Are Pulsar Glitches Triggered by a Superfluid Two-Stream Instability?

Andersson, Nils; Comer, G. L.; Prix, Reinhard

doi:10.1103/PhysRevLett.90.091101

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Are Pulsar Glitches Triggered by a Superfluid Two-Stream Instability?

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Prix, Reinhard
Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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0210486v1.pdf
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Andersson, N., Comer, G. L., & Prix, R. (2003). Are Pulsar Glitches Triggered by a Superfluid Two-Stream Instability? Physical Review Letters, 90(9): 091101. doi:10.1103/PhysRevLett.90.091101.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-5246-4

Abstract

Mature neutron stars are expected to have several superfluid components. Strong evidence for this is provided by the glitches that have been observed in dozens of pulsars. We describe a superfluid analog of the two-stream instability that is well known in plasma physics and provide arguments that this instability is likely to be relevant for neutron stars. This is a new physical mechanism which may play a key role in explaining the glitch mechanism and which could also prove to be relevant in laboratory experiments on various superfluid systems.