Compile LAMMPS/POD
Go to lammps directory and build with the POD package:
cd path/to/lammps
mkdir build-pod
cd build-pod
cmake -C ../cmake/presets/basic.cmake -D PKG_ML-POD=on ../cmake
cmake --build .
Fit a POD potential for tantalum
Go to lammps/examples/PACKAGES/pod/Ta directory and run
lmp -in in.podfit
See the README in lammps/examples/PACKAGES/pod/Ta for instructions on how to run MD with the potential.