Nonstandard neutrino self-interactions in a supernova and fast flavor conversions

@article{Dighe2018NonstandardNS,
  title={Nonstandard neutrino self-interactions in a supernova and fast flavor conversions},
  author={A. Dighe and Manibrata Sen},
  journal={Physical Review D},
  year={2018},
  volume={97},
  pages={043011}
}
We study the effects of non-standard self-interactions (NSSI) of neutrinos streaming out of a core-collapse supernova. We show that with NSSI, the standard linear stability analysis gives rise to linearly as well as exponentially growing solutions. For a two-box spectrum, we demonstrate analytically that flavor-preserving NSSI lead to a suppression of bipolar collective oscillations. In the intersecting four-beam model, we show that flavor-violating NSSI can lead to fast oscillations even when… Expand

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