1.4k citations · 11.5k across the 75 of their papers we have counts for
36 papers · 1 filter
Inflationary interpretation of the gravitational-wave signal in the European Pulsar Timing Array DR2 with constraints
Philippe Turgeon, Chiara Caprini, Anton Chudaykin +5
The second data release of the European Pulsar Timing Array (EPTA) collaboration provides evidence for the presence of a gravitational-wave (GW) background. In this work, we explor…
Reducing cosmological degeneracies by combining multiple classes of LISA gravitational-wave standard sirens
Danny Laghi, Nicola Tamanini, Alberto Sesana +6
We present the first joint gravitational-wave cosmological inference with LISA extreme mass-ratio inspirals at (galaxy redshifts) and massive black hole binaries at $z…
Probing beyond the Standard Model with gravitational waves from phase transitions
Chiara Caprini
This review article is based on a seminar presented at the Higgs pairs workshop 2025. Stochastic gravitational wave backgrounds can serve as probe of the diverse phenomenology enco…
Primordial gravitational wave backgrounds from phase transitions with next generation ground based detectors
Chiara Caprini, Oriol Pujolàs, Hippolyte Quelquejay-Leclere +2
Third generation ground-based gravitational wave (GW) detectors, such as Einstein Telescope and Cosmic Explorer, will operate in the Hz frequency band, with a b…
Gravitational waves from first-order phase transitions in LISA: reconstruction pipeline and physics interpretation
Chiara Caprini, Ryusuke Jinno, Marek Lewicki +6
We develop a tool for the analysis of stochastic gravitational wave backgrounds from cosmological first-order phase transitions with LISA: we initiate a template databank for these…
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…
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…
LISA and -ray telescopes as multi-messenger probes of a first-order cosmological phase transition
A. Roper Pol, A. Neronov, C. Caprini +2
We study two possible cosmological consequences of a first-order phase transition in the temperature range of 1 GeV to TeV: the generation of a stochastic gravitational wave…
The second data release from the European Pulsar Timing Array: IV. Implications for massive black holes, dark matter and the early Universe
J. Antoniadis, P. Arumugam, S. Arumugam +111
The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of their second and fir…
Stochastic gravitational wave background from stellar origin binary black holes in LISA
Stanislav Babak, Chiara Caprini, Daniel G. Figueroa +7
We use the latest constraints on the population of stellar origin binary black holes (SOBBH) from LIGO/Virgo/KAGRA (LVK) observations, to estimate the stochastic gravitational wave…
Generation of gravitational waves from freely decaying turbulence
Pierre Auclair, Chiara Caprini, Daniel Cutting +4
We study the stochastic gravitational wave background (SGWB) produced by freely decaying vortical turbulence in the early Universe. We thoroughly investigate the time correlation o…
Cosmology with the Laser Interferometer Space Antenna
Pierre Auclair, David Bacon, Tessa Baker +177
The Laser Interferometer Space Antenna (LISA) has two scientific objectives of cosmological focus: to probe the expansion rate of the universe, and to understand stochastic gravita…
Gravitational wave signal from primordial magnetic fields in the Pulsar Timing Array frequency band
Alberto Roper Pol, Chiara Caprini, Andrii Neronov +1
The NANOGrav, Parkes, European, and International Pulsar Timing Array (PTA) Collaborations have reported evidence for a common-spectrum process that can potentially correspond to a…
Detecting gravitational waves from cosmological phase transitions with LISA: an update
Chiara Caprini, Mikael Chala, Glauber C. Dorsch +11
We investigate the potential for observing gravitational waves from cosmological phase transitions with LISA in light of recent theoretical and experimental developments. Our analy…
Reconstructing the spectral shape of a stochastic gravitational wave background with LISA
Chiara Caprini, Daniel G. Figueroa, Raphael Flauger +5
We present a set of tools to assess the capabilities of LISA to detect and reconstruct the spectral shape and amplitude of a stochastic gravitational wave background (SGWB). We fir…
Cosmological Backgrounds of Gravitational Waves
Chiara Caprini, Daniel G. Figueroa
Gravitational waves (GWs) have a great potential to probe cosmology. We review early universe sources that can lead to cosmological backgrounds of GWs. We begin by presenting defin…
Inflationary magnetogenesis with added helicity: constraints from non-gaussianities
Chiara Caprini, Maria Chiara Guzzetti, Lorenzo Sorbo
In previous work, two of us have proposed a model of inflationary magnetogenesis based on a rolling auxiliary field able both to account for the magnetic fields inferred by the (no…
Science with the space-based interferometer LISA. IV: Probing inflation with gravitational waves
Nicola Bartolo, Chiara Caprini, Valerie Domcke +11
We investigate the potential for the LISA space-based interferometer to detect the stochastic gravitational wave background produced from different mechanisms during inflation. Foc…
The effect of matter structure on the gravitational waveform
Camille Bonvin, Chiara Caprini, Riccardo Sturani +1
Third generation ground-based interferometers as well as the planned space-based interferometer LISA are expected to detect a plethora of gravitational wave signals from coalescing…
Constraining early and interacting dark energy with gravitational wave standard sirens: the potential of the eLISA mission
Chiara Caprini, Nicola Tamanini
We perform a forecast analysis of the capability of the eLISA space-based interferometer to constrain models of early and interacting dark energy using gravitational wave standard…
Science with the space-based interferometer eLISA. III: Probing the expansion of the Universe using gravitational wave standard sirens
Nicola Tamanini, Chiara Caprini, Enrico Barausse +3
We investigate the capability of various configurations of the space interferometer eLISA to probe the late-time background expansion of the universe using gravitational wave stand…
Science with the space-based interferometer eLISA. II: Gravitational waves from cosmological phase transitions
Chiara Caprini, Mark Hindmarsh, Stephan Huber +8
We investigate the potential for the eLISA space-based interferometer to detect the stochastic gravitational wave background produced by strong first-order cosmological phase trans…
Gamma-ray observations of blazars and the intergalactic magnetic field spectrum
Chiara Caprini, Stefano Gabici
Very-high energy observations of blazars can be used to constrain the strength of the intergalactic magnetic field. A simplifying assumption which is often made is that of a magnet…
Adding helicity to inflationary magnetogenesis
Chiara Caprini, Lorenzo Sorbo
The most studied mechanism of inflationary magnetogenesis relies on the time-dependence of the coefficient of the gauge kinetic term . Unfortunately, only extreme…