Artículo

Subedi, P.; Sonsrettee, W.; Blasi, P.; Ruffolo, D.; Matthaeus, W.H.; Montgomery, D.; Chuychai, P.; Dmitruk, P.; Wan, M.; Parashar, T.N.; Chhiber, R. "Charged Particle Diffusion in Isotropic Random Magnetic Fields" (2017) Astrophysical Journal. 837(2)
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Abstract:

The investigation of the diffusive transport of charged particles in a turbulent magnetic field remains a subject of considerable interest. Research has most frequently concentrated on determining the diffusion coefficient in the presence of a mean magnetic field. Here we consider the diffusion of charged particles in fully three-dimensional isotropic turbulent magnetic fields with no mean field, which may be pertinent to many astrophysical situations. We identify different ranges of particle energy depending upon the ratio of Larmor radius to the characteristic outer length scale of turbulence. Two different theoretical models are proposed to calculate the diffusion coefficient, each applicable to a distinct range of particle energies. The theoretical results are compared to those from computer simulations, showing good agreement. © 2017. The American Astronomical Society. All rights reserved..

Registro:

Documento: Artículo
Título:Charged Particle Diffusion in Isotropic Random Magnetic Fields
Autor:Subedi, P.; Sonsrettee, W.; Blasi, P.; Ruffolo, D.; Matthaeus, W.H.; Montgomery, D.; Chuychai, P.; Dmitruk, P.; Wan, M.; Parashar, T.N.; Chhiber, R.
Filiación:Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, United States
Faculty of Engineering and Technology, Panyapiwat Institute of Management, Nonthaburi, 11120, Thailand
INAF/Osservatorio Astrofisico di Arcetri, Largo E. Fermi 5, Firenze, I-50125, Italy
Gran Sasso Science Institute (INFN), Viale F. Crispi, 7, L'Aquila, I-67100, Italy
Department of Physics, Faculty of Science, Mahidol University, Bangkok, 10400, Thailand
Department of Physics and Astronomy, Dartmouth College, Hanover, NH 03755, United States
Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires Ciudad Universitaria, Buenos Aires, 1428, Argentina
Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, China
Palabras clave:astroparticle physics; cosmic rays; diffusion; magnetic fields; scattering; turbulence
Año:2017
Volumen:837
Número:2
DOI: http://dx.doi.org/10.3847/1538-4357/aa603a
Título revista:Astrophysical Journal
Título revista abreviado:Astrophys. J.
ISSN:0004637X
Registro:http://digital.bl.fcen.uba.ar/collection/paper/document/paper_0004637X_v837_n2_p_Subedi

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Citas:

---------- APA ----------
Subedi, P., Sonsrettee, W., Blasi, P., Ruffolo, D., Matthaeus, W.H., Montgomery, D., Chuychai, P.,..., Chhiber, R. (2017) . Charged Particle Diffusion in Isotropic Random Magnetic Fields. Astrophysical Journal, 837(2).
http://dx.doi.org/10.3847/1538-4357/aa603a
---------- CHICAGO ----------
Subedi, P., Sonsrettee, W., Blasi, P., Ruffolo, D., Matthaeus, W.H., Montgomery, D., et al. "Charged Particle Diffusion in Isotropic Random Magnetic Fields" . Astrophysical Journal 837, no. 2 (2017).
http://dx.doi.org/10.3847/1538-4357/aa603a
---------- MLA ----------
Subedi, P., Sonsrettee, W., Blasi, P., Ruffolo, D., Matthaeus, W.H., Montgomery, D., et al. "Charged Particle Diffusion in Isotropic Random Magnetic Fields" . Astrophysical Journal, vol. 837, no. 2, 2017.
http://dx.doi.org/10.3847/1538-4357/aa603a
---------- VANCOUVER ----------
Subedi, P., Sonsrettee, W., Blasi, P., Ruffolo, D., Matthaeus, W.H., Montgomery, D., et al. Charged Particle Diffusion in Isotropic Random Magnetic Fields. Astrophys. J. 2017;837(2).
http://dx.doi.org/10.3847/1538-4357/aa603a