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Newman DL, Goldman MV, Ergun RE, et al. Formation of double layers and electron holes in a current-driven space plasma. Phys Rev Lett. 2001;87(25):255001doi: 10.1103/PhysRevLett.87.255001.
Newman, D. L., Goldman, M. V., Ergun, R. E., & Mangeney, A. (2001). Formation of double layers and electron holes in a current-driven space plasma. Physical review letters, 87(25), 255001. https://doi.org/10.1103/PhysRevLett.87.255001
Newman, D L, et al. "Formation of double layers and electron holes in a current-driven space plasma." Physical review letters vol. 87,25 (2001): 255001. doi: https://doi.org/10.1103/PhysRevLett.87.255001
Newman DL, Goldman MV, Ergun RE, Mangeney A. Formation of double layers and electron holes in a current-driven space plasma. Phys Rev Lett. 2001 Dec 17;87(25):255001. doi: 10.1103/PhysRevLett.87.255001. Epub 2001 Nov 28. PMID: 11736583.
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Phys Rev Lett. 2001 Dec 17;87(25):255001. doi: 10.1103/PhysRevLett.87.255001. Epub 2001 Nov 28.

Formation of double layers and electron holes in a current-driven space plasma.

Physical review letters

D L Newman, M V Goldman, R E Ergun, A Mangeney

Affiliations

  1. Center for Integrated Plasma Studies, University of Colorado at Boulder, Boulder, Colorado 80309, USA. [email protected]

PMID: 11736583 DOI: 10.1103/PhysRevLett.87.255001

Abstract

Kinetic 1D simulations reveal that a weak density depression in a current-carrying plasma can lead to the formation of a strong potential ramp (double layer). The ramp and plasma turbulence it creates share many features with recent particle and field measurements in the auroral ionosphere. An electron beam accelerated by the ramp produces a series of propagating electron phase-space holes via a spatial two-stream instability. Electron heating associated with the formation and merging of these holes is found to influence the subsequent evolution of the potential ramp.

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