Publications (12)
Electron injection and acceleration into laser-driven wakefield from a solid overdense plasma target
M. Caetano de Sousa, S. Marini, M. Grech +3
A laser-plasma acceleration scheme combining electron extraction from a solid overdense target with wakefield acceleration in an adjacent underdense plasma region is presented. A l…
Ultra Long Turbulent Eddies, Magnetic Topology, and the Triggering of Internal Transport Barriers in Tokamaks
A. VolÄokas, J. Ball, S. Brunner
Local nonlinear gyrokinetic simulations of tokamak plasmas demonstrate that turbulent eddies can extend along magnetic field lines for hundreds of poloidal turns when the magnetic…
Nonlocal effects in negative triangularity TCV plasmas
G. Merlo, Z. Huang, C. Marini +7
Global gradient driven GENE gyrokinetic simulations are used to investigate TCV plasmas with negative triangularity. Considering a limited L-mode plasma, corresponding to an experi…
A portable platform for accelerated PIC codes and its application to GPUs using OpenACC
F. Hariri, T. M. Tran, A. Jocksch +6
We present a portable platform, called PIC_ENGINE, for accelerating Particle-In-Cell (PIC) codes on heterogeneous many-core architectures such as Graphic Processing Units (GPUs). T…
The Apache Point Observatory Galactic Evolution Experiment (APOGEE) Spectrographs
J. C. Wilson, F. R. Hearty, M. F. Skrutskie +86
We describe the design and performance of the near-infrared (1.51--1.70 micron), fiber-fed, multi-object (300 fibers), high resolution (R = lambda/delta lambda ~ 22,500) spectrogra…
Simulating background shear flow in local gyrokinetic simulations
B. F. McMillan, J. Ball, S. Brunner
Local gyrokinetic simulations solve the gyrokinetic equations with homogeneous background gradients, typically using a doubly periodic domain in the (x,y) plane (i.e. perpendicular…