Search Results - "Chua, Alvin J. K."

Rapid Generation of Fully Relativistic Extreme-Mass-Ratio-Inspiral Waveform Templates for LISA Data Analysis by Chua, Alvin J K, Katz, Michael L, Warburton, Niels, Hughes, Scott A

“…The future space mission LISA will observe a wealth of gravitational-wave sources at millihertz frequencies. Of these, the extreme-mass-ratio inspirals of…”
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Adiabatic Waveforms from Extreme-Mass-Ratio Inspirals: An Analytical Approach by Isoyama, Soichiro, Fujita, Ryuichi, Chua, Alvin J. K., Nakano, Hiroyuki, Pound, Adam, Sago, Norichika

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Learning Bayesian Posteriors with Neural Networks for Gravitational-Wave Inference by Chua, Alvin J K, Vallisneri, Michele

“…We seek to achieve the holy grail of Bayesian inference for gravitational-wave astronomy: using deep-learning techniques to instantly produce the posterior…”
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Exciting Modes due to the Aberration of Gravitational Waves: Measurability for Extreme-Mass-Ratio Inspirals by Torres-Orjuela, Alejandro, Amaro Seoane, Pau, Xuan, Zeyuan, Chua, Alvin J. K., Rosell, Mara J. B., Chen, Xian

“…Gravitational waves from a source moving relative to us can suffer from special-relativistic effects such as aberration. The required velocities for these to…”
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Reduced-Order Modeling with Artificial Neurons for Gravitational-Wave Inference by Chua, Alvin J K, Galley, Chad R, Vallisneri, Michele

“…Gravitational-wave data analysis is rapidly absorbing techniques from deep learning, with a focus on convolutional networks and related methods that treat…”
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The effect of mission duration on LISA science objectives by Amaro Seoane, Pau, Arca Sedda, Manuel, Babak, Stanislav, Berry, Christopher P. L., Berti, Emanuele, Bertone, Gianfranco, Blas, Diego, Bogdanović, Tamara, Bonetti, Matteo, Breivik, Katelyn, Brito, Richard, Caldwell, Robert, Capelo, Pedro R., Caprini, Chiara, Cardoso, Vitor, Carson, Zack, Chen, Hsin-Yu, Chua, Alvin J. K., Dvorkin, Irina, Haiman, Zoltan, Heisenberg, Lavinia, Isi, Maximiliano, Karnesis, Nikolaos, Kavanagh, Bradley J., Littenberg, Tyson B., Mangiagli, Alberto, Marcoccia, Paolo, Maselli, Andrea, Nardini, Germano, Pani, Paolo, Peloso, Marco, Pieroni, Mauro, Ricciardone, Angelo, Sesana, Alberto, Tamanini, Nicola, Toubiana, Alexandre, Valiante, Rosa, Vretinaris, Stamatis, Weir, David J., Yagi, Kent, Zimmerman, Aaron

“…The science objectives of the LISA mission have been defined under the implicit assumption of a 4-years continuous data stream. Based on the performance of…”
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Geometric creation of quantum vorticity by Good, Michael R R, Xiong, Chi, Chua, Alvin J K, Huang, Kerson

“…We consider superfluidity and quantum vorticity in rotating spacetimes. The system is described by a complex scalar satisfying a nonlinear Klein-Gordon…”
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Repeating nuclear transients as candidate electromagnetic counterparts of LISA extreme mass ratio inspirals by Kejriwal, Shubham, Witzany, Vojtěch, Zajaček, Michal, Pasham, Dheeraj R, Chua, Alvin J K

“…ABSTRACT Extreme mass ratio inspirals (EMRIs) are one of the primary targets for the recently adopted millihertz gravitational-wave observatory LISA. Some…”
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Galactic escape speeds in mirror and cold dark matter models by Chua, Alvin J. K., Wickramasinghe, D. T., Ferrario, Lilia

“…The mirror dark matter (MDM) model of Berezhiani et al. has been shown to reproduce observed galactic rotational curves for a variety of spiral galaxies, and…”
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Sampling from manifold-restricted distributions using tangent bundle projections by Chua, Alvin J. K.

“…A common problem in Bayesian inference is the sampling of target probability distributions at sufficient resolution and accuracy to estimate the probability…”
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Fast and Fourier: extreme mass ratio inspiral waveforms in the frequency domain by Speri, Lorenzo, Katz, Michael L., Chua, Alvin J. K., Hughes, Scott A., Warburton, Niels, Thompson, Jonathan E., Chapman-Bird, Christian E. A., Gair, Jonathan R.

“…Extreme Mass Ratio Inspirals (EMRIs) are one of the key sources for future space-based gravitational wave interferometers. Measurements of EMRI gravitational…”
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A one-stop function for gravitational-wave detection, identification and inference by Chua, Alvin J. K

“…Phys. Rev. D 106, 104051 (2022) I define here a novel function on a modeled space of gravitational-wave signals, before studying its properties as a statistic…”
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Posterior predictive checking for gravitational-wave detection with pulsar timing arrays: I. The optimal statistic by Vallisneri, Michele, Meyers, Patrick M, Chatziioannou, Katerina, Chua, Alvin J. K

“…A gravitational-wave background can be detected in pulsar-timing-array data as Hellings--Downs correlations among the timing residuals measured for different…”
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Posterior predictive checking for gravitational-wave detection with pulsar timing arrays: II. Posterior predictive distributions and pseudo Bayes factors by Meyers, Patrick M, Chatziioannou, Katerina, Vallisneri, Michele, Chua, Alvin J. K

“…The detection of nanoHertz gravitational waves through pulsar timing arrays hinges on identifying a common stochastic process affecting all pulsars in a…”
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Repeating Nuclear Transients as Candidate Electromagnetic Counterparts of LISA Extreme Mass Ratio Inspirals by Kejriwal, Shubham, Witzany, Vojtech, Zajacek, Michal, Pasham, Dheeraj R, Chua, Alvin J. K

“…Extreme-mass-ratio inspirals (EMRIs) are one of the primary targets for the recently adopted millihertz gravitational-wave (GW) observatory LISA. Some previous…”
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Improving the scalability of Gaussian-process error marginalization in gravitational-wave inference by Liu, Miaoxin, Li, Xiao-Dong, Chua, Alvin J. K

“…Phys. Rev. D 108, 103027 (2023) The accuracy of Bayesian inference can be negatively affected by the use of inaccurate forward models. In the case of…”
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Adiabatic waveforms for extreme mass-ratio inspirals via multivoice decomposition in time and frequency by Hughes, Scott A, Warburton, Niels, Khanna, Gaurav, Chua, Alvin J. K, Katz, Michael L

“…Phys. Rev. D 103, 104014 (2021) We compute adiabatic waveforms for extreme mass-ratio inspirals (EMRIs) by "stitching" together a long inspiral waveform from a…”
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Non-local parameter degeneracy in the intrinsic space of gravitational-wave signals from extreme-mass-ratio inspirals by Chua, Alvin J. K, Cutler, Curt J

“…Phys. Rev. D 106, 124046 (2022) Extreme-mass-ratio inspirals will be prized sources for the upcoming space-based gravitational-wave observatory LISA. The hunt…”
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Assessing the data-analysis impact of LISA orbit approximations using a GPU-accelerated response model by Katz, Michael L, Bayle, Jean-Baptiste, Chua, Alvin J. K, Vallisneri, Michele

“…Phys. Rev. D 106, 103001 (2022) The analysis of gravitational wave (GW) datasets is based on the comparison of measured time series with theoretical templates…”
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Modeling transient resonances in extreme-mass-ratio inspirals by Gupta, Priti, Speri, Lorenzo, Bonga, Béatrice, Chua, Alvin J. K, Tanaka, Takahiro

“…Phys. Rev. D 106, 104001 (2022) Extreme-mass-ratio inspirals are one of the most exciting and promising target sources for space-based interferometers (such as…”
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