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Discovery of the action of a geophysical synchrotron in the Earth’s Van Allen radiation belts

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Discovery of the action of a geophysical synchrotron in the Earth’s Van Allen radiation belts. / Mann, Ian R.; Lee, E.A.; Claudepierre, S. G. et al.
In: Nature Communications, Vol. 4, 2795, 19.11.2013.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Mann, IR, Lee, EA, Claudepierre, SG, Fennell, JF, Degeling, A, Rae, IJ, Baker, DN, Reeves, GD, Spence, HE, Ozeke, LG, Rankin, R, Milling, DK, Kale, A, Friedel, RWH & Honary, F 2013, 'Discovery of the action of a geophysical synchrotron in the Earth’s Van Allen radiation belts', Nature Communications, vol. 4, 2795. https://doi.org/10.1038/ncomms3795

APA

Mann, I. R., Lee, E. A., Claudepierre, S. G., Fennell, J. F., Degeling, A., Rae, I. J., Baker, D. N., Reeves, G. D., Spence, H. E., Ozeke, L. G., Rankin, R., Milling, D. K., Kale, A., Friedel, R. W. H., & Honary, F. (2013). Discovery of the action of a geophysical synchrotron in the Earth’s Van Allen radiation belts. Nature Communications, 4, Article 2795. https://doi.org/10.1038/ncomms3795

Vancouver

Mann IR, Lee EA, Claudepierre SG, Fennell JF, Degeling A, Rae IJ et al. Discovery of the action of a geophysical synchrotron in the Earth’s Van Allen radiation belts. Nature Communications. 2013 Nov 19;4:2795. doi: 10.1038/ncomms3795

Author

Mann, Ian R. ; Lee, E.A. ; Claudepierre, S. G. et al. / Discovery of the action of a geophysical synchrotron in the Earth’s Van Allen radiation belts. In: Nature Communications. 2013 ; Vol. 4.

Bibtex

@article{548666b9cc91481a88a47dd9632a9321,
title = "Discovery of the action of a geophysical synchrotron in the Earth{\textquoteright}s Van Allen radiation belts",
abstract = "Although the Earth{\textquoteright}s Van Allen radiation belts were discovered over 50 years ago, the dominant processes responsible for relativistic electron acceleration, transport and loss remain poorly understood. Here we show evidence for the action of coherent acceleration due to resonance with ultra-low frequency waves on a planetary scale. Data from the CRRES probe, and from the recently launched multi-satellite NASA Van Allen Probes mission, with supporting modelling, collectively show coherent ultra-low frequency interactions which highenergy resolution data reveals are far more common than either previously thought or observed. The observed modulations and energy-dependent spatial structure indicate a mode of action analogous to a geophysical synchrotron; this new mode of response represents a significant shift in known Van Allen radiation belt dynamics and structure. These periodic collisionless betatron acceleration processes also have applications in understanding the dynamics of, and periodic electromagnetic emissions from, distant plasma-astrophysical systems.",
author = "Mann, {Ian R.} and E.A. Lee and Claudepierre, {S. G.} and Fennell, {J. F.} and A. Degeling and Rae, {I. J.} and D.N. Baker and Reeves, {G. D.} and Spence, {H. E.} and Ozeke, {L. G.} and R. Rankin and Milling, {David K.} and A. Kale and Friedel, {R. W. H.} and Farideh Honary",
year = "2013",
month = nov,
day = "19",
doi = "10.1038/ncomms3795",
language = "English",
volume = "4",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "Nature Publishing Group",

}

RIS

TY - JOUR

T1 - Discovery of the action of a geophysical synchrotron in the Earth’s Van Allen radiation belts

AU - Mann, Ian R.

AU - Lee, E.A.

AU - Claudepierre, S. G.

AU - Fennell, J. F.

AU - Degeling, A.

AU - Rae, I. J.

AU - Baker, D.N.

AU - Reeves, G. D.

AU - Spence, H. E.

AU - Ozeke, L. G.

AU - Rankin, R.

AU - Milling, David K.

AU - Kale, A.

AU - Friedel, R. W. H.

AU - Honary, Farideh

PY - 2013/11/19

Y1 - 2013/11/19

N2 - Although the Earth’s Van Allen radiation belts were discovered over 50 years ago, the dominant processes responsible for relativistic electron acceleration, transport and loss remain poorly understood. Here we show evidence for the action of coherent acceleration due to resonance with ultra-low frequency waves on a planetary scale. Data from the CRRES probe, and from the recently launched multi-satellite NASA Van Allen Probes mission, with supporting modelling, collectively show coherent ultra-low frequency interactions which highenergy resolution data reveals are far more common than either previously thought or observed. The observed modulations and energy-dependent spatial structure indicate a mode of action analogous to a geophysical synchrotron; this new mode of response represents a significant shift in known Van Allen radiation belt dynamics and structure. These periodic collisionless betatron acceleration processes also have applications in understanding the dynamics of, and periodic electromagnetic emissions from, distant plasma-astrophysical systems.

AB - Although the Earth’s Van Allen radiation belts were discovered over 50 years ago, the dominant processes responsible for relativistic electron acceleration, transport and loss remain poorly understood. Here we show evidence for the action of coherent acceleration due to resonance with ultra-low frequency waves on a planetary scale. Data from the CRRES probe, and from the recently launched multi-satellite NASA Van Allen Probes mission, with supporting modelling, collectively show coherent ultra-low frequency interactions which highenergy resolution data reveals are far more common than either previously thought or observed. The observed modulations and energy-dependent spatial structure indicate a mode of action analogous to a geophysical synchrotron; this new mode of response represents a significant shift in known Van Allen radiation belt dynamics and structure. These periodic collisionless betatron acceleration processes also have applications in understanding the dynamics of, and periodic electromagnetic emissions from, distant plasma-astrophysical systems.

U2 - 10.1038/ncomms3795

DO - 10.1038/ncomms3795

M3 - Journal article

VL - 4

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

M1 - 2795

ER -