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APS » Journals » Phys. Rev. E » Volume 58 » Issue 5
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Phys. Rev. E 58, R5257–R5260 (1998)

Particle injection into the wave acceleration phase due to nonlinear wake wave breaking

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S. Bulanov1,2, N. Naumova1,3, F. Pegoraro4, and J. Sakai5
1General Physics Institute RAS, Moscow, Russia
2Scuola Normale Superiore, Pisa, Italy
3Forum for Theoretical Physics, INFM, Pisa, Italy
4Dipartimento di Fisica, Università di Pisa and INFM, Pisa, Italy
5Laboratory for Plasma Astrophysics, Faculty of Engineering Toyama University, Toyama, Japan

Received 4 June 1998; published in the issue dated November 1998

We present analytical results and computer simulations of the nonlinear evolution of wake field waves in inhomogeneous plasmas. The wake wave break that occurs due to the inhomogeneity of the Langmuir frequency makes it possible to inject electrons into the acceleration phase of the wave. Particle-in-cell simulations show that stable beams of energetic electrons are formed. These beams are well bunched in coordinate and velocity space and contain a considerable fraction of the pulse energy

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.58.R5257
DOI:
10.1103/PhysRevE.58.R5257
PACS:
52.40.Nk, 41.75.Lx, 52.65.Rr, 52.75.Di
 
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