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Paper: Comparing the Evolution Pattern of Black Hole and Neutron Star X-ray Binaries from Low to Supper-Eddington Luminosities
Volume: 451, 9th Pacific Rim Conference on Stellar Astrophysics
Page: 259
Authors: Weng, S.; Zhang, S
Abstract: Low-mass X-ray binaries (LMXBs) are systems in which a low-mass companion transfers mass via Roche-lobe overflow onto a black hole (BH) or a weakly magnetized neutron star (NS). There are two key differences between NSs and BHs – presence/absence of a solid surface and the (dipole) magnetic field. It is believed that both the solid surface and the magnetic field can affect the accretion flow and show some observable effects. Comparing the disk evolution of the two types of systems, we find that different phenomena exist below 10% Eddington luminosities, while the same evolution pattern is shared above the critical ones. We discuss the implications of the results on theoretical models.
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