时，达到早期维里平衡。然而，在维里平衡所需的时间内，维里平衡条件继续改变，使得“维里化”的团块经历完全蒸发。在这里，我们概述了DM粒子处理overdentities保留一小部分的维里动量。虽然完全非相对论性，但由此产生的速度（适度）影响更大尺度上的波动动力学，稍后进入视界。
英文摘要：
Strongly Coupled Dark Energy plus Warm dark matter (SCDEW) cosmologies admit the stationary presence of $\sim 1\, \%$ of coupled-DM and DE, since inflationary reheating. Coupled-DM fluctuations therefore grow up to non-linearity even in the early radiative expansion. Such early non-linear stages are modelized here through the evolution of a top-hat density enhancement, reaching an early virial balance when the coupled-DM density contrast is just 25-26 and DM density enhancement is $ \sim 10\, \%$ of total density. During the time needed to settle in virial equilibium, the virial balance conditions however continue to modify, so that "virialized" lumps undergo a complete evaporation. Here we outline that DM particles processed by overdentities preserve a fraction of their virial momentum. Although fully non-relativistic, the resulting velocities (moderately) affect the fluctuation dynamics over greater scales, entering the horizon later on.
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