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Oscillations of relativistic axisymmetric tori and implications for modelling kHz-QPOs in neutron-star X-ray binaries
X-rays: binaries – relativity – stars: neutron
2011/10/8
We perform a global linear perturbative analysis, and investigate the oscillation properties of relativistic, non-selfgravitating tori orbiting around neutron stars in the slow rotation limit approxim...
Studying Frequency Relations of kHz QPOs for 4U 1636-53 and Sco X-1: Observations Confront Theories
Studying Frequency Relations kHz QPOs 4U 1636-53
2011/1/13
By fitting the frequencies of simultaneous lower and upper kilohertz Quasi-Periodic Oscillations (kHz QPOs) in two prototype neutron star QPO sources (4U~1636-536 and Sco X-1), we test the predictive...
The Moving Hotspots model for kHz QPOs in accreting neutron stars
QPO plasma LMXB accretion
2010/11/9
3D MHD simulation of accretion onto neutron stars have shown in the last few years that
the footprint (hotspot) of the accretion flow changes with time. Two different kinds of accretion,namely the fu...
On the development of QPOs in Bondi-Hoyle accretion flows
High Energy Astrophysical Phenomena (astro-ph.HE) General Relativity and Quantum Cosmology (gr-qc)
2010/12/28
The numerical investigation of Bondi-Hoyle accretion onto a moving black hole has a long history, both in Newtonian and in general-relativistic physics. By performing new two-dimensional and general-r...
QPOs and Resonance in Accretion Disks。
The Twin Peak QPOs in Neutron Star and Black Hole Sources：What is explained, and What is not
The Twin Peak QPOs Black Hole Sources Neutron Star
2009/7/1
The Twin Peak QPOs in Neutron Star and Black Hole Sources：What is explained, and What is not。
Non-linear resonances in accretion disks and qpos
Non-linear resonances accretion disks qpos
2009/6/17
Non-linear resonances in accretion disks and qpos。