articleNature CommunicationsMay 4, 2022GOLD OA

E(3)-equivariant graph neural networks for data-efficient and accurate interatomic potentials

Harvard University · École Polytechnique Fédérale de Lausanne · +5 more institutions

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Indexed inarxivcrossrefdoajpubmed

Abstract

This work presents Neural Equivariant Interatomic Potentials (NequIP), an E(3)-equivariant neural network approach for learning interatomic potentials from ab-initio calculations for molecular dynamics simulations. While most contemporary symmetry-aware models use invariant convolutions and only act on scalars, NequIP employs E(3)-equivariant convolutions for interactions of geometric tensors, resulting in a more information-rich and faithful representation of atomic environments. The method achieves state-of-the-art accuracy on a challenging and diverse set of molecules and materials while exhibiting remarkable data efficiency. NequIP outperforms existing models with up to three orders of magnitude fewer…

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Authors

9

Topics & keywords

Keywords
  • Equivariant map
  • Computer science
  • Invariant (physics)
  • Artificial neural network
  • Representation (politics)
  • Ab initio
  • Set (abstract data type)
  • Theoretical computer science
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