diff options
Diffstat (limited to 'Docs/source/running_cpp')
| -rw-r--r-- | Docs/source/running_cpp/parameters.rst | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/Docs/source/running_cpp/parameters.rst b/Docs/source/running_cpp/parameters.rst index 13f68b513..b82800904 100644 --- a/Docs/source/running_cpp/parameters.rst +++ b/Docs/source/running_cpp/parameters.rst @@ -332,14 +332,12 @@ Particle initialization The mass of one `physical` particle of this species. If ``species_type`` is specified, the mass will be set to the physical value and ``mass`` is optional. -* ``<species_name>.xmin,ymin,zmin`` (`float`) optional (default unlimited) - When ``<species_name>.xmin`` and ``<species_name>.xmax`` (see below) are set, they delimit the region within which particles are injected. +* ``<species_name>.xmin,ymin,zmin`` and ``<species_name>.xmax,ymax,zmax`` (`float`) optional (default unlimited) + When ``<species_name>.xmin`` and ``<species_name>.xmax`` are set, they delimit the region within which particles are injected. The WarpXParser (see :ref:`running-cpp-parameters-parser`) is used for the right-hand-side, so expressions like ``<species_name>.xmin = "2.+1."`` and/or using user-defined constants are accepted. The same is applicable in the other directions. If periodic boundary conditions are used in direction ``i``, then the default (i.e. if the range is not specified) range will be the simulation box, ``[geometry.prob_hi[i], geometry.prob_lo[i]]``. -* ``<species_name>.xmax,ymax,zmax`` (`float`) optional (default unlimited) - * ``<species_name>.injection_style`` (`string`) Determines how the particles will be injected in the simulation. The options are: @@ -1978,6 +1976,11 @@ Lookup tables store pre-computed values for functions used by the QED modules. This value should correspond to the typical transverse extent for which the EM field has a very high value (e.g. the beam waist for a focused laser beam). +* ``qed_schwinger.xmin,ymin,zmin`` and ``qed_schwinger.xmax,ymax,zmax`` (`float`) optional (default unlimited) + When ``qed_schwinger.xmin`` and ``qed_schwinger.xmax`` are set, they delimit the region within + which Schwinger pairs can be created. + The same is applicable in the other directions. + * ``qed_schwinger.threshold_poisson_gaussian`` (`integer`) optional (default `25`) If the expected number of physical pairs created in a cell at a given timestep is smaller than this threshold, a Poisson distribution is used to draw the actual number of physical pairs created. |