Developing Machine Learning Interatomic Potentials in VASP for Use in LAMMPS

Queries about input and output files, running specific calculations, etc.


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Asmabi Thottahill
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Developing Machine Learning Interatomic Potentials in VASP for Use in LAMMPS

#1 Post by Asmabi Thottahill » Wed Jan 29, 2025 6:01 pm

Can I develop interatomic potentials using machine learning in VASP and use them in MD simulations in LAMMPS?

I am interested in generating machine learning-based interatomic potentials (MLIPs) using VASP and then utilizing these potentials for molecular dynamics (MD) simulations in LAMMPS. Specifically, I would like to know:

Can VASP train machine learning potentials, such as those based on neural networks or Gaussian process regression?
If so, what methods (e.g., MLIP, MTP, or GAP) are compatible with VASP?
How can we create the datasets for vasp?
How can these machine-learned potentials be exported and formatted for use in LAMMPS?
Are there any known limitations or challenges in transferring these potentials between VASP and LAMMPS?
I would appreciate any insights or references related to this.


alexey.tal
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Re: Developing Machine Learning Interatomic Potentials in VASP for Use in LAMMPS

#2 Post by alexey.tal » Thu Jan 30, 2025 8:57 am

Dear Asmabi Thottahill,

Thank you for your question.

Since version VASP 6.5 it is possible to use the VASP ML potentials in LAMMPS. You can find a comprehensive guide on how to interface the two code and this one on how to create the potentials in VASP.
Please don't hesitate to ask us if you find something unclear in these instructions.

Best wishes,
Alexey


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