EMRI_MC: A GPU-based code for Bayesian inference of EMRI waveforms

We describe a simple and efficient Python code to perform Bayesian forecasting for gravitational waves (GW) produced by Extreme-Mass-Ratio-Inspiral systems (EMRIs). The code runs on GPUs for an efficient parallelised computation of thousands of waveforms and sampling of the posterior through a Markov-Chain-Monte-Carlo (MCMC) algorithm. EMRI_MC generates EMRI waveforms based on the so-called kludge scheme, and propagates it to the observer accounting for cosmological effects in the observed waveform due to modified gravity/dark energy. The code provides a helpful resource for forecasts for interferometry missions in the milli-Hz scale, e.g the satellite-mission LISA.

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Publication Details

Journal
SciPost Physics Codebases
Published
2025-01-16
DOI
https://doi.org/10.21468/scipostphyscodeb.44
Citations
6
Primary Topic
Pulsars and Gravitational Waves Research
Type
article
Field-Weighted Citation Impact
6.93

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article

EMRI_MC: A GPU-based code for Bayesian inference of EMRI waveforms

Roberto Oliveri, Ippocratis D. Saltas
6 citations
SciPost Physics Codebases
Pulsars and Gravitational Waves Research
6.93
article

EMRI_MC: A GPU-based code for Bayesian inference of EMRI waveforms

Roberto Oliveri, Ippocratis D. Saltas
article en
6 citations

Abstract

We describe a simple and efficient Python code to perform Bayesian forecasting for gravitational waves (GW) produced by Extreme-Mass-Ratio-Inspiral systems (EMRIs). The code runs on GPUs for an efficient parallelised computation of thousands of waveforms and sampling of the posterior through a Markov-Chain-Monte-Carlo (MCMC) algorithm. EMRI_MC generates EMRI waveforms based on the so-called kludge scheme, and propagates it to the observer accounting for cosmological effects in the observed waveform due to modified gravity/dark energy. The code provides a helpful resource for forecasts for interferometry missions in the milli-Hz scale, e.g the satellite-mission LISA.

SciPost Physics Codebases
Centre National de la Recherche Scientifique (FR), Czech Academy of Sciences (CZ), Université Paris Cité (FR), Université Paris Sciences et Lettres (FR), Observatoire de Paris (FR), Laboratoire Univers et Théories (FR), Sorbonne Paris Cité (FR), FZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic (CZ)
Grantová Agentura České Republiky, Conseil Régional, Île-de-France
Openalex Percentile: Top 4%
Pulsars and Gravitational Waves Research
6.93
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EMRI_MC: A GPU-based code for Bayesian inference of EMRI waveforms — Roberto Oliveri, Ippocratis D. Saltas · SciPost Physics Codebases (2025) | TGRS Research Map | TGRS