Rapidly rotating Dirac stars
Dzhunushaliev V. Folomeev V. Burtebayev N.
15 July 2022American Physical Society
Physical Review D
2022#106Issue 2
Within general relativity, we construct sequences of rapidly rotating Dirac stars consisting of a spinor fluid described by an effective equation of state. We find the physically relevant domain of stable configurations and calculate their principal characteristics which are completely determined by the central density of the spinor fluid, the mass of the nonlinear spinor field, and the velocity of rotation. It is demonstrated that for a certain choice of the spinor field mass, the main physical characteristics of the Dirac stars are close to those that are typical of rotating neutron stars.
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Department of Theoretical and Nuclear Physics, Al-Farabi Kazakh National University, Almaty, 050040, Kazakhstan
Institute of Nuclear Physics, Almaty, 050032, Kazakhstan
Academician J. Jeenbaev Institute of Physics, The NAS of the Kyrgyz Republic, 265 a, Chui Street, Bishkek, 720071, Kyrgyzstan
Department of Theoretical and Nuclear Physics
Institute of Nuclear Physics
Academician J. Jeenbaev Institute of Physics
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