中微子振荡态能普适地表述吗？
Can Oscillating Neutrino States Be Formulated Universally?
摘要：
中微子物理学中的一个长期问题是振荡中微子态作为大质量中微子态的相干叠加的一致和普遍的定义。这个问题是解决在中微子混合的量子场论框架中开发的Nambu-Jona-Lasinio模型的核子质量的动力学产生的类比。大质量中微子态是Bogoliubov准粒子，它们的真空是无质量味中微子的“库珀对“的凝聚。它们作为振荡中微子态的叠加态通过构造具有内在的量子相干性。在此量子化框架下，在超相对论近似下验证了标准唯象味中微子态和振荡几率公式。
英文摘要：
A standing problem in neutrino physics is the consistent and universal definition of oscillating neutrino states as coherent superpositions of massive neutrino states. This problem is solved in a quantum field theoretical framework of neutrino mixing developed in analogy with the Nambu--Jona-Lasinio model for the dynamical generation of nucleon masses. The massive neutrino states are Bogoliubov quasiparticles and their vacuum is a condensate of "Cooper pairs" of massless flavour neutrinos. Their superpositions as oscillating neutrino states have intrinsic quantum coherence by construction. In this quantization framework, the standard phenomenological flavour neutrino states and oscillation probability formula are validated in the ultrarelativistic approximation.
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