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Particle-in-cell Simulations of Global Relativistic Jets with Helical Magnetic Fields

Published online by Cambridge University Press:  23 June 2017

Ioana Duţan ,
Ken-Ichi Nishikawa ,
Yosuke Mizuno ,
Jacek Niemiec ,
Oleh Kobzar ,
Martin Pohl ,
Jose L. Gómez ,
Asaf Pe’er ,
Jacob T. Frederiksen  and
Åke Nordlund
...Show all authors
Ioana Duţan
Affiliation:
Institute of Space Science, Atomiştilor 409, Bucharest-Magurele RO-077125, Romania email: [email protected]
Ken-Ichi Nishikawa
Affiliation:
Department of Physics, University of Alabama, Huntsville, AL 35899, USA email: [email protected]
Yosuke Mizuno
Affiliation:
Institute for Theoretical Physics, Goethe University, Frankfurt am Main D-60438, Germany email: [email protected]
Jacek Niemiec
Affiliation:
Institute of Nuclear Physics PAN, ul. Radzikowskiego 152, Kraków 31-342, Poland email: [email protected] (J.N.); [email protected] (O.K.)
Oleh Kobzar
Affiliation:
Institute of Nuclear Physics PAN, ul. Radzikowskiego 152, Kraków 31-342, Poland email: [email protected] (J.N.); [email protected] (O.K.)
Martin Pohl
Affiliation:
Institut fur Physik und Astronomie, Universität Potsdam, Potsdam-Golm D-14476, Germany DESY, Platanenallee 6, Zeuthen 15738, Germany email: [email protected]
Jose L. Gómez
Affiliation:
Instituto de Astrofísica de Andalucía, CSIC, Apartado 3004, Granada 18080, Spain email: [email protected]
Asaf Pe’er
Affiliation:
Physics Department, University College Cork, Cork T12 YN60, Ireland email: [email protected]
Jacob T. Frederiksen
Affiliation:
Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, Copenhagen DK-2100, Denmark; email: [email protected] (J.T.F.), [email protected] (Å.N.)
Åke Nordlund
Affiliation:
Niels Bohr Institute, University of Copenhagen, Blegdamsvej 17, Copenhagen DK-2100, Denmark; email: [email protected] (J.T.F.), [email protected] (Å.N.)
Athina Meli
Affiliation:
Department of Physics and Astronomy, University of Gent, Proeftuinstraat 86, Gent B-9000, Belgium; email: [email protected]
Helene Sol
Affiliation:
LUTH, Observatore de Paris-Meudon, 5 place Jules Jansen, Meudon Cedex 92195, France email: [email protected]
Philip E. Hardee
Affiliation:
Department of Physics and Astronomy, University of Alabama, Tuscaloosa, AL 35487, USA email: [email protected]
Dieter H. Hartmann
Affiliation:
Department of Physics and Astronomy, Clemson University, Clemson, SC 29634, USA email: [email protected]
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Abstract

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We study the interaction of relativistic jets with their environment, using 3-dimen- sional relativistic particle-in-cell simulations for two cases of jet composition: (i) electron-proton (e− − p+) and (ii) electron-positron (e±) plasmas containing helical magnetic fields. We have performed simulations of “global” jets containing helical magnetic fields in order to examine how helical magnetic fields affect kinetic instabilities such as the Weibel instability, the kinetic Kelvin-Helmholtz instability and the Mushroom instability. We have found that these kinetic instabilities are suppressed and new types of instabilities can grow. For the e− − p+ jet, a recollimation-like instability occurs and jet electrons are strongly perturbed, whereas for the e± jet, a recollimation-like instability occurs at early times followed by kinetic instability and the general structure is similar to a simulation without a helical magnetic field. We plan to perform further simulations using much larger systems to confirm these new findings.

Keywords

plasmasinstabilitiesmagnetic fieldsshock wavesrelativitygalaxies: jetsactive
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 12 , Symposium S324: New Frontiers in Black Hole Astrophysics , September 2016 , pp. 199 - 202
Copyright
Copyright © International Astronomical Union 2017 

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