Zobrazeno 1 - 10
of 951
pro vyhledávání: '"Ko, C P"'
Publikováno v:
A&A 654, A63 (2021)
Plasma outflow from a gravitational potential well with cosmic rays and self-excited Alfv\'en waves with cooling and wave damping is studied in the hydrodynamics regime. We study outflows in the presence of cosmic ray and Alfv\'en waves including the
Externí odkaz:
http://arxiv.org/abs/2110.06170
Plasma outflow or wind against a gravitational potential under the influence of cosmic rays is studied in the context of hydrodynamics. Cosmic rays interact with the plasma via hydromagnetic fluctuations. In the process, cosmic rays advect and diffus
Externí odkaz:
http://arxiv.org/abs/2011.04186
A self-consistent model of a one-dimensional cosmic-ray (CR) halo around the Galactic disk is formulated with the restriction to a minimum number of free parameters. It is demonstrated that the turbulent cascade of MHD waves does not necessarily play
Externí odkaz:
http://arxiv.org/abs/2009.08799
Capture and tidal disruption of stars by the supermassive black hole in the Galactic center (GC) should occur regularly. The energy released and dissipated by this processes will affect both the ambient environment of the GC and the Galactic halo. A
Externí odkaz:
http://arxiv.org/abs/1904.03958
Akademický článek
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Molecular gas in Arches cloud located near the Arches cluster is one of the emitters of K-$\alpha$ line of neutral iron and X-ray continuum in the Galactic center (GC). Similarly to the cloud Sgr B2, another well-known emitter of the iron line in the
Externí odkaz:
http://arxiv.org/abs/1807.00526
A flux of cosmic rays (CRs) propagating through a diffuse ionized gas can excite MHD waves, thus generating magnetic disturbances. We propose a generic model of CR penetration into molecular clouds through their diffuse envelopes, and identify the le
Externí odkaz:
http://arxiv.org/abs/1802.02612
Autor:
Dogiel, V. A., Cheng, K. S., Chernyshov, D. O., Erlykin, A. D., Ko, C. -M., Wolfendale, A. W.
We give a short review of processes of stochastic acceleration in the Galaxy. We discuss: how to estimate correctly the number of accelerated particles, and at which condition the stochastic mechanism is able to generate power-law nonthermal spectra.
Externí odkaz:
http://arxiv.org/abs/1701.05481
We study a possible connection between different non-thermal emissions from the inner few parsecs of the Galaxy. We analyze the origin of the gamma-ray source 2FGL J1745.6-2858 (or 3FGL J1745.6-2859c) in the Galactic Center and the diffuse hard X-ray
Externí odkaz:
http://arxiv.org/abs/1701.02488
Akademický článek
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