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Export Reference (APA) 
Martins, S. F., Fonseca, R. A., Silva, L. O. & Mori, W. B. (2009). Ion dynamics and acceleration in relativistic shocks. Astrophysical Journal Letters. 695 (2), 189-193
Export Reference (IEEE) 
S. Martins et al.,  "Ion dynamics and acceleration in relativistic shocks", in Astrophysical Journal Letters, vol. 695, no. 2, pp. 189-193, 2009
Export BibTeX 
@article{martins2009_1781365875832,
	author = "Martins, S. F. and Fonseca, R. A. and Silva, L. O. and Mori, W. B.",
	title = "Ion dynamics and acceleration in relativistic shocks",
	journal = "Astrophysical Journal Letters",
	year = "2009",
	volume = "695",
	number = "2",
	doi = "10.1088/0004-637X/695/2/L189",
	pages = "189-193",
	url = "http://iopscience.iop.org/article/10.1088/0004-637X/695/2/L189/meta;jsessionid=37882226FF9E6BFA70C8A90ACAEC0509.c3.iopscience.cld.iop.org"
}
Export RIS 
TY  - JOUR
TI  - Ion dynamics and acceleration in relativistic shocks
T2  - Astrophysical Journal Letters
VL  - 695
IS  - 2
AU  - Martins, S. F.
AU  - Fonseca, R. A.
AU  - Silva, L. O.
AU  - Mori, W. B.
PY  - 2009
SP  - 189-193
SN  - 2041-8205
DO  - 10.1088/0004-637X/695/2/L189
UR  - http://iopscience.iop.org/article/10.1088/0004-637X/695/2/L189/meta;jsessionid=37882226FF9E6BFA70C8A90ACAEC0509.c3.iopscience.cld.iop.org
AB  - Ab initio numerical study of collisionless shocks in electron-ion unmagnetized plasmas is performed with fully relativistic particle in cell simulations. The main properties of the shock are shown, focusing on the implications for particle acceleration. Results from previous works with a distinct numerical framework are recovered, including the shock structure and the overall acceleration features. Particle tracking is then used to analyze in detail the particle dynamics and the acceleration process. We observe an energy growth in time that can be reproduced by a Fermi-like mechanism with a reduced number of scatterings, in which the time between collisions increases as the particle gains energy, and the average acceleration efficiency is not ideal. The in depth analysis of the underlying physics is relevant to understanding the generation of high-energy cosmic rays, the impact on the astrophysical shock dynamics, and the consequent emission of radiation.
ER  -