Abstract
The cores and crusts of neutron stars contain neutron superfluid. A short wavelength analysis of the effects of superfluidity on neutron star oscillations (Epstein 1988) revealed greatly changed sound speeds. Subsequently, Van Horn and Epstein (1990) examined the global toroidal oscillation modes and found the effects of superfluidity to be significant for them as well. In this paper the authors report some preliminary results of an investigation of the effects of superfluidity on the global spheroidal oscillations of neutron stars. Specifically they consider the effects of coupling between the superfluid and the lattice in the crust of the star. They find that the s-modes, which are spheroidal shear-wave oscillations of the crust, and the p-modes, or pressure modes, are affected by superfluidity in much the same way as the toroidal modes.
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