5 papers · 1 filter
Plasma rotation driven by lasers with zero angular momentum
Camilla Willim, Thales Silva, LuÃs Oliveira Silva +1
We present a novel mechanism in which plasma electrons and ions optically acquire angular momentum during local pump depletion of an azimuthally polarized laser, despite the laser…
The electron cyclotron maser instability in laser-ionized plasmas
Thales Silva, Pablo J. Bilbao, Luis O. Silva
We show that circularly polarized lasers create plasmas with long-lasting ring-shaped weakly relativistic momentum distributions which, in the presence of an ambient magnetic field…
Radiative cooling induced coherent maser emission in relativistic plasmas
Pablo J. Bilbao, Thales Silva, Luis O. Silva
Relativistic plasmas in strong electromagnetic fields exhibit distinct properties compared to classical plasmas. In astrophysical environments, such as neutron stars, white dwarfs,…
Relaxation to universal non-Maxwellian equilibria in a collisionless plasma
Robert J. Ewart, Michael L. Nastac, Pablo J. Bilbao +3
Generic equilibria are derived for turbulent relaxing plasmas via an entropy-maximization procedure that accounts for the short-time conservation of certain collisionless invariant…
Ring momentum distributions as a general feature of Vlasov dynamics in the synchrotron dominated regime
Pablo. J. Bilbao, Robert J. Ewart, Francisco Assunçao +2
We study how radiation reaction leads plasmas initially in kinetic equilibrium to develop features in momentum space, such as anisotropies and population inversion, resulting in a…