SageNet: Fast Neural Network Emulation of the Stiff-amplified Gravitational Waves from Inflation

SageNet: Fast Neural Network Emulation of the Stiff-amplified Gravitational Waves from Inflation

Accurate modeling of the inflationary gravitational waves (GWs) requires time-consuming, iterative numerical integrations of differential equations to take into account their backreaction on the expansion history. To improve computational efficiency while preserving accuracy, we present the Stiff-am...

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Bibliographic Details
Main Authors: Fan Zhang, Yifang Luo, Bohua Li, Ruihan Cao, Wenjin Peng, Joel Meyers, Paul R. Shapiro
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal Supplement Series
Subjects:
Neural networks
Gravitational waves
Astronomy software
Cosmology
Regression
Early universe
Online Access:https://doi.org/10.3847/1538-4365/ade4c6
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