弯曲时空中的三代中微子振荡
Three-generation neutrino oscillations in curved spacetime
摘要：
研究了弯曲时空中的三代MSW效应，并对中微子自能的引力修正作了简要讨论。得到了修正的中微子混合参数和中微子通过等密度天体后的转换几率。在此框架下，讨论了区分正层次和逆层次的方法。由于能量的引力红移，在某些极端情况下，中微子的共振能可能会发生显著的移动，在时空奇点附近，引力对中微子自能的影响变得显著。
英文摘要：
Three-generation MSW effect in curved spacetime is studied and a brief discussion on the gravitational correction to the neutrino self-energy is given. The modified mixing parameters and corresponding conversion probabilities of neutrinos after traveling through celestial objects of constant densities are obtained. The method to distinguish between the normal hierarchy and inverted hierarchy is discussed in this framework. Due to the gravitational redshift of energy, in some extreme situations, the resonance energy of neutrinos might be shifted noticeably and the gravitational effect on the self-energy of neutrino becomes significant at the vicinities of spacetime singularities.
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