从重力势中“蒸发”一个混合了味道的粒子
"Evaporation" of a flavor-mixed particle from a gravitational potential
摘要：
我们证明了一个稳定的粒子与味道混合，限制在一个引力势可以逐渐和不可逆地逃逸-或“蒸发”-从it. This效果是由于质量本征态转换发生在相互作用（散射）的质量状态与其他粒子，即使它们之间的能量交换是消失。蒸发和转化是量子效应，与风味振荡、粒子衰变、量子隧穿或其他公知的过程无关。除了他们深刻的学术兴趣，这些影响应该对宇宙学有巨大的影响，例如，(1)预测了宇宙中微子背景的扭曲;（2）提出了暗物质晕中心尖点的软化以及矮晕的涂抹或破坏。
英文摘要：
We demonstrate that a stable particle with flavor mixing, confined in a gravitational potential can gradually and irreversibly escape -- or "evaporate" -- from it. This effect is due to mass eigenstate conversions which occur in interactions (scattering) of mass states with other particles even when the energy exchange between them is vanishing. The evaporation and conversion are quantum effects not related to flavor oscillations, particle decay, quantum tunneling or other well-known processes. Apart from their profound academic interest, these effects should have tremendous implications for cosmology, e.g., (1) the cosmic neutrino background distortion is predicted and (2) the softening of central cusps in dark matter halos and smearing out or destruction of dwarf halos were suggested.
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