Synergy between deep neural networks and the variational Monte Carlo method for small $^4He_N$ clusters

We introduce a neural network-based approach for modeling wave functions that satisfy Bose-Einstein statistics. Applying this model to small $^4He_N$ clusters (with N ranging from 2 to 14 atoms), we accurately predict ground state energies, pair density functions, and two-body contact parameters $C^...

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Main Authors: William Freitas, S. A. Vitiello
Format: Article
Language:English
Published: Verein zur Förderung des Open Access Publizierens in den Quantenwissenschaften 2023-12-01
Series:Quantum
Online Access:https://quantum-journal.org/papers/q-2023-12-18-1209/pdf/
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author William Freitas
S. A. Vitiello
author_facet William Freitas
S. A. Vitiello
author_sort William Freitas
collection DOAJ
description We introduce a neural network-based approach for modeling wave functions that satisfy Bose-Einstein statistics. Applying this model to small $^4He_N$ clusters (with N ranging from 2 to 14 atoms), we accurately predict ground state energies, pair density functions, and two-body contact parameters $C^{(N)}_2$ related to weak unitarity. The results obtained via the variational Monte Carlo method exhibit remarkable agreement with previous studies using the diffusion Monte Carlo method, which is considered exact within its statistical uncertainties. This indicates the effectiveness of our neural network approach for investigating many-body systems governed by Bose-Einstein statistics.
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spelling doaj.art-710efa4e373e45e0b5bb25b308bda1ee2024-01-31T11:35:43ZengVerein zur Förderung des Open Access Publizierens in den QuantenwissenschaftenQuantum2521-327X2023-12-017120910.22331/q-2023-12-18-120910.22331/q-2023-12-18-1209Synergy between deep neural networks and the variational Monte Carlo method for small $^4He_N$ clustersWilliam FreitasS. A. VitielloWe introduce a neural network-based approach for modeling wave functions that satisfy Bose-Einstein statistics. Applying this model to small $^4He_N$ clusters (with N ranging from 2 to 14 atoms), we accurately predict ground state energies, pair density functions, and two-body contact parameters $C^{(N)}_2$ related to weak unitarity. The results obtained via the variational Monte Carlo method exhibit remarkable agreement with previous studies using the diffusion Monte Carlo method, which is considered exact within its statistical uncertainties. This indicates the effectiveness of our neural network approach for investigating many-body systems governed by Bose-Einstein statistics.https://quantum-journal.org/papers/q-2023-12-18-1209/pdf/
spellingShingle William Freitas
S. A. Vitiello
Synergy between deep neural networks and the variational Monte Carlo method for small $^4He_N$ clusters
Quantum
title Synergy between deep neural networks and the variational Monte Carlo method for small $^4He_N$ clusters
title_full Synergy between deep neural networks and the variational Monte Carlo method for small $^4He_N$ clusters
title_fullStr Synergy between deep neural networks and the variational Monte Carlo method for small $^4He_N$ clusters
title_full_unstemmed Synergy between deep neural networks and the variational Monte Carlo method for small $^4He_N$ clusters
title_short Synergy between deep neural networks and the variational Monte Carlo method for small $^4He_N$ clusters
title_sort synergy between deep neural networks and the variational monte carlo method for small 4he n clusters
url https://quantum-journal.org/papers/q-2023-12-18-1209/pdf/
work_keys_str_mv AT williamfreitas synergybetweendeepneuralnetworksandthevariationalmontecarlomethodforsmall4henclusters
AT savitiello synergybetweendeepneuralnetworksandthevariationalmontecarlomethodforsmall4henclusters