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Nonlinear electromagnetic phenomena in the relativistic interaction of ultrahigh intensity laser pulses with plasmas

Published online by Cambridge University Press:  09 April 2001

F. PEGORARO
Affiliation:
Dipartimento di Fisica, Università di Pisa and INFM, Pisa, Italy
S.V. BULANOV
Affiliation:
General Physics Institute RAS, Moscow, Russia
F. CALIFANO
Affiliation:
Istituto Nazionale Fisica della Materia, Pisa, Italy
T.ZH. ESIRKEPOV
Affiliation:
Moscow Institute of Physics and Technology, Dolgoprudny, Russia
T.V. LISEIKINA
Affiliation:
Institute of Computation Technology, SD RAS, Novosibirsk, Russia
N.M. NAUMOVA
Affiliation:
General Physics Institute RAS, Moscow, Russia
H. RUHL
Affiliation:
Max-Born-Institut für Nichtlineare Optik, Berlin, Germany
V.A. VSHIVKOV
Affiliation:
Institute of Computation Technology, SD RAS, Novosibirsk, Russia

Abstract

2D, low-frequency, relativistic solitary waves have been found recently in 2D. Particle-in-cell simulations of ultraintense laser pulses propagating in underdense plasmas, in regimes where the laser pulse undergoes energy depletion and downshifting of its frequency. These slowly propagating, spatially localized, electromagnetic structures represent an important channel of energy conversion from the laser pulse to the plasma. Pulse energy can also be converted into fast propagating structures, associated with collimated beams of ultrarelativistic electrons. Lienard–Wiechert magnetic field structures have been observed in PIC simulations to move together with focalized ultrarelativistic electron beams in the plasma.

Type
ULIA-1 CONFERENCE PAPERS
Copyright
© 2000 Cambridge University Press

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