132 citations · 1.2k across the 41 of their papers we have counts for
46 papers
Toward the CompactHedron: Bounds on Neutron Stars from Microscopic Principles
Thomas Apostolidis, Alessandro Longo, Borna Salehian +1
We investigate the implications of causality and positivity for the tidal Love numbers of gravitating objects. We work within the framework of point-particle effective field theory…
Dynamical tidal response of neutron stars: From effective field theory to gravitational waveforms
Thomas Apostolidis, Valerio De Luca, Leonardo Gualtieri +3
We investigate the fully relativistic dynamical tidal response of neutron stars up to second order in the frequency. Combining the worldline effective field theory for extended gra…
Love numbers of black holes and compact objects
María J. Rodríguez, Luca Santoni, Adam R. Solomon
The Love numbers of a gravitating body are response coefficients encoding its tidal deformability. In compact binary systems, they appear in the gravitational waveform during the i…
Nonlinear Relativistic Tidal Response of Neutron Stars
Paolo Pani, Massimiliano Maria Riva, Luca Santoni +2
We investigate the nonlinear tidal response of relativistic neutron stars by computing the fully relativistic, static, quadratic Love numbers. Using both the worldline effective fi…
Dynamical Tidal Response of Schwarzschild Black Holes
Oscar Combaluzier--Szteinsznaider, Daniel Glazer, Austin Joyce +2
Dynamical Love numbers capture the conservative response of an object to a time-dependent external tidal gravitational field. We compute the dynamical Love numbers of Schwarzschild…
Higher-Dimensional Black Holes and Effective Field Theory
Daniel Glazer, Austin Joyce, Maria J. Rodriguez +3
We study the scalar tidal responses of spinning higher-dimensional black holes, and their effective field theory description. After constructing the effective field theory of a spi…
Symmetries of Vanishing Nonlinear Love Numbers of Schwarzschild Black Holes
Oscar Combaluzier-Szteinsznaider, Lam Hui, Luca Santoni +2
The tidal Love numbers parametrize the conservative induced tidal response of self-gravitating objects. It is well established that asymptotically-flat black holes in four-dimensio…
Vanishing of Quadratic Love Numbers of Schwarzschild Black Holes
Simon Iteanu, Massimiliano Maria Riva, Luca Santoni +2
The induced conservative tidal response of self-gravitating objects in general relativity is parametrized in terms of a set of coefficients, which are commonly referred to as Love…
Perturbations of the Vaidya metric in the frequency domain: Quasi-normal modes and tidal response
Lodovico Capuano, Luca Santoni, Enrico Barausse
The mass of a black hole can dynamically evolve due to various physical processes, such as for instance accretion, Hawking radiation, absorption of gravitational/electromagnetic wa…
Ladder Symmetries and Love Numbers of Reissner--Nordström Black Holes
Mudit Rai, Luca Santoni
It is well known that asymptotically flat black holes in general relativity have vanishing tidal Love numbers. In the case of Schwarzschild and Kerr black holes, this property has…
Fermions at finite density in the path integral approach
Alessandro Podo, Luca Santoni
We study relativistic fermionic systems in spacetime dimensions at finite chemical potential and zero temperature, from a path-integral point of view. We show how to properly…
Vanishing of Nonlinear Tidal Love Numbers of Schwarzschild Black Holes
Massimiliano Maria Riva, Luca Santoni, Nikola Savić +1
It is well known that asymptotically flat Schwarzschild black holes in general relativity in four spacetime dimensions have vanishing induced linear tidal response. We extend this…
Love Numbers for Rotating Black Holes in Higher Dimensions
Maria J. Rodriguez, Luca Santoni, Adam R. Solomon +1
We compute the tidal Love numbers and static response coefficients associated to several rotating black holes in higher dimensions, including Myers-Perry black holes, black rings,…
Dissipative Inflation via Scalar Production
Paolo Creminelli, Soubhik Kumar, Borna Salehian +1
We describe a new mechanism that gives rise to dissipation during cosmic inflation. In the simplest implementation, the mechanism requires the presence of a massive scalar field wi…
The connection between nonzero density and spontaneous symmetry breaking for interacting scalars
Alberto Nicolis, Alessandro Podo, Luca Santoni
We consider -symmetric scalar quantum field theories at zero temperature. At nonzero charge densities, the ground state of these systems is usually assumed to be a supe…
Black hole hairs in scalar-tensor gravity and the lack thereof
Lodovico Capuano, Luca Santoni, Enrico Barausse
Scalar-tensor theories are a natural alternative to general relativity, as they may provide an effective dark energy phenomenology on cosmological scales while passing local tests,…
Soft theorems for boosts and other time symmetries
Lam Hui, Austin Joyce, Ilia Komissarov +3
We derive soft theorems for theories in which time symmetries -- symmetries that involve the transformation of time, an example of which are Lorentz boosts -- are spontaneously bro…
An analytic approach to quasinormal modes for coupled linear systems
Lam Hui, Alessandro Podo, Luca Santoni +1
Quasinormal modes describe the ringdown of compact objects deformed by small perturbations. In generic theories of gravity that extend General Relativity, the linearized dynamics o…
Black hole superradiance with (dark) matter accretion
Lam Hui, Y. T. Albert Law, Luca Santoni +3
Studies of black hole superradiance often focus on the growth of a cloud in isolation, accompanied by the spin-down of the black hole. In this paper, we consider the additional eff…
Integrating out beyond tree level and relativistic superfluids
Austin Joyce, Alberto Nicolis, Alessandro Podo +1
We revisit certain subtleties of renormalization that arise when one derives a low-energy effective action by integrating out the heavy fields of a more complete theory. Usually th…
Near-Zone Symmetries of Kerr Black Holes
Lam Hui, Austin Joyce, Riccardo Penco +2
We study the near-zone symmetries of a massless scalar field on four-dimensional black hole backgrounds. We provide a geometric understanding that unifies various recently discover…
Effective Field Theory for the Perturbations of a Slowly Rotating Black Hole
Lam Hui, Alessandro Podo, Luca Santoni +1
We develop the effective theory for perturbations around black holes with scalar hair, in two directions. First, we show that the scalar-Gauss--Bonnet theory, often used as an exam…
Large power spectrum and primordial black holes in the effective theory of inflation
Guillermo Ballesteros, Sebastián Céspedes, Luca Santoni
We study the generation of a large power spectrum, necessary for primordial black hole formation, within the effective theory of single-field inflation. The mechanisms we consider…
Ladder Symmetries of Black Holes: Implications for Love Numbers and No-Hair Theorems
Lam Hui, Austin Joyce, Riccardo Penco +2
It is well known that asymptotically flat black holes in general relativity have a vanishing static, conservative tidal response. We show that this is a result of linearly realized…