Author

S. Y. Willow

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Open access Oct 2026

Hybrid quantum-classical machine learning potential with variational quantum circuits

Machine learning potentials (MLPs) based on equivariant message-passing neural networks have achieved state-of-the-art accuracy for atomistic simulation, yet integration of variational quantum circuit (VQC) readouts into such frameworks remains unexplored for condensed-matter systems. Here we employ and characterize a...

S. Y. Willow, Chang-Mo D. Yang, Kwang S. Kim et al. · RSC Advances · 3 citations

Preprint Sep 2026

GW and Bethe-Salpeter Theory for Molecular Polaritons, Quasiparticles, and Excitons

The electron self-energy is central to quasiparticle theory, yet how an optical cavity enters it remains unclear. We address this question for a molecule in a single-mode cavity using the dipole-gauge Pauli-Fierz Hamiltonian and a coherent-state QED Hartree-Fock reference. The cavity enters through three channels: the...

S. Y. Willow, Gi Beom Sim, T. Park et al. · 0 citations