STUCHLÍK, Zdeněk, Jaroslav VRBA and Martin KOLOŠ. Dynamics of Charged Particles in Dipole Magnetosphere of Neutron Stars Treated Under Influence of Radiative Back-Reaction. In RAGtime 23-25: Workshops on black holes and neutron stars. 2023.
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Basic information
Original name Dynamics of Charged Particles in Dipole Magnetosphere of Neutron Stars Treated Under Influence of Radiative Back-Reaction
Authors STUCHLÍK, Zdeněk, Jaroslav VRBA and Martin KOLOŠ.
Edition RAGtime 23-25: Workshops on black holes and neutron stars, 2023.
Other information
Type of outcome Presentations at conferences
Field of Study 10308 Astronomy
Confidentiality degree is not subject to a state or trade secret
WWW URL
Organization unit Institute of physics in Opava
Tags konference 2023
Changed by Changed by: Mgr. Pavlína Jalůvková, učo 25213. Changed: 14/5/2024 13:49.
Abstract
In the magnetosphere of neutron stars represented by a dipole field in the Schwarzschild spacetime charged test particles influenced by the Lorentz force can follow circular orbits "in" and "off" the equatorial plane coinciding with the symmetry plane of the dipole field. Chaotic motion in belts concentrated around the off-equatorial orbits is possible for particles under strong magnetic attraction. In close vicinity of the circular orbits of both types, the epicyclic motion of harmonic character is possible. Frequencies of the epicyclic and orbital motion can be related to those of the high-frequency quasiperiodic oscillations observed in systems containing a neutron star. Influence of the additional back-reaction force related to the radiation of the particles, appropriately described by the Landau-Lifshitz equation, can cause in dependence on the character of the magnetic force the succesive fall of the orbiting particle onto the neutron star surface, or unexpected widening of the particle orbit.
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