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The superfluid two-stream instability and pulsar glitches
N. Andersson, G. L. Comer, R. Prix
This paper provides the first study of a new dynamical instability in superfluids. This instability is similar to the two-stream instability known to operate in plasmas. It is anal…
Are pulsar glitches triggered by a superfluid two-stream instability?
N. Andersson, G. L. Comer, R. Prix
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. The unde…
Variational description of multi-fluid hydrodynamics: Uncharged fluids
Reinhard Prix
We present a formalism for Newtonian multi-fluid hydrodynamics derived from an unconstrained variational principle. This approach provides a natural way of obtaining the general eq…
Adiabatic oscillations of non-rotating superfluid neutron stars
Reinhard Prix, Michel Rieutord
We present results concerning the linear (radial and non-radial) oscillations of non-rotating superfluid neutron stars in Newtonian physics. We use a simple two-fluid model to desc…