1k citations · 3.4k across the 44 of their papers we have counts for
46 papers
Unifying spatial correlation with hierarchical population inference to constrain the AGN channel for binary black hole mergers
Lucas Pouw, Lorenzo Speri, Niccolò Veronesi +1
The origin of the stellar-mass binary black holes (BBHs) observed in gravitational wave (GW) events by the LIGO-Virgo-KAGRA (LVK) detectors remains uncertain. One promising formati…
An explicit and differentiable Wilson-Daubechies-Meyer transform for gravitational-wave data analysis
Avi Vajpeyi, Giorgio Mentasti, Quentin Baghi +2
The Wilson-Daubechies-Meyer (WDM) time-frequency transform has been widely used in gravitational-wave astronomy, yet a self-contained, mathematically explicit reference for practit…
Impact of Spacecraft Orbit Uncertainties and Velocity Mismodeling on the LISA Gravitational-Wave Response
Lorenzo Speri, Olaf Hartwig, Waldemar Martens +5
The Laser Interferometer Space Antenna (LISA) is a space-based gravitational wave observatory that consists of three spacecraft in a near-equilateral triangular formation. The spac…
Quantifying the Scientific Potential of Intermediate and Extreme Mass Ratio Inspirals with the Laser Interferometer Space Antenna
Lorenzo Speri, Francisco Duque, Susanna Barsanti +4
The Laser Interferometer Space Antenna (LISA) will enable precision studies of Extreme and Intermediate Mass Ratio Inspirals (EMRIs/IMRIs), providing unique probes of astrophysical…
SlotFlow: Amortized Trans-Dimensional Inference with Slot-Based Normalizing Flows
Niklas Houba, Giovanni Giarda, Lorenzo Speri
Inferring the number of distinct components contributing to an observation, while simultaneously estimating their parameters, remains a long-standing challenge across signal proces…
Ab uno disce omnes: Single-harmonic search for extreme mass-ratio inspirals
Lorenzo Speri, Rodrigo Tenorio, Christian Chapman-Bird +1
Extreme mass-ratio inspirals (EMRIs) are one of the key sources of gravitational waves for space-based detectors such as LISA. However, their detection remains a major data analysi…
Systematic errors in fast relativistic waveforms for Extreme Mass Ratio Inspirals
Hassan Khalvati, Philip Lynch, Ollie Burke +3
Accurate modeling of \gls{EMRIs} is essential for extracting reliable information from future space-based gravitational wave observatories. Fast waveform generation frameworks adop…
Dissecting the nanohertz gravitational wave sky: Frequency-correlated anisotropy induced by eccentric supermassive black hole binaries
Beatrice Eleonora Moreschi, Serena Valtolina, Alberto Sesana +5
Revealing the nature of the nanohertz gravitational wave (GW) signal recently reported by pulsar timing array (PTA) collaborations around the world is the next goal of low-frequenc…
The Fast and the Frame-Dragging: Efficient waveforms for asymmetric-mass eccentric equatorial inspirals into rapidly-spinning black holes
Christian E. A. Chapman-Bird, Lorenzo Speri, Zachary Nasipak +13
Observations of gravitational-wave signals emitted by compact binary inspirals provide unique insights into their properties, but their analysis requires accurate and efficient wav…
Searching for extreme mass ratio inspirals in LISA: from identification to parameter estimation
Stefan H. Strub, Lorenzo Speri, Domenico Giardini
The Laser Interferometer Space Antenna (LISA) is a planned space-based observatory designed to detect gravitational waves (GWs) within the millihertz frequency range. LISA is antic…
Sequential simulation-based inference for extreme mass ratio inspirals
Philippa S. Cole, James Alvey, Lorenzo Speri +4
Extreme mass-ratio inspirals pose a difficult challenge in terms of both search and parameter estimation for upcoming space-based gravitational-wave detectors such as LISA. Their s…
The implications of stochastic gas torques for asymmetric binaries in the LISA band
Lorenzo Copparoni, Lorenzo Speri, Laura Sberna +2
Gravitational waves from asymmetric mass-ratio black-hole binaries carry unique information about their astrophysical environment. For instance, the Laser Interferometer Space Ante…
Is your stochastic signal really detectable?
Federico Pozzoli, Jonathan Gair, Riccardo Buscicchio +1
Separating a stochastic gravitational wave background (SGWB) from noise is a challenging statistical task. One approach to establishing a detection criterion for the SGWB is using…
Systematics in tests of general relativity using LISA massive black hole binaries
Mudit Garg, Laura Sberna, Lorenzo Speri +2
Our current understanding is that an environment - mainly consisting of gas or stars - is required to bring massive black hole binaries (MBHBs) with total redshifted mass $M_z\sim[…
Constraining accretion physics with gravitational waves from eccentric extreme-mass-ratio inspirals
Francisco Duque, Shubham Kejriwal, Laura Sberna +2
We study the evolution of eccentric, equatorial extreme-mass-ratio inspirals (EMRIs) immersed in the accretion disks of active galactic nuclei. We find that single gravitational-wa…
Impact of relativistic waveforms in LISA's science objectives with extreme-mass-ratio inspirals
Hassan Khalvati, Alessandro Santini, Francisco Duque +4
Extreme-Mass-Ratio Inspirals (EMRIs) are one of the key targets for future space-based gravitational wave detectors, such as LISA. The scientific potential of these sources can onl…
Reading signatures of supermassive binary black holes in pulsar timing array observations
Boris Goncharov, Shubhit Sardana, A. Sesana +10
We find the inferred properties of the putative gravitational wave background in the second data release of the European Pulsar Timing Array to be in better agreement with theoreti…
Probing fundamental physics with Extreme Mass Ratio Inspirals: a full Bayesian inference for scalar charge
Lorenzo Speri, Susanna Barsanti, Andrea Maselli +6
Extreme Mass Ratio Inspirals (EMRIs) are key sources for the future space-based gravitational wave detector LISA, and are considered promising probes of fundamental physics. Here,…
GWnext 2024: Meeting Summary
Alejandro Torres-Orjuela, Veronica Vazquez-Aceves, Rui Xu +19
GWnext 2024 was a meeting held in the Kavli Institute for Astronomy and Astrophysics at Peking University in March , 2024. In the meeting researchers at…
LISA Definition Study Report
Monica Colpi, Karsten Danzmann, Martin Hewitson +108
The Laser Interferometer Space Antenna (LISA) is the first scientific endeavour to detect and study gravitational waves from space. LISA will survey the sky for Gravitational Waves…
Impact of Correlations on the Modeling and Inference of Beyond Vacuum-GR Effects in Extreme-Mass-Ratio Inspirals
Shubham Kejriwal, Lorenzo Speri, Alvin J. K. Chua
In gravitational-wave astronomy, extreme-mass-ratio-inspiral (EMRI) sources for the upcoming LISA observatory have the potential to serve as high-precision probes of astrophysical…
Massive black hole binaries in LISA: constraining cosmological parameters at high redshifts
Alberto Mangiagli, Chiara Caprini, Sylvain Marsat +3
One of the scientific objectives of the Laser Interferometer Space Antenna (LISA) is to probe the expansion of the Universe using gravitational wave observations. Indeed, as gravit…
Accuracy Requirements: Assessing the Importance of First Post-Adiabatic Terms for Small-Mass-Ratio Binaries
Ollie Burke, Gabriel Andres Piovano, Niels Warburton +7
We investigate the impact of post-adiabatic (1PA) terms on parameter estimation for extreme and intermediate mass-ratio inspirals using state-of-the-art waveform models. Our analys…
Comparing recent PTA results on the nanohertz stochastic gravitational wave background
The International Pulsar Timing Array Collaboration, G. Agazie, J. Antoniadis +242
The Australian, Chinese, European, Indian, and North American pulsar timing array (PTA) collaborations recently reported, at varying levels, evidence for the presence of a nanohert…