Avoided crossings in radial pulsations of neutron and strange stars
D. Gondek and
Received 9 November 1998 / Accepted 21 December 1998
Radial pulsations of neutron stars and strange quark stars with nuclear crust are studied. The avoided crossing phenomenon occurring for the radial modes is found and discussed. Neutron star models are constructed using a realistic equation of state of dense matter and strange star models using a phenomenological bag model of quark matter. The eigenfrequencies of the three lowest modes of linear, adiabatic pulsations are calculated, using the relativistic equations for the radial oscillations.
Key words: dense matter stars: neutron stars: oscillations
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© European Southern Observatory (ESO) 1999
Online publication: March 10, 1999