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SUMMARY:A Numerical Study of Oscillations of Highly Magnetized Non-rotatin
 g Axisymmetric Neutron Stars
DTSTART;VALUE=DATE-TIME:20210830T154500Z
DTEND;VALUE=DATE-TIME:20210830T160000Z
DTSTAMP;VALUE=DATE-TIME:20261012T155852Z
UID:indico-contribution-15766@indico.ific.uv.es
DESCRIPTION:Speakers: Man Yin Leung (Department of Physics\, The Chinese U
 niversity of Hong Kong)\nHighly magnetized neutron stars with magnetic fie
 lds of $10^{15-16}$ G are promising candidates to be the observed soft gam
 ma repeaters and X-ray pulsars. On the other hand\, oscillations of pertur
 bed neutron stars are closely related to the composition\, structure\, and
  equation of state of the star. Thus far\, the numerical study of oscillat
 ions of magnetized neutron stars has not yet realized the observed order o
 f field magnitude. Here\, we present a breakthrough by using a multigrid-b
 ased general relativistic code\, `Gmunu`\, to dynamically simulate the osc
 illations of highly magnetized non-rotating axisymmetric neutron stars wit
 h field strengths of $10^{15-17}$ G under non-linear perturbations. We ext
 ract the eigenfrequencies and eigenfunctions of the excited oscillation mo
 des and preliminary results show that the eigenfrequencies decrease with t
 he magnetic to binding energy ratio of the neutron star\, implying a suppr
 ession of perturbative oscillations in a more magnetized neutron star.\n\n
 https://indico.ific.uv.es/event/6178/contributions/15766/
LOCATION:
URL:https://indico.ific.uv.es/event/6178/contributions/15766/
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