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ElVibRot-MPI: parallel quantum dynamics with Smolyak algorithm for general molecular simulation

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arxiv 2111.13655 v2 pith:7JGFOSWI submitted 2021-11-26 physics.comp-ph physics.atm-clusphysics.atom-phquant-ph

classification physics.comp-phphysics.atm-clusphysics.atom-phquant-ph
keywords simulationalgorithmsmolyakdynamicsgeneralhighintroducedmolecular
verification ladder T0 review T1 audit T2 compute T3 formal
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A parallelized quantum dynamics package using the Smolyak algorithm for general molecular simulation is introduced in this work. The program has no limitation of the Hamiltonian form and provides high flexibility on the simulation setup to adapt to different problems. Taking advantage of the Smolyak sparse grids formula, the simulation could be performed with high accuracy, and in the meantime, impressive parallel efficiency. The capability of the simulation could be up to tens of degrees of freedom. The implementation of the algorithm and the package usage are introduced, followed by typical examples and code test results.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Exact quantum dynamics of methanol: full-dimensional ab initio potential energy surface of spectroscopic quality and variational vibrational states

    physics.chem-ph 2025-05 conditional novelty 6.0 of 10

    A new ab initio potential energy surface for methanol, trained on 39,401 CCSD(T)-F12b/cc-pVTZ-F12 energies, yields variational vibrational band origins within about 5 cm-1 of experiment up to ~2500 cm-1.

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