Search Results - (Author, Cooperation:R. E. Ergun)

Showing 1 - 13 results of 13, query time: 0.20s Refine Results
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    Staff View
    Publication Date:
    2018-02-14
    Publisher:
    American Physical Society (APS)
    Print ISSN:
    0031-9007
    Electronic ISSN:
    1079-7114
    Topics:
    Physics
    Keywords:
    Plasma and Beam Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
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    J. L. Burch ; R. B. Torbert ; T. D. Phan ; L. J. Chen ; T. E. Moore ; R. E. Ergun ; J. P. Eastwood ; D. J. Gershman ; P. A. Cassak ; M. R. Argall ; S. Wang ; M. Hesse ; C. J. Pollock ; B. L. Giles ; R. Nakamura ; B. H. Mauk ; S. A. Fuselier ; C. T. Russell ; R. J. Strangeway ; J. F. Drake ; M. A. Shay ; Y. V. Khotyaintsev ; P. A. Lindqvist ; G. Marklund ; F. D. Wilder ; D. T. Young ; K. Torkar ; J. Goldstein ; J. C. Dorelli ; L. A. Avanov ; M. Oka ; D. N. Baker ; A. N. Jaynes ; K. A. Goodrich ; I. J. Cohen ; D. L. Turner ; J. F. Fennell ; J. B. Blake ; J. Clemmons ; M. Goldman ; D. Newman ; S. M. Petrinec ; K. J. Trattner ; B. Lavraud ; P. H. Reiff ; W. Baumjohann ; W. Magnes ; M. Steller ; W. Lewis ; Y. Saito ; V. Coffey ; M. Chandler
    American Association for the Advancement of Science (AAAS)
    Published 2016
    Staff View
    Publication Date:
    2016-05-14
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
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    L. Andersson ; T. D. Weber ; D. Malaspina ; F. Crary ; R. E. Ergun ; G. T. Delory ; C. M. Fowler ; M. W. Morooka ; T. McEnulty ; A. I. Eriksson ; D. J. Andrews ; M. Horanyi ; A. Collette ; R. Yelle ; B. M. Jakosky
    American Association for the Advancement of Science (AAAS)
    Published 2015
    Staff View
    Publication Date:
    2015-11-07
    Publisher:
    American Association for the Advancement of Science (AAAS)
    Print ISSN:
    0036-8075
    Electronic ISSN:
    1095-9203
    Topics:
    Biology
    Chemistry and Pharmacology
    Computer Science
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
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    Newman, D. L. ; Goldman, M. V. ; Ergun, R. E.

    [S.l.] : American Institute of Physics (AIP)
    Published 1994
    Staff View
    ISSN:
    1089-7674
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    Beam-driven Langmuir turbulence is studied in two moderately magnetized (Ωe≈ωe) space-plasma regimes: regions of the lower solar corona and the Earth's auroral ionosphere. The turbulence is modeled using modified Zakharov equations, which are employed in two-dimensional numerical simulations. For coronal parameters, highly anisotropic coherent wave packets form and collapse when Ωe〈ωe. By contrast, the turbulence is phase incoherent when Ωe(approximately-greater-than)ωe, as a result of change in the topology of the Langmuir dispersion relation. In the auroral ionosphere, intense Langmuir waves (up to 500 mV/m) have been measured, in conjunction with field-aligned electron streams and nonthermal electron tails. Approximate agreement with high-time-resolution electric-field measurements, is found in the simulations. However, because of strong damping on nonthermal electrons, wave collapse is inhibited, irrespective of the ordering of Ωe and ωe.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses