Below is an example of a periodic box with counter-moving cold beam, which is unstable to the Weibel instability.

You can reproduce these results similar to these by following the instructions here and here but compiling with the command

make USER_FILE=user/user_weibel

When submitting the job, use the input file located at ~/user/input.weibel and run it using:

srun ./tristan-mp2d -i input.weibel > out