http://arxiv.org/abs/1603.06360
We show that the phenomenon of neutrino spectral split, which might be observed in the next galactic supernova neutrino signal, is analogous to the BCS-BEC crossover already observed in ultra cold atomic gas experiments. Although these two phenomena belong to two very different domains of physics, the propagation of neutrinos from highly interacting inner regions to the vacuum is reminiscent of the evolution of Cooper pairs between weak and strong interaction regimes. The Hamiltonians and the corresponding ground states undergo very similar transformations if one replaces the pair quasispin of the latter with the neutrino isospin of the former.
Y. Pehlivan, A. Subasi, N. Ghazanfari, et. al.
Tue, 22 Mar 16
59/72
Comments: 5 pages, 3 figures