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  Stochastic heating and acceleration of electrons in colliding laser fields in plasma

Sheng, Z. M., Mima, K., Sentoku, Y., Jovanovic, M. S., Taguchi, T., Zhang, J., et al. (2002). Stochastic heating and acceleration of electrons in colliding laser fields in plasma. Physical Review Letters, 88(5): 055004. 055004. Retrieved from http://link.aps.org/abstract/PRL/v88/e055004.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-C251-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-C252-4
Genre: Journal Article

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 Creators:
Sheng, Z. M., Author
Mima, K., Author
Sentoku, Y., Author
Jovanovic, M. S., Author
Taguchi, T., Author
Zhang, J., Author
Meyer-ter-Vehn, J.1, 2, Author              
Affiliations:
1Laboratory for Attosecond Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445564              
2Laser Plasma Physics, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445567              

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 Abstract: We propose a mechanism that leads to efficient acceleration of electrons in plasma by two counterpropagating laser pulses. It is triggered by stochastic motion of electrons when the laser fields exceed some threshold amplitudes, as found in single- electron dynamics. It is further confirmed in particle-in-cell simulations. In vacuum or tenuous plasma, electron acceleration in the case with two colliding laser pulses can be much more efficient than with one laser pulse only. In plasma at moderate densities, such as a few percent of the critical density, the amplitude of the Raman-backscattered wave is high enough to serve as the second counterpropagating pulse to trigger the electron stochastic motion. As a result, even with one intense laser pulse only, electrons can be heated up to a temperature much higher than the corresponding laser ponderomotive potential.

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Language(s): eng - English
 Dates: 2002-02-01
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Degree: -

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Title: Physical Review Letters
  Alternative Title : Phys. Rev. Lett.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 88 (5) Sequence Number: 055004 Start / End Page: - 055004 Identifier: ISSN: 0031-9007