The Proton Distribution Function in Weakly Magnetized Turbulent Plasmas | Zendy

Andrei Gruzinov | Zendy; Eliot Quataert | Zendy

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The Proton Distribution Function in Weakly Magnetized Turbulent Plasmas

Author(s) -

Andrei Gruzinov,

Eliot Quataert

Publication year - 1999

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/307472

Subject(s) - physics , plasma , proton , distribution function , exponential function , pion , turbulence , power law , work (physics) , atomic physics , distribution (mathematics) , exponential decay , quantum electrodynamics , nuclear physics , computational physics , mechanics , quantum mechanics , mathematical analysis , statistics , mathematics

We calculate the proton distribution function due to heating by subsonic(Alfvenic) turbulence in a weakly magnetized collisionless plasma. Thedistribution function is nonthermal. For non-relativistic energies, it is anexponential of the magnitude of the proton velocity. For ultra-relativisticenergies, it can be characterized as a power law with a momentum-dependentslope.Comment: 7 pages, submitted to Ap

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