Results 41 to 50 of about 110,170 (299)

The Phase Space Density Evolution of Radiation Belt Electrons under the Action of Solar Wind Dynamic Pressure

open access: yesMagnetochemistry, 2023
Earth’s radiation belt and ring current are donut-shaped regions of energetic and relativistic particles, trapped by the geomagnetic field. The strengthened solar wind dynamic pressure (Pdyn) can alter the structure of the geomagnetic field, which can ...
Peng Hu   +8 more
doaj   +1 more source

Precipitation of Radiation Belt Electrons by EMIC Waves With Conjugated Observations of NOAA and Van Allen Satellites

open access: yesGeophysical Research Letters, 2018
In this letter, we present unique conjugated satellite observations of MeV relativistic electron precipitation caused by electromagnetic ion cyclotron (EMIC) waves. On the outer boundary of the plasmasphere, the Van Allen probe observed EMIC waves.
Zhigang Yuan   +6 more
doaj   +1 more source

The 600 keV electron injections in the Earth’s outer radiation belt: A statistical study

open access: yesEarth and Planetary Physics, 2022
Relativistic electron injections are one of the mechanisms of relativistic (≥0.5 MeV) electron enhancements in the Earth’s outer radiation belt. In this study, we present a statistical observation of 600 keV electron injections in the outer radiation ...
ChaoLing Tang   +4 more
doaj   +1 more source

Prompt energization of relativistic and highly relativistic electrons during a substorm interval: Van Allen Probes observations [PDF]

open access: yes, 2014
On 17 March 2013, a large magnetic storm significantly depleted the multi-MeV radiation belt. We present multi-instrument observations from the Van Allen Probes spacecraft Radiation Belt Storm Probe A and Radiation Belt Storm Probe B at ~6 Re in the ...
Baker   +30 more
core   +3 more sources

Atomic‐Scale Light Coupling Control in Ultrathin Photonic Membranes

open access: yesAdvanced Functional Materials, EarlyView.
Ultrathin photonic nanomembranes provide atomic‐scale control over the coupling between incident light and high‐Q photonic modes, enabling angstrom‐level resonance tuning and strong field confinement. When integrated with TMD monolayers, they further yield enhanced light–matter interactions, offering a versatile platform for advancing quantum photonics,
Chih‐Zong Deng   +8 more
wiley   +1 more source

Pc5 Magnetic Pulsations during the Outer Electron Radiation Belt

open access: yesInternational Journal of Technology, 2014
Since the discovery of the radiation belt decades ago, there still remain some fundamental questions as to which one is the mechanism responsible for the acceleration of electrons. Ground-based Pc5 magnetic pulsation during the process of increasing of 2-
L. Muhammad Musafar K   +4 more
doaj   +1 more source

Radial Transport Versus Local Acceleration: The Long‐Standing Debate

open access: yesEarth and Space Science, 2022
On 28 July 2021, within the Geospace Environment Modeling Virtual Summer Workshop, a joint panel discussion organized by the “System Understanding of Radiation Belt Particle Dynamics through Multi‐spacecraft and Ground‐based Observations and Modeling ...
Alexander Y. Drozdov   +8 more
doaj   +1 more source

The Chandra X-Ray Observatory's Radiation Environment and the AP-8/AE-8 Model

open access: yes, 2000
The Chandra X-ray Observatory (CXO) was launched on July 23, 1999 and reached its final orbit on August 7, 1999. The CXO is in a highly elliptical orbit, approximately 140,000 km x 10,000 km, and has a period of approximately 63.5 hours (~ 2.65 days). It
Butt, Yousaf M.   +3 more
core   +2 more sources

On the cause and extent of outer radiation belt losses during the 30 September 2012 dropout event [PDF]

open access: yes, 2014
On 30 September 2012, a flux dropout occurred throughout Earth\u27s outer electron radiation belt during the main phase of a strong geomagnetic storm.
Angelopoulos, V.   +12 more
core   +3 more sources

Opportunities of Semiconducting Oxide Nanostructures as Advanced Luminescent Materials in Photonics

open access: yesAdvanced Materials, EarlyView.
The review discusses the challenges of wide and ultrawide bandgap semiconducting oxides as a suitable material platform for photonics. They offer great versatility in terms of tuning microstructure, native defects, doping, anisotropy, and micro‐ and nano‐structuring. The review focuses on their light emission, light‐confinement in optical cavities, and
Ana Cremades   +7 more
wiley   +1 more source

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