Quantum high energy density physics

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Cosmic-Ray Electrons in Groups and Clusters of Galaxies: Primary and Secondary Populations from a Numerical Cosmological Simulation

The Astrophysical Journal American Astronomical Society 562:1 (2001) 233-253

Authors:

Francesco Miniati, TW Jones, Hyesung Kang, Dongsu Ryu
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COSMOCR: A numerical code for cosmic ray studies in computational cosmology

Computer Physics Communications Elsevier 141:1 (2001) 17-38
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Cosmic-Ray Protons Accelerated at Cosmological Shocks and Their Impact on Groups and Clusters of Galaxies

The Astrophysical Journal American Astronomical Society 559:1 (2001) 59-69

Authors:

Francesco Miniati, Dongsu Ryu, Hyesung Kang, TW Jones
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Winds and shocks in galaxy clusters: Shock acceleration on an intergalactic scale

AIP Conference Proceedings AIP Publishing 558:1 (2001) 436-447

Authors:

TW Jones, Francesco Miniati, Dongsu Ryu, Hyesung Kang
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Cosmic rays and their radiative processes in numerical cosmology

Revista Mexicana de Astronomia y Astrofisica: Serie de Conferencias 9 (2000) 305-307

Authors:

D Ryu, F Miniati, TW Jones, H Kang

Abstract:

A cosmological hydrodynamic code is described, which includes a routine to compute cosmic ray acceleration and transport in a simplified way. The routine was designed to follow explicitly diffusive acceleration at shocks, and second-order Fermi acceleration and adiabatic loss in smooth ows. Synchrotron cooling of the electron population can also be followed. The updated code is intended to be used to study the properties of nonthermal synchrotron emission and inverse Compton scattering from electron cosmic rays in clusters of galaxies, in addition to the properties of thermal bremsstrahlung emission from hot gas. The results of a test simulation using a grid of 1283 cells are presented, where cosmic rays and magnetic field have been treated passively and synchrotron cooling of cosmic ray electrons has not been included.