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| author |  Remi Lehe <remi.lehe@normalesup.org>
| 2019-11-12 15:00:02 -0800 |
|---|---|---|
| committer |  GitHub <noreply@github.com>
| 2019-11-12 15:00:02 -0800 |
| commit | 68c60b51b342d8b7e1ef9b2a916e20edfa82d1fd (patch) | |
| tree | df4f26d34d2b8fee5682524cbfce5770c3d4c1b9 /Docs/source/running_cpp/parameters.rst | |
| parent | 484c04d3d6d473e46cda3021e4895c73bbc16bb7 (diff) | |
| parent | 2b01303bc3183a70358cd2e668f31157bbe82bf4 (diff) | |
| download | WarpX-68c60b51b342d8b7e1ef9b2a916e20edfa82d1fd.tar.gz WarpX-68c60b51b342d8b7e1ef9b2a916e20edfa82d1fd.tar.zst WarpX-68c60b51b342d8b7e1ef9b2a916e20edfa82d1fd.zip | |
Merge pull request #516 from cameronjy/maxwell_juttner
Maxwell-Juttner Distribution
Diffstat (limited to 'Docs/source/running_cpp/parameters.rst')
| -rw-r--r-- | Docs/source/running_cpp/parameters.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Docs/source/running_cpp/parameters.rst b/Docs/source/running_cpp/parameters.rst index e5727e376..70cf7c199 100644 --- a/Docs/source/running_cpp/parameters.rst +++ b/Docs/source/running_cpp/parameters.rst @@ -266,6 +266,15 @@ Particle initialization well as standard deviations along each direction ``<species_name>.ux_th``, ``<species_name>.uy_th`` and ``<species_name>.uz_th``. + * ``maxwell_juttner``: Maxwell-Juttner distribution for high temperature plasma. This mode + requires a dimensionless temperature parameter ``<species_name>.theta``, where theta is equal + to kb*T/(m*c^2), where kb is the Boltzmann constant, and m is the mass of the species. It also + includes the optional parameter ``<species_name>.beta`` where beta is equal to v/c. The plasma + will be initialized to move at velocity beta*c in the ``<species_name>.direction = 'x', 'y', 'z'``, + direction. The MJ distribution will be initialized in the moving frame using the Sobol method, + and then the distribution will be transformed to the simulation frame using the flipping method. + Both the Sobol and the flipping method can be found in Zenitani 2015 (Phys. Plasmas 22, 042116). + * ``radial_expansion``: momentum depends on the radial coordinate linearly. This requires additional parameter ``u_over_r`` which is the slope. |