How i can find new LAMMPS potentials via DFT calculations?

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Mustafa Kurban

You should check out the inside of the LAMMPS/potentials. Sometimes you cannot find some new potential files, but you can request from authors.

Mahdi Darvishi Gilan

potfit is a free implementation of the force-matching algorithm to generate effective potentials from ab-initio reference data.

https://www.potfit.net/wiki/doku.php