Search Results for author: Paolo Pegolo

Found 3 papers, 1 papers with code

Representing spherical tensors with scalar-based machine-learning models

no code implementations8 May 2025 Michelangelo Domina, Filippo Bigi, Paolo Pegolo, Michele Ceriotti

Rotational symmetry plays a central role in physics, providing an elegant framework to describe how the properties of 3D objects -- from atoms to the macroscopic scale -- transform under the action of rigid rotations.

PET-MAD, a universal interatomic potential for advanced materials modeling

1 code implementation18 Mar 2025 Arslan Mazitov, Filippo Bigi, Matthias Kellner, Paolo Pegolo, Davide Tisi, Guillaume Fraux, Sergey Pozdnyakov, Philip Loche, Michele Ceriotti

Machine-learning interatomic potentials (MLIPs) have greatly extended the reach of atomic-scale simulations, offering the accuracy of first-principles calculations at a fraction of the effort.

Diversity

Oxidation states, Thouless' pumps, and non-trivial ionic transport in non-stoichiometric electrolytes

no code implementations30 Jun 2020 Paolo Pegolo, Federico Grasselli, Stefano Baroni

We finally examine the impact of our findings on the transport properties of non-stoichiometric alkali-halide melts, where the same topological conditions that would induce a quantum pump mechanism along certain closed loops in configuration space also determine a non-trivial transport regime such that most of the total charge current results to be uncorrelated from the ionic ones.

Materials Science Other Condensed Matter Chemical Physics Computational Physics

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