DOI: 10.1063/1.864823. Stochastic E × B particle transport

10.1063/1.864823

Crossref journal-article

AIP Publishing

The Physics of Fluids (317)

Abstract

The E×B particle guiding center motion caused by two propagating electrostatic waves is investigated. Particle motion is stochastic if three criteria are met: (1) the phase velocities of the two waves are not equal, (2) the E×B drift velocities generated by each wave are nearly the same, and (3) the total E×B drift velocity is larger than the phase velocity of each wave. Particle transport in the stochastic regime is distinguished by three important characteristics: (1) the diffusion coefficient is virtually independent of the electric field fluctuation amplitude Ẽ at large Ẽ, (2) particle transport is generated only by waves which produce nearly commensurate E×B drifts, and (3) the velocity correlation time does not depend on Ẽ, but rather on the wave periods. The physical mechanism underlying stochastic particle transport is discussed. At large Ẽ the transport is dominated by a small group of particles which make long jumps along the separatrix of the potential contours of the waves.

Bibliography

Kleva, R. G., & Drake, J. F. (1984). Stochastic E Ã B particle transport. The Physics of Fluids, 27(7), 1686â1698.

Authors 2

Robert G. Kleva (first)
J. F. Drake (additional)

References 12 Referenced 65

10.1088/0029-5515/1/2/003 / Nucl. Fusion (1961)
{'key': '2023072808182796300_r1a'}
{'key': '2023072808182796300_r2'}
10.1016/0003-4916(64)90205-2 / Ann. Phys. (N.Y.) (1964)
10.1063/1.1762220 / Phys. Fluids (1967)
10.1063/1.1694159 / Phys. Fluids (1973)
10.1063/1.861983 / Phys. Fluds (1977)
10.1063/1.863004 / Phys. Fluids (1980)
{'key': '2023072808182796300_r7'}
10.1103/PhysRevA.14.2338 / Phys. Rev. A (1976)
10.1063/1.862512 / Phys. Fluids (1979)
10.1063/1.863586 / Phys. Fluids (1981)

Dates

Type	When
Created	22 years, 5 months ago (March 7, 2003, 3:41 p.m.)
Deposited	2 years ago (July 28, 2023, 4:18 a.m.)
Indexed	1 month ago (July 24, 2025, 7:19 a.m.)
Issued	41 years, 1 month ago (July 1, 1984)
Published	41 years, 1 month ago (July 1, 1984)
Published Print	41 years, 1 month ago (July 1, 1984)

Funders 0

None

BibTeX

@article{Kleva_1984, title={Stochastic E × B particle transport}, volume={27}, ISSN={0031-9171}, url={http://dx.doi.org/10.1063/1.864823}, DOI={10.1063/1.864823}, number={7}, journal={The Physics of Fluids}, publisher={AIP Publishing}, author={Kleva, Robert G. and Drake, J. F.}, year={1984}, month=jul, pages={1686–1698} }

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