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Deep-learning QMC method accelerates excited-state potential energy surface calculations

Researchers have developed a novel method for optimizing neural network wave functions, enabling the efficient prediction of ground and excited-state potential energy surfaces (PESs). This approach leverages weight sharing and dynamical ordering of electronic states to achieve up to a two-orders-of-magnitude cost reduction compared to traditional methods. The technique was validated on four complex excited-state PESs, including ethylene, the carbon dimer, the methylenimmonium cation, and a rubredoxin active site model, demonstrating the potential of transferable deep-learning QMC for studying electronic excitations in molecules. AI

IMPACT This method could significantly speed up simulations of molecular interactions and reactions, aiding research in chemistry and materials science.

RANK_REASON Academic paper detailing a new computational method. [lever_c_demoted from research: ic=1 ai=1.0]

Read on arXiv cs.LG →

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Deep-learning QMC method accelerates excited-state potential energy surface calculations

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Academic paper detailing a new computational method. [lever_c_demoted from research: ic=1 ai=1.0]
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  1. arXiv cs.LG TIER_1 English(EN) · Zeno Sch\"atzle, P. Bern\'at Szab\'o, Alice Cuzzocrea, Mat\v{e}j Mezera, Frank No\'e ·

    Ab-initio simulation of excited-state potential energy surfaces with transferable deep quantum Monte Carlo

    arXiv:2503.19847v2 Announce Type: replace-cross Abstract: The accurate quantum chemical calculation of excited states is a challenging task, often requiring computationally demanding methods. When entire ground and excited potential energy surfaces (PESs) are desired, for instanc…