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- W4316469116 endingPage "122608" @default.
- W4316469116 startingPage "122608" @default.
- W4316469116 abstract "In this paper we calculate the speed of sound for three phases that may exist inside a magnetized hybrid neutron star at different density regions: A hadronic phase at low densities, quark-matter in the magnetic dual chiral density wave (MDCDW) phase at intermediate densities and a free-quark phase modeled by the MIT bag model at higher densities. It is found that the speed of sound exhibits a non-monotonic behavior, that goes from values smaller than the conformal limit ($c_s^2 < 1/3$) in the hadronic phase, to peak ($c_s^2 > 1/3$) in the MDCDW phase, to finally reach the conformal limit ($c_s^2 sim 1/3$) at higher densities for quarks in the MIT bag model. Also, the anisotropic speed of sound in the presence of a magnetic field is derived from first principles. This is a consequence of the anisotropy in the system's pressures produced by the breaking of the rotational symmetry in the presence of a magnetic field. The role played by the lowest Landau level contribution in affecting the speed of sound in the magnetized phases is discussed." @default.
- W4316469116 created "2023-01-16" @default.
- W4316469116 creator A5066628084 @default.
- W4316469116 creator A5089309923 @default.
- W4316469116 date "2023-03-01" @default.
- W4316469116 modified "2023-10-01" @default.
- W4316469116 title "Speed of sound for hadronic and quark phases in a magnetic field" @default.
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