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5 papers · 2 filters
Plasma wakefield acceleration studies using the quasi-static code WAKE
Neeraj Jain, John Palastro, T. M. Antonsen +2
The quasi-static code WAKE [P. Mora and T. Antonsen, Phys. Plasmas {\bf 4}, 217(1997)] is upgraded to model the propagation of an ultra-relativistic charged particle beam through a…
Effect of guide field on three dimensional electron shear flow instabilities in collisionless magnetic reconnection
Neeraj Jain, Jörg Büchner
We examine the effect of an external guide field and current sheet thickness on the growth rates and nature of three dimensional unstable modes of an electron current sheet driven…
Positron acceleration by plasma wake fields driven by a hollow electron beam
Neeraj Jain, T. M. Antonsen, J. P. Palastro
A scheme of wake field generation for positron acceleration using hollow or donut shaped electron driver beams is studied. An annular shaped, electron free region forms around a ho…
The energetic coupling of scales in gyrokinetic plasma turbulence
Bogdan Teaca, Alejandro Bañón Navarro, Frank Jenko
In magnetized plasma turbulence, the couplings of perpendicular spatial scales that arise due to the nonlinear interactions are analyzed from the perspective of the free-energy exc…
Acceleration of Particles in Imbalanced Magnetohydrodynamic Turbulence
Bogdan Teaca, Martin S. Weidl, Frank Jenko +1
The present work investigates the acceleration of test particles in balanced and imbalanced Alfvénic turbulence, relevant to the solar-wind problem. These turbulent states, obtaine…