1. Radiation from accelerated particles in relativistic jets with shocks, shear-flow, and reconnection
- Author
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Åke Nordlund, Yosuke Mizuno, Ioana Dutan, Dieter H. Hartmann, P. E. Hardee, J. T. Frederiksen, M. Medvedev, Jacek Niemiec, Bing Zhang, M. Pohl, K. W. Min, E. J. Choi, Ken-Ichi Nishikawa, and Helene Sol
- Subjects
High Energy Astrophysical Phenomena (astro-ph.HE) ,Physics ,010504 meteorology & atmospheric sciences ,Astrophysics::High Energy Astrophysical Phenomena ,General Engineering ,FOS: Physical sciences ,Astronomy and Astrophysics ,Electron ,Plasma ,01 natural sciences ,7. Clean energy ,Magnetic field ,Computational physics ,Particle acceleration ,Lorentz factor ,symbols.namesake ,Astrophysical jet ,Deflection (physics) ,Space and Planetary Science ,0103 physical sciences ,symbols ,Astrophysics - High Energy Astrophysical Phenomena ,Shear flow ,010303 astronomy & astrophysics ,0105 earth and related environmental sciences - Abstract
We have investigated particle acceleration and shock structure associated with an unmagnetized relativistic jet propagating into an unmagnetized plasma. Strong magnetic fields generated in the trailing jet shock lead to transverse deflection and acceleration of the electrons. We have self-consistently calculated the radiation from the electrons accelerated in the turbulent magnetic fields. We find that the synthetic spectra depend on the bulk Lorentz factor of the jet, the jet temperature, and the strength of the magnetic fields generated in the shock. We have also begun study of electron acceleration in the strong magnetic fields generated by kinetic shear (Kelvin-Helmholtz) instabilities. Our calculated spectra should lead to a better understanding of the complex time evolution and/or spectral structure from gamma-ray bursts, relativistic jets, and supernova remnants., Comment: 6 pages, 4 figures, 2012 Fermi Symposium proceedings - eConf C121028
- Published
- 2013