Learning trivializing flows
Learning trivializing flows
复制标题
学习微不足道的流程
DOI:
10.1140/epjc/s10052-023-11838-8
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发表时间:
2023
期刊:
影响因子:
--
通讯作者:
Albandea D
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文献类型:
--
作者:
Albandea D
The recent introduction of machine learning techniques, especially normalizing flows, for the sampling of lattice gauge theories has shed some hope on improving the sampling efficiency of the traditional hybrid Monte Carlo (HMC) algorithm. In this work we study a modified HMC algorithm that draws on the seminal work on trivializing flows by Lüscher. Autocorrelations are reduced by sampling from a simpler action that is related to the original action by an invertible mapping realised through Normalizing Flows models with a minimal set of training parameters. We test the algorithm in a ϕ theory in 2D where we observe reduced autocorrelation times compared with HMC, and demonstrate that the training can be done at small unphysical volumes and used in physical conditions. We also study the scaling of the algorithm towards the continuum limit under various assumptions on the network architecture.
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DOI:
10.1103/physreve.98.013308
发表时间:
2017
期刊:
Physical review. E
影响因子:
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作者:
C. Bonati;M. D’Elia
通讯作者:
M. D’Elia
DOI:
--
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1992
期刊:
影响因子:
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作者:
E. Vicari
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发表时间:
1992
期刊:
Physical Review D, Particles and fields
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Lorenz Vaitl
影响因子:
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作者:
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通讯作者:
Urban, Julian M.