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Physics of Plasmas / Volume 14 / Issue 5 / INVITED PAPERS / Lasers, Particle Beams, Accelerators, Radiation Generation

Phys. Plasmas 14, 056705 (2007); http://dx.doi.org/10.1063/1.2436847 (9 pages)

Collective temperature anisotropy instabilities in intense charged particle beams a

a Paper WI1 3, Bull. Am. Phys. Soc. 51, 333 (2006).
Edward A. Startsev, Ronald C. Davidson, and Hong Qin

Plasma Physics Laboratory, Princeton University, Princeton, New Jersey 08543

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(Received 9 November 2006; accepted 12 December 2006; published online 22 March 2007)

The classical electrostatic Harris instability and the electromagnetic Weibel instability, both driven by a large temperature anisotropy (T‖b/T⊥b⪡1) that develops naturally in accelerators, are generalized to the case of a one-component intense charged particle beam with anisotropic temperature, including the important effects of finite transverse geometry and beam space-charge. Such instabilities may lead to an increase in the longitudinal velocity spread, which makes focusing the beam difficult, and may impose a limit on the beam luminosity and the minimum spot size achievable in focusing experiments. This paper describes recent advances in the theory and simulation of collective instabilities in intense charged particle beams caused by large temperature anisotropy. The new simulation tools that have been developed to study these instabilities are also described. Results of the investigations that identify the instability growth rates, levels of saturations, and conditions for quiescent beam propagation are also discussed.

© 2007 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. THE ELECTROSTATIC HARRIS INSTABILITY
  3. THE ELECTROMAGNETIC WEIBEL INSTABILITY
  4. DESCRIPTION OF BEAM EIGENMODE AND SPECTRA (BEAST) CODE
  5. DESCRIPTION OF BEAM EQUILIBRIUM, STABILITY, AND TRANSPORT (BEST) CODE
  6. NUMERICAL SIMULATIONS OF THE HARRIS AND WEIBEL INSTABILITIES
  7. CONCLUSIONS

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KEYWORDS and PACS

Keywords

plasma instability, plasma temperature, particle beams, plasma-beam interactions, plasma electrostatic waves, space charge waves, plasma transport processes, plasma simulation

PACS

  • 52.35.Py

    Macroinstabilities (hydromagnetic, e.g., kink, fire-hose, mirror, ballooning, tearing, trapped-particle, flute, Rayleigh-Taylor, etc.)

  • 52.40.Mj

    Particle beam interactions in plasmas

  • 52.35.Fp

    Electrostatic waves and oscillations (e.g., ion-acoustic waves)

  • 52.25.Fi

    Transport properties

  • 52.65.Rr

    Particle-in-cell method

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.2436847

PUBLICATION DATA

ISSN

1070-664X (print)  
1089-7674 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    E. A. Startsev, R. C. Davidson, and H. Qin, Phys. Rev. ST Accel. Beams 8, 124201 (2005).

    E. A. Startsev, R. C. Davidson, and H. Qin, Phys. Rev. ST Accel. Beams 6, 084401 (2003).

    E. A. Startsev, R. C. Davidson, and H. Qin, Phys. Plasmas 9, 3138 (2002)PHPAEN000009000007003138000001.

    H. Qin, R. C. Davidson, and W. W. Lee, Phys. Rev. ST Accel. Beams 3, 084401 (2000)
    3, 109901 (2000).

    P. H. Stoltz, R. C. Davidson, and W. W. Lee, Phys. Plasmas 6, 298 (1999)PHPAEN000006000001000298000001.

    E. G. Harris, Phys. Rev. Lett. 2, 34 (1959).

    E. A. Startsev and R. C. Davidson, Phys. Plasmas 10, 4829 (2003)PHPAEN000010000012004829000001.

    T.-S. Wang, Phys. Rev. ST Accel. Beams 7, 024201 (2004).

    I. Haber, A. Friedman, D. P. Grote, S. M. Lund, and R. A. Kishek, Phys. Plasmas 6, 2254 (1999)PHPAEN000006000005002254000001.

    R. C. Davidson, W. W. Lee, H. Qin, and E. A. Startsev, Phys. Plasmas 9, 340 (2002)PHPAEN000009000001000340000001.

    E. S. Weibel, Phys. Rev. Lett. 2, 83 (1959).

    R. C. Davidson, D. A. Hammer, I. Haber, and C. E. Wagner, Phys. Fluids 15, 317 (1972)PFLDAS000015000002000317000001.

    R. Lee and M. Lampe, Phys. Rev. Lett. 31, 1390 (1973).

    C. A. Kapetanakos, Appl. Phys. Lett. 25, 484 (1974)APPLAB000025000009000484000001.

    S. E. Parker and W. W. Lee, Phys. Fluids B 5, 77 (1993)PFBPEI000005000001000077000001.


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