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80 papers · 1 filter
Flux-Rope Twist in Eruptive Flares and CMEs: due to Zipper and Main-Phase Reconnection
Eric Priest, Dana Longcope
The nature of three-dimensional reconnection when a twisted flux tube erupts during an eruptive flare or coronal mass ejection is considered. The reconnection has two phases: first…
Imaging Observations of Magnetic Reconnection in a Solar Eruptive Flare
Y. Li, X. Sun, M. D. Ding +2
Solar flares are one of the most energetic events in the solar atmosphere. It is widely accepted that flares are powered by magnetic reconnection in the corona. An eruptive flare i…
Validating gravitational-wave detections: The Advanced LIGO hardware injection system
C. Biwer, D. Barker, J. C. Batch +44
Hardware injections are simulated gravitational-wave signals added to the Laser Interferometer Gravitational-wave Observatory (LIGO). The detectors' test masses are physically disp…
Coronal Holes and Open Magnetic Flux over Cycles 23 and 24
Chris Lowder, Jiong Qiu, Robert Leamon
As the observational signature of the footprints of solar magnetic field lines open into the heliosphere, coronal holes provide a critical measure of the structure and evolution of…
Effective Rheology of Two-phase Flow in Three-Dimensional Porous Media: Experiment and Simulation
Santanu Sinha, Andrew T. Bender, Matthew Danczyk +7
We present an experimental and numerical study of immiscible two-phase flow in 3-dimensional (3D) porous media to find the relationship between the volumetric flow rate () and t…
Sweeping costs of planar domains
Brooks Adams, Henry Adams, Colin Roberts
Let D be a Jordan domain in the plane. We consider a pursuit-evasion, contamination clearing, or sensor sweep problem in which the pursuer at each point in time is modeled by a con…