Kinetic-j : A computational kernel for solving the linearized Vlasov equation applied to calculations of the kinetic, configuration space plasma current for time harmonic wave electric fields

Green, David L.; Berry, Lee A.; Simpson, Adam B.; Younkin, Timothy R.

doi:10.1016/j.cpc.2018.01.002

Title: Kinetic-j : A computational kernel for solving the linearized Vlasov equation applied to calculations of the kinetic, configuration space plasma current for time harmonic wave electric fields

Journal Article · Sun Apr 01 00:00:00 EDT 2018 · Computer Physics Communications

DOI:https://doi.org/10.1016/j.cpc.2018.01.002· OSTI ID:1463276

^[1]; Berry, Lee A. ^[2]; Simpson, Adam B. ^[3]; Younkin, Timothy R. ^[4]

Oak Ridge National Laboratory. (ORNL), Oak Ridge, TN (United States).
Oak Ridge National Laboratory. (ORNL), Oak Ridge, TN (United States).; XCEL Engineering, Oak Ridge, TN (United States).
XCEL Engineering, Oak Ridge, TN (United States).
Oak Ridge National Laboratory. (ORNL), Oak Ridge, TN (United States).; University of Tennessee, Knoxville, TN (United States).

We present the Kinetic-j code, a computational kernel for evaluating the linearized Vlasov equation withapplication to calculating the kinetic plasma response (current) to an applied time harmonic wave electricfield. This code addresses the need for a configuration space evaluation of the plasma current to enablekinetic full-wave solvers for waves in hot plasmas to move beyond the limitations of the traditional Fourierspectral methods. We benchmark the kernel via comparison with the standard k-space forms of the hotplasma conductivity tensor.

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Research Organization:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Energy Research Scientific Computing Center (NERSC)

Sponsoring Organization:: USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR)

DOE Contract Number:: AC05-00OR22725; AC02-05CH11231

OSTI ID:: 1463276

Journal Information:: Computer Physics Communications, Vol. 225, Issue C; ISSN 0010-4655

Country of Publication:: United States

Language:: English

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