Search Results - "Peria, W."
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1
Two-magnon frequency-pulling effect in ferromagnetic resonance
Published in Applied physics letters (26-10-2020)“…We report the experimental observation in thin films of the hybridization of the uniform ferromagnetic resonance mode with nonuniform magnons as a result of…”
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2
FAST Observations of Inertial Alfven Waves in the Dayside Aurora
Published in Geophysical research letters (15-03-1999)“…Bursts of large amplitude impulsive electric and magnetic field oscillations are a common feature observed from FAST when crossing the dayside auroral oval at…”
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3
FAST satellite observations of large-amplitude solitary structures
Published in Geophysical research letters (15-06-1998)“…We report observations of “fast solitary waves” that are ubiquitous in downward current regions of the mid‐altitude auroral zone. The single‐period structures…”
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4
FAST observations in the downward auroral current region: Energetic upgoing electron beams, parallel potential drops, and ion heating
Published in Geophysical research letters (15-06-1998)“…Observations of plasma particles and fields by the FAST satellite find evidence of acceleration of intense upgoing electron beams by quasi‐static parallel…”
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5
Ground and satellite observations of the evolution of growth phase auroral arcs
Published in Journal of Geophysical Research - Space Physics (01-09-2007)“…Auroral substorms are the result of a complex process involving coupling between the solar wind, magnetosphere and ionosphere. In this study, the objective is…”
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6
FAST satellite observations of electric field structures in the auroral zone
Published in Geophysical research letters (15-06-1998)“…Electric field and energetic particle observations by the Fast Auroral Snapshot (FAST) satellite provide convincing evidence of particle acceleration by…”
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7
Correlation of Alfvén wave Poynting flux in the plasma sheet at 4–7 RE with ionospheric electron energy flux
Published in Journal of Geophysical Research - Space Physics (01-07-2002)“…A comparison of Poynting flux in the plasma sheet at geocentric distances of 4–7 RE to the energy flux of magnetically conjugate precipitating electrons at…”
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8
Correlation of Alfvén wave Poynting flux in the plasma sheet at 4–7 R E with ionospheric electron energy flux
Published in Journal of Geophysical Research: Space Physics (01-07-2002)“…A comparison of Poynting flux in the plasma sheet at geocentric distances of 4–7 R E to the energy flux of magnetically conjugate precipitating electrons at…”
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9
Fast Auroral Snapshot observations of perpendicular DC electric field structures in downward current regions: Implications
Published in Journal of Geophysical Research - Space Physics (01-09-2006)“…FAST electric field data and ion drift moments are combined to allow full DC E⊥ (electric field perpendicular to the geomagnetic field) studies of auroral…”
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10
FAST observations of electron distributions within AKR source regions
Published in Geophysical research letters (15-06-1998)“…Observations of high‐time resolution 3‐D electron distributions within the source regions of Auroral Kilometric Radiation (AKR) are reported. In general, the…”
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11
FAST satellite wave observations in the AKR source region
Published in Geophysical research letters (15-06-1998)“…The Fast Auroral SnapshoT (FAST) satellite has made observations in the Auroral Kilometric Radiation (AKR) source region with unprecedented frequency and time…”
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12
Fast Auroral Snapshot observations of perpendicular DC electric field structures in downward auroral current regions: Morphology
Published in Journal of Geophysical Research - Space Physics (01-09-2006)“…We present an analysis of Fast Auroral Snapshot perpendicular electric field observations using both ion distributions and electric field measurements in…”
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13
Auroral polar cap boundary ion conic outflow observed on FAST
Published in Journal of Geophysical Research (01-03-2001)“…We observe large ion outflow fluxes (> 108 cm−2s−1 mapped to 100 km) flowing from the auroral polar cap boundary on many FAST auroral passes near midnight. The…”
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14
Interaction of a high-power UHF beam with the ionosphere
Published in Radio science (08-01-2010)“…In 1992 a rocket was launched into a high‐power radio beam to study its interaction with the ionosphere. The frequency of the beam, 5.1 MHz, was optimized for…”
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15
Energy characteristics of auroral electron precipitation: A comparison of substorms and pressure pulse related auroral activity
Published in Journal of Geophysical Research (01-04-2001)“…The Polar Ultraviolet Imager (UVI) observes auroral responses to incident solar wind pressure pulses and interplanetary shocks such as those associated with…”
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16
Energetic particle injections in the inner magnetosphere as a response to an interplanetary shock
Published in Journal of atmospheric and solar-terrestrial physics (2003)“…The response of the magnetosphere to interplanetary shocks or pressure pulses can result in sudden injections of energetic particles into the inner…”
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17
The auroral current circuit and field-aligned currents observed by FAST
Published in Geophysical research letters (15-06-1998)“…FAST observes signatures of small‐scale downward‐going current at the edges of the inverted‐V regions where the primary (auroral) electrons are found. In the…”
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18
Spatial structure and gradients of ion beams observed by FAST
Published in Geophysical research letters (15-06-1998)“…High time resolution measurements of ion distributions by the FAST satellite have revealed kilometer scale spatial structure in the low altitude auroral…”
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19
Fast Auroral Snapshot observations of the dependence of dayside auroral field-aligned currents on solar wind parameters and solar illumination
Published in Journal of Geophysical Research - Space Physics (01-03-2003)“…The solar illumination dependence of solar wind‐magnetosphere coupling has been studied by examining the dependence of auroral zone field‐aligned currents on…”
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20
Lobe cell convection and polar cap precipitation
Published in Journal of Geophysical Research - Space Physics (01-05-2003)“…The characteristic electric and magnetic field signature of lobe cells as observed by the low‐altitude FAST satellite in 55 dawn‐dusk passes are compared with…”
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