Physics
Scientific paper
Apr 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..611..126k&link_type=abstract
SUPERSTRONG FIELDS IN PLASMAS: Second International Conference on Superstrong Fields in Plasmas, Second International Conference
Physics
4
Self-Focussing, Channeling, And Filamentation In Plasmas, Particle-In-Cell Method, Laser-Driven Acceleration, Laser-Plasma Acceleration Of Electrons And Ions
Scientific paper
Two dimensional particle-in-cell simulations are performed which show the formation of an extremely large electrostatic field near the front of a relativistically self-focused laser pulse propagating in an underdense plasma. The size of the field is found to reach a maximum of ~6.5 TV/m for a 100 TW laser pulse propagating over a distance of about 1 mm in a plasma at about 3% of the critical density. Along with this large electrostatic field electrons of a maximum of 195 MeV are also found to be produced. We propose using this field generated by relativistically self-focused ultraintense laser pulses to accelerate injected ions. Several factors contribute to the possible acceleration including the self-focused pulse group velocity, pulse depletion, and plasma density. .
Koga James
Nakagawa Keisuke
Nakajima Kazuhisa
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