Magneto-gravity wave packet dynamics in strongly magnetized cores of evolved stars
نویسندگان
چکیده
منابع مشابه
Physics of Strongly Magnetized Neutron Stars
There has recently been growing evidence for the existence of neutron stars possessing magnetic fields with strengths that exceed the quantum critical field strength of 4.4× 10 G, at which the cyclotron energy equals the electron rest mass. Such evidence has been provided by new discoveries of radio pulsars having very high spin-down rates and by observations of bursting gamma-ray sources terme...
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We construct atmosphere models for strongly magnetized neutron stars with surface fields B ∼ 10 − 10 G and effective temperatures Teff ∼ 10 6 − 10 K. The atmospheres directly determine the characteristics of thermal emission from isolated neutron stars, including radio pulsars, soft gamma-ray repeaters, and anomalous Xray pulsars. In our models, the atmosphere is composed of pure hydrogen or he...
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Complete modeling of radiative transfer in neutron star atmospheres is in progress, taking into account the anisotropy induced by magnetic fields, non-ideal effects and general relativity. As part of our modeling, we present a novel atomic calculation method producing an extensive atomic data set including energy values and oscillator strengths in the so-called Landau regime (B > 4.7 × 10Z G). ...
متن کاملModelling mid-Z element atmospheres for strongly-magnetized neutron stars
We construct models for strongly-magnetized neutron star atmospheres composed of mid-Z elements (carbon, oxygen and neon) with magnetic fields B = 1012–1013 G and effective temperatures Teff = (1 − 5) × 106 K; this is done by first addressing the physics relevant to strongly-magnetized plasmas and calculating the equation of state and polarizationdependent opacities. We then obtain the atmosphe...
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The existence of the dust acoustic wave (DAW) in a strongly magnetized electron-positron (pair)dust plasma is demonstrated. In the DAW, the restoring force comes from the pressure of inertialess electrons and positrons, and the dust mass provides the inertia. The waves could be of interest in astrophysical settings such as the supernovae and pulsars, as well as in cluster explosions by intense ...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 2020
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/staa581