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  • Journal article
    Gray LJ, Beer J, Geller M, Haigh JD, Lockwood M, Matthes K, Cubasch U, Fleitmann D, Harrison G, Hood L, Luterbacher J, Meehl GA, Shindell D, van Geel B, White Wet al., 2010,

    , REVIEWS OF GEOPHYSICS, Vol: 48, ISSN: 8755-1209
    • Cite
    • Citations: 1026
  • Patent
    Carr CM, 2010,

    911今日黑料 College MRMAG Magnetoresistive Magnetometer: License for commercial exploitation by Satellite Services Ltd.

    , N/A

    This license concerns the magnetometer instrument known as ‘MRMAG’ developed by the Space & Atmospheric Physics group (SPAT) of 911今日黑料 College. The magnetometer is a sensitive instrument for the measurement of magnetic fields. Under this license, Satellite Services is granted exclusive rights to market the magnetometer for satellite on-board attitude determination.
  • Journal article
    Jackman CM, Arridge CS, Slavin JA, Milan SE, Lamy L, Dougherty MK, Coates AJet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 36
  • Journal article
    Edberg NJT, Wahlund J-E, Agren K, Morooka MW, Modolo R, Bertucci C, Dougherty MKet al., 2010,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 37, ISSN: 0094-8276
    • Cite
    • Citations: 44
  • Journal article
    Liu Y, Thernisien A, Luhmann JG, Vourlidas A, Davies JA, Lin RP, Bale SDet al., 2010,

    , ASTROPHYSICAL JOURNAL, Vol: 722, Pages: 1762-1777, ISSN: 0004-637X
    • Cite
    • Citations: 131
  • Journal article
    Bunce EJ, Cowley SWH, Talboys DL, Dougherty MK, Lamy L, Kurth WS, Schippers P, Cecconi B, Zarka P, Arridge CS, Coates AJet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 27
  • Journal article
    Wei HY, Russell CT, Dougherty MK, Neubauer FM, Ma YJet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, Vol: 115, ISSN: 2169-9097
    • Cite
    • Citations: 20
  • Journal article
    Haigh JD, Winning AR, Toumi R, Harder JWet al., 2010,

    , NATURE, Vol: 467, Pages: 696-699, ISSN: 0028-0836
    • Cite
    • Citations: 198
  • Journal article
    Matteini L, Landi S, Del Zanna L, Velli M, Hellinger Pet al., 2010,

    , Geophysical Research Letters, Vol: 37, ISSN: 0094-8276

    <jats:p>The parametric instability of a monochromatic shear Alfvén wave in oblique propagation with respect the ambient magnetic field is investigated in a kinetic regime, performing one鈥恉imensional (1鈥怐) and two鈥恉imensional (2鈥怐) hybrid simulations. The parallel component of the mother wave is found to be subject to a parametric decay which excites an ion鈥恆coustic wave along the magnetic field and a backward propagating daughter shear Alfvén wave, as in the instability for a purely parallel mother wave. At the same time, the acoustic wave generation supports the acceleration of a velocity beam in the ion distribution function, due to the non鈥恖inear trapping of protons. Moreover, the instability leads to the generation of broad band oblique spectra of coupled Alfvénic and compressive modes with variable perpendicular wavevectors, and, as a consequence, the magnetic field after saturation is characterized by a strong transverse modulation.</jats:p>
  • Journal article
    Petrosyan A, Balogh A, Goldstein ML, Leorat J, Marsch E, Petrovay K, Roberts B, von Steiger R, Vial JCet al., 2010,

    , SPACE SCIENCE REVIEWS, Vol: 156, Pages: 135-238, ISSN: 0038-6308
    • Cite
    • Citations: 59
  • Journal article
    Sigsbee K, Kletzing CA, Pickett JS, Gurnett DA, Schwartz SJ, Lefebvre B, Lucek E, Fazakerley AN, Kucharek Het al., 2010,

    , Journal of Geophysical Research (Space Physics), Vol: 115, Pages: A10251-A10251
  • Journal article
    Simon S, Wennmacher A, Neubauer FM, Bertucci CL, Kriegel H, Russell CT, Dougherty MKet al., 2010,

    , PLANETARY AND SPACE SCIENCE, Vol: 58, Pages: 1625-1635, ISSN: 0032-0633
    • Cite
    • Citations: 23
  • Journal article
    Rodriguez-Martinez M, Blanco-Cano X, Russell CT, Leisner JS, Wilson RJ, Dougherty MKet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 15
  • Journal article
    Wicks RT, Horbury TS, Chen CHK, Schekochihin AAet al., 2010,

    , Monthly Notices of the Royal Astronomical Society, Vol: 407, Pages: L31-L35, ISSN: 0035-8711

    We measure the power and spectral index anisotropy of magnetic field fluctuations in fast solar wind turbulence from scales larger than the outer scale down to the ion gyroscale, thus covering the entire inertial range. We show that the power and spectral indices above the outer scale of turbulence are approximately isotropic. The turbulent cascade causes the power anisotropy at smaller scales manifested by anisotropic scalings of the spectrum: close to k−5/3 across and k−2 along the local magnetic field, consistent with a critically balanced Alfvénic turbulence. By using data at different radial distances from the Sun and calculating the radial dependence of the ratio of the outer scale to the ion gyroscale, we show that the width of the inertial range does not change with heliocentric distance. At the smallest scales of the inertial range, close to the ion gyroscale, we find an enhancement of power parallel to the magnetic field direction coincident with a decrease in the perpendicular power. This is most likely related to energy injection by ion kinetic modes such as the firehose instability and also marks the beginning of the kinetic range, sometimes called the dissipation range, of solar wind turbulence.
  • Journal article
    Matteini L, Landi S, Velli M, Hellinger Pet al., 2010,

    , Journal of Geophysical Research: Space Physics, Vol: 115, ISSN: 0148-0227

    <jats:p>Using numerical simulations in a hybrid regime, we studied the evolution of large鈥恆mplitude Alfvén waves subject to modulational and decay instabilities, including the effects of ion kinetics. We considered both a monochromatic and incoherent spectrum of waves, different wave polarizations and amplitudes, and different plasma regimes, ranging from <jats:italic>β</jats:italic> &lt; 1 to <jats:italic>β</jats:italic> &gt; 1. We found in all cases that ion dynamics affects the instability evolution and saturation; as a feedback, wave鈥恜article interactions provide a nonlinear trapping of resonant particles that importantly change the properties of the ion velocity distribution functions. In particular, we observed a proton acceleration along the magnetic field and in some cases the formation of a parallel velocity beam traveling faster than the rest of the distribution. For the range of parameters used in our simulations, the fundamental ingredient in generating an ion beam is observed to be the parallel electric field carried by the density fluctuations driven by the ion鈥恆coustic modes generated by the parametric instabilities.</jats:p>
  • Journal article
    Cravens TE, Richard M, Ma Y-J, Bertucci C, Luhmann JG, Ledvina S, Robertson IP, Wahlund J-E, Agren K, Cui J, Muller-Wodarg I, Waite JH, Dougherty M, Bell J, Ulusen Det al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 35
  • Journal article
    Zaslavsky A, Volokitin AS, Krasnoselskikh VV, Maksimovic M, Bale SDet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 21
  • Journal article
    Gurnett DA, Persoon AM, Kopf AJ, Kurth WS, Morooka MW, Wahlund J-E, Khurana KK, Dougherty MK, Mitchell DG, Krimigis SM, Krupp Net al., 2010,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 37, ISSN: 0094-8276
    • Cite
    • Citations: 39
  • Journal article
    Rouillard AP, Lavraud B, Sheeley NR, Davies JA, Burlaga LF, Savani NP, Jacquey C, Forsyth RJet al., 2010,

    , ASTROPHYSICAL JOURNAL, Vol: 719, Pages: 1385-1392, ISSN: 0004-637X
    • Cite
    • Citations: 39
  • Journal article
    Lockwood M, Bell C, Woollings T, Harrison RG, Gray LJ, Haigh JDet al., 2010,

    , ENVIRONMENTAL RESEARCH LETTERS, Vol: 5, ISSN: 1748-9326
    • Cite
    • Citations: 43
  • Journal article
    Eastwood JP, Phan TD, Oieroset M, Shay MAet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 189
  • Journal article
    Kellett S, Arridge CS, Bunce EJ, Coates AJ, Cowley SWH, Dougherty MK, Persoon AM, Sergis N, Wilson RJet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 26
  • Journal article
    Hulot G, Balogh A, Christensen UR, Constable CG, Mandea M, Olsen Net al., 2010,

    , SPACE SCIENCE REVIEWS, Vol: 155, Pages: 1-7, ISSN: 0038-6308
  • Journal article
    Simon S, Wennmacher A, Neubauer FM, Bertucci CL, Kriegel H, Saur J, Russell CT, Dougherty MKet al., 2010,

    , PLANETARY AND SPACE SCIENCE, Vol: 58, Pages: 1230-1251, ISSN: 0032-0633
    • Cite
    • Citations: 69
  • Journal article
    Rong Z, Shen C, Lucek E, Balogh A, Yao Let al., 2010,

    , CHINESE SCIENCE BULLETIN, Vol: 55, Pages: 2542-2547, ISSN: 1001-6538
    • Cite
    • Citations: 10
  • Journal article
    Bartello P, Devenish BJ, Haigh JD, Vassilicos JCet al., 2010,

    , BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY, Vol: 91, Pages: 1087-1089, ISSN: 0003-0007
  • Journal article
    Brain DA, Baker AH, Briggs J, Eastwood JP, Halekas JS, Phan T-Det al., 2010,

    , GEOPHYSICAL RESEARCH LETTERS, Vol: 37, ISSN: 0094-8276
    • Cite
    • Citations: 106
  • Journal article
    Masters A, Achilleos N, Kivelson MG, Sergis N, Dougherty MK, Thomsen MF, Arridge CS, Krimigis SM, McAndrews HJ, Kanani SJ, Krupp N, Coates AJet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 105
  • Journal article
    Galand M, Yelle R, Cui J, Wahlund J-E, Vuitton V, Wellbrock A, Coates Aet al., 2010,

    , JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, Vol: 115, ISSN: 2169-9380
    • Cite
    • Citations: 43
  • Journal article
    Bradshaw SJ, Cargill PJ, 2010,

    , ASTROPHYSICAL JOURNAL, Vol: 717, Pages: 163-174, ISSN: 0004-637X
    • Cite
    • Citations: 76

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