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13 papers · 1 filter
Monads on projective varieties
Simone Marchesi, Pedro Macias Marques, Helena Soares
We generalise Fløystad's theorem on the existence of monads on the projective space to a larger set of projective varieties. We consider a variety , a line bundle on , an…
Quasinormal modes and Strong Cosmic Censorship
Vitor Cardoso, Joao L. Costa, Kyriakos Destounis +2
The fate of Cauchy horizons, such as those found inside charged black holes, is intrinsically connected to the decay of small perturbations exterior to the event horizon. As such,…
Conditions for the onset of the current filamentation instability in the laboratory
N. Shukla, J. Vieira, P. Muggli +3
Current Filamentation Instability (CFI) is capable of generating strong magnetic fields relevant to explain radiation processes in astrophysical objects and lead to the onset of pa…
Interaction between electrostatic collisionless shocks generates strong magnetic fields
E. Boella, K. Schoeffler, N. Shukla +3
The head-on collision between electrostatic shocks is studied via multi-dimensional Particle-In-Cell simulations. It is found that the shock velocities drop significantly and a str…
Ion acceleration in electrostatic collisionless shock: on the optimal density profile for quasi-monoenergetic beams
E. Boella, F. Fiúza, A. Stockem Novo +2
A numerical study on ion acceleration in electrostatic shock waves is presented, with the aim of determining the best plasma configuration to achieve quasi-monoenergetic ion beams…
AWAKE readiness for the study of the seeded self-modulation of a 400\,GeV proton bunch
P. Muggli, E. Adli, R. Apsimon +104
AWAKE is a proton-driven plasma wakefield acceleration experiment. % We show that the experimental setup briefly described here is ready for systematic study of the seeded self-mod…