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2007

Rankin, Robert, Watt, Clare E. J.

We investigate parallel electron acceleration due to inertial Alfven wave pulses in the presence of Lorentzian ( kappa) distribution functions which possess high-energy tails. A linear kinetic dispersion relation for inertial Alfven waves is derived whose solutions are used to guide the analysis...

2016

Spence, Harlan, Reeves, Geoffrey D., Zhou, X. Z., Fu, Suiyan, Yuan, C. J., Lui, A. T. Y., Blake, J. B., Rankin, Robert, Hao, Yixin, Baker, D. N., Zong, Qiugang

On 23 November 2012, a sudden dropout of the relativistic electron flux was observed after an interplanetary shock arrival. The dropout peaks at ∼1 MeV and more than 80% of the electrons disappeared from the drift shell. Van Allen twin Probes observed a sharp electron flux dropout with clear...

Spring 2024

Shahsavari, Nima

The necessity to secure reliable water resources has always been a challenge for human societies. Numerous factors contribute to heightened concerns, often resulting in serious crises for governments striving to ensure the provision of clean potable water for diverse purposes. At the same time,...

Spring 2013

Paral, Jan

A planet's magnetosphere is often very dynamic, undergoing large topological changes in response to high speed (~400 km/s) solar wind intervals, coronal mass ejections, and naturally excited plasma wave modes. Plasma waves are very effective at transporting energy throughout the ...

2003-05-13

Wen, Xiao-Yan, Hegele, Robert A., Wang, Jian, Wang, Ding Yan, Cheung, Joseph, Wilson, Michael, Yahyapour, Maryam, Bai, Yahong, Zhuang, Lihua, Skaug, Jennifer, Young, T. Kue, Connelly, Philip W., Koop, Ben F., Tsui, Lap-Chee, Stewart, A. Keith

"Triglyceride (TG) metabolism is crucial for whole body and local energy homeostasis and accumulating evidence suggests an independent association between plasma TG concentration and increased atherosclerosis risk. We previously generated a mouse insertional mutation lpd (lipid defect) whose...

Fall 2019

Oberhagemann, Luke

Geomagnetic substorms are a process through which energy stored in Earth’s magnetosphere is suddenly and violently released. On the ground, this process is largely observed as a vibrant and dancing display in the aurorae and is well documented, while the sequence of events that occurs in the...

Fall 2016

Liza, Fatema TJ

Laser plasma interactions with high intensity laser pulses can produce extremely high magnetic fields in the MG range. In particular, the application of circularly polarized or orbital angular mode (OAM) laser beams can be used to generate such large fields using the Inverse Faraday Effect (IFE)....

2005-01-01

Rankin, Robert, Ridley, Aaron J., Gombosi, Tamas I., Clauer, C. Robert, Watanabe, Masakazu, Kabin, Konstantin, Sofko, George J.

On the basis of magnetohydrodynamic simulation results for northward interplanetary magnetic field ( IMF) and significant dipole tilt, we describe internal reconnection processes that occur earthward of the magnetopause subsequent to magnetopause reconnection. We discuss the associated...

1985-01-01

Barr, H. C., Rankin, Robert. , Boyd, T. J. M., Gardner, G. A.

The linear mode conversion of a plasma wave to a light wave in a magnetized plasma has been examined theoretically and by computer simulation. This conversion is the inverse of resonance absorption exhibiting an identical dependence on magnetic field and density scale length with an optimum...

Spring 2021

Ludwig, Joshua

Both short and long pulse laser plasma interactions are investigated by theoreti- cal analysis and modern computational techniques. An extensive set of simulations of short pulse laser plasma based particle accelerators are performed with the aim of improving performance and diagnostics of the...