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http://hdl.handle.net/20.500.12386/23946
Title: | Non-linear Cosmic Ray propagation close to the acceleration site | Authors: | Nava, Lara Gabici, S. Marcowith, A. MORLINO, GIOVANNI Ptuskin, V. |
Issue Date: | 2015 | Volume: | 34th International Cosmic Ray Conference (ICRC2015) | Number: | 34 | First Page: | 541 | Abstract: | Recent advances on gamma-ray observations from SuperNova Remnants and Molecular Clouds offer the possibility to study in detail the properties of the propagation of escaping Cosmic Rays (CR). However, a complete theory for CR transport outside the acceleration site has not been developed yet. Two physical processes are thought to be relevant to regulate the transport: the growth of waves caused by streaming instability, and possible wave damping mechanisms that reduce the growth of the turbulence. Only a few attempts have been made so far to incorporate these mechanisms in the theory of CR diffusion. In this work we present recent advances in this subject. In particular, we show results obtained by solving the coupled equations for the diffusion of CRs and the evolution of Alfven waves. We discuss the importance of streaming instabilities and wave damping in different ISM phases. | Conference Name: | The 34th International Cosmic Ray Conference (ICRC2015) | Conference Place: | The Hague, The Netherlands | Conference Date: | 30 July - 6 August, 2015 | URI: | http://hdl.handle.net/20.500.12386/23946 | URL: | https://pos.sissa.it/236/541/ | DOI: | 10.22323/1.236.0541 | Bibcode ADS: | 2015ICRC...34..541N | Fulltext: | open |
Appears in Collections: | 3.01 Contributi in Atti di convegno |
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ICRC2015_541.pdf | 747.71 kB | Adobe PDF | View/Open |
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