Publications (89)
Next-to-next-to-leading order post-Newtonian spin-orbit Hamiltonian for self-gravitating binaries
Johannes Hartung, Jan Steinhoff
We present the next-to-next-to-leading order post-Newtonian (PN) spin-orbit Hamiltonian for two self-gravitating spinning compact objects. If at least one of the objects is rapidly…
Conservative and radiative dynamics in classical relativistic scattering and bound systems
M. V. S. Saketh, Justin Vines, Jan Steinhoff +1
As recent work continues to demonstrate, the study of relativistic scattering processes leads to valuable insights and computational tools applicable to the relativistic bound-orbi…
Spin effects on the dynamics of compact binaries
Jan Steinhoff
Compact binaries are the most promising source for the advanced gravitational wave detectors, which will start operating this year. The influence of spin on the binary evolution is…
Canonical formulation of gravitating spinning objects at 3.5 post-Newtonian order
Jan Steinhoff, Han Wang
The 3.5 post-Newtonian (PN) order is tackled by extending the canonical formalism of Arnowitt, Deser, and Misner to spinning objects. This extension is constructed order by order i…
Classical Gravitational Bremsstrahlung from a Worldline Quantum Field Theory
Gustav Uhre Jakobsen, Gustav Mogull, Jan Plefka +1
Using the recently established formalism of a worldline quantum field theory (WQFT) description of the classical scattering of two spinless black holes, we compute the far-field ti…
Confronting general relativity with principal component analysis: Simulations and results from GWTC-3 events
Parthapratim Mahapatra, Sayantani Datta, Ish Gupta +10
We present a comprehensive assessment of multiparameter tests of general relativity (GR) in the inspiral regime of compact binary coalescences using principal component analysis (P…
Spinning gravitating objects in the effective field theory in the post-Newtonian scheme
Michele Levi, Jan Steinhoff
We introduce a formulation for spinning gravitating objects in the effective field theory in the post-Newtonian scheme in the context of the binary inspiral problem. We aim at an e…
Spin-multipole effects in binary black holes and the test-body limit
Justin Vines, Jan Steinhoff
We discuss the effects of the black holes' spin-multipole structure in the orbital dynamics of binary black holes according to general relativity, focusing on the leading-post-Newt…
Canonical Hamiltonian for an extended test body in curved spacetime: To quadratic order in spin
Justin Vines, Daniela Kunst, Jan Steinhoff +1
We derive a Hamiltonian for an extended spinning test body in a curved background spacetime, to quadratic order in the spin, in terms of three-dimensional position, momentum, and s…
Tidal properties of neutron stars in scalar-tensor theories of gravity
Gastón Creci, Tanja Hinderer, Jan Steinhoff
A major science goal of gravitational-wave (GW) observations is to probe the nature of gravity and constrain modifications to General Relativity. An established class of modified g…
Gravitational Bremsstrahlung and Hidden Supersymmetry of Spinning Bodies
Gustav Uhre Jakobsen, Gustav Mogull, Jan Plefka +1
The recently established formalism of a worldline quantum field theory, which describes the classical scattering of massive bodies in Einstein gravity, is generalized up to quadrat…
Theory-agnostic framework for dynamical scalarization of compact binaries
Mohammed Khalil, Noah Sennett, Jan Steinhoff +1
Gravitational wave observations can provide unprecedented insight into the fundamental nature of gravity and allow for novel tests of modifications to General Relativity. One propo…
Tests of General Relativity with Gravitational-Wave Observations using a Flexible--Theory-Independent Method
Ajit Kumar Mehta, Alessandra Buonanno, Roberto Cotesta +3
We perform tests of General Relativity (GR) with gravitational waves (GWs) from the inspiral stage of compact binaries using a theory-independent framework, which adds generic phas…
On the comparison of results regarding the post-Newtonian approximate treatment of the dynamics of extended spinning compact binaries
Steven Hergt, Jan Steinhoff, Gerhard Schaefer
A brief review is given of all the Hamiltonians and effective potentials calculated hitherto covering the post-Newtonian (pN) dynamics of a two body system. A method is presented t…
Reduced Hamiltonian for next-to-leading order Spin-Squared Dynamics of General Compact Binaries
Steven Hergt, Jan Steinhoff, Gerhard Schaefer
Within the post Newtonian framework the fully reduced Hamiltonian (i.e., with eliminated spin supplementary condition) for the next-to-leading order spin-squared dynamics of genera…
Modeling matter(s) in SEOBNRv5THM: Generating fast and accurate effective-one-body waveforms for spin-aligned binary neutron stars
Marcus Haberland, Alessandra Buonanno, Jan Steinhoff
We present SEOBNRv5THM, an accurate and fast gravitational-waveform model for quasi-circular, spinning, non-precessing binary neutron stars (BNS) within the effective-one-body (EOB…
Effects of neutron-star dynamic tides on gravitational waveforms within the effective-one-body approach
Tanja Hinderer, Andrea Taracchini, Francois Foucart +11
Extracting the unique information on ultradense nuclear matter from the gravitational waves emitted by merging, neutron-star binaries requires robust theoretical models of the sign…
I-Q relation for rapidly rotating neutron stars
Sayan Chakrabarti, Térence Delsate, Norman Gürlebeck +1
We consider a universal relation between moment of inertia and quadrupole moment of arbitrarily fast rotating neutron stars. Recent studies suggest that this relation breaks down f…
Breakdown of the classical double copy for the effective action of dilaton-gravity at NNLO
Jan Plefka, Canxin Shi, Jan Steinhoff +1
We demonstrate that a recently proposed classical double copy procedure to construct the effective action of two massive particles in dilaton-gravity from the analogous problem of…
Spin-squared Hamiltonian of next-to-leading order gravitational interaction
Jan Steinhoff, Steven Hergt, Gerhard Schäfer
The static, i.e., linear momentum independent, part of the next-to-leading order (NLO) gravitational spin(1)-spin(1) interaction Hamiltonian within the post-Newtonian (PN) approxim…
Gravitoelectric dynamical tides at second post-Newtonian order
Manoj K. Mandal, Pierpaolo Mastrolia, Hector O. Silva +2
We present a gravitoelectric quadrupolar dynamical tidal-interaction Hamiltonian for a compact binary system, that is valid to second order in the post-Newtonian expansion. Our der…
Fourth post-Newtonian effective-one-body Hamiltonians with generic spins
Mohammed Khalil, Jan Steinhoff, Justin Vines +1
In a compact binary coalescence, the spins of the compact objects can have a significant effect on the orbital motion and gravitational-wave (GW) emission. For generic spin orienta…
Spin and quadrupole contributions to the motion of astrophysical binaries
Jan Steinhoff
Compact objects in general relativity approximately move along geodesics of spacetime. It is shown that the corrections to geodesic motion due to spin (dipole), quadrupole, and hig…
Relativistic effective action of dynamical gravitomagnetic tides for slowly rotating neutron stars
Pawan Kumar Gupta, Jan Steinhoff, Tanja Hinderer
Gravitomagnetic quasi-normal modes of neutron stars are resonantly excited by tidal effects during a binary inspiral, leading to a potentially measurable effect in the gravitationa…
High-accuracy simulations of highly spinning binary neutron star systems
Reetika Dudi, Tim Dietrich, Alireza Rashti +3
With an increasing number of expected gravitational-wave detections of binary neutron star mergers, it is essential that gravitational-wave models employed for the analysis of obse…
Recent progress in spin calculations in the post-Newtonian framework and applications
Johannes Hartung, Jan Steinhoff, Gerhard Schäfer
Recently we derived the next-to-next-to-leading order post-Newtonian Hamiltonians at spin-orbit and spin(1)-spin(2) level for a binary system of compact objects. In this talk the d…
Investigating tidal heating in neutron stars via gravitational Raman scattering
M. V. S. Saketh, Zihan Zhou, Suprovo Ghosh +2
We present a scattering amplitude formalism to study the tidal heating effects of nonspinning neutron stars incorporating both worldline effective field theory and relativistic ste…
All-order structure of static gravitational interactions and the seventh post-Newtonian potential
Giacomo Brunello, Manoj K. Mandal, Pierpaolo Mastrolia +4
We present a closed formula for the computation of static post-Newtonian corrections to the two-body gravitational dynamics at any odd order, assuming the lower-order results are k…
Elimination of the spin supplementary condition in the effective field theory approach to the post-Newtonian approximation
Steven Hergt, Jan Steinhoff, Gerhard Schaefer
The present paper addresses open questions regarding the handling of the spin supplementary condition within the effective field theory approach to the post-Newtonian approximation…
Six-loop gravitational interactions at the sixth post-Newtonian order
Giacomo Brunello, Manoj K. Mandal, Pierpaolo Mastrolia +6
We compute the gravitational interaction of two coalescing compact objects at sixth post-Newtonian order in the static limit, employing the diagrammatic approach within the effecti…
Gravitational Quadratic-in-Spin Hamiltonian at NNNLO in the post-Newtonian framework
Manoj K. Mandal, Pierpaolo Mastrolia, Raj Patil +1
We present the result of the quadratic-in-spin interaction Hamiltonian for binary systems of rotating compact objects with generic spins, up to NNNLO corrections within the post-Ne…
A tight universal relation between the shape eccentricity and the moment of inertia for rotating neutron stars
Yong Gao, Lijing Shao, Jan Steinhoff
Universal relations that are insensitive to the equation of state (EoS) are useful in reducing the parameter space when measuring global quantities of neutron stars (NSs). In this…
Effective action of dilaton gravity as the classical double copy of Yang-Mills theory
Jan Plefka, Jan Steinhoff, Wadim Wormsbecher
We compute the classical effective action of color charges moving along worldlines by integrating out the Yang-Mills gauge field to next-to-leading order in the coupling. An adapte…
Equivalence of ADM Hamiltonian and Effective Field Theory approaches at next-to-next-to-leading order spin1-spin2 coupling of binary inspirals
Michele Levi, Jan Steinhoff
The next-to-next-to-leading order spin1-spin2 potential for an inspiralling binary, that is essential for accuracy to fourth post-Newtonian order, if both components in the binary…
Influence of internal structure on the motion of test bodies in extreme mass ratio situations (MG13)
Jan Steinhoff, Dirk Puetzfeld
We present some recent results on the motion of test bodies with internal structure in General Relativity. On the basis of a multipolar approximation scheme, we study the motion of…
Detweiler's redshift invariant for extended bodies orbiting a Schwarzschild black hole
Donato Bini, Andrea Geralico, Jan Steinhoff
We compute the first-order self-force contribution to Detweiler's redshift invariant for extended bodies endowed with both dipolar and quadrupolar structure (with spin-induced quad…
Comment on recent papers regarding next-to-leading order spin-spin effects in gravitational interaction
Jan Steinhoff, Gerhard Schäfer
It is argued that the tetrad in a recent paper by Porto and Rothstein on gravitational spin-spin coupling should not have the given form. The fixation of that tetrad was suggested…
Radiation-reaction force and multipolar waveforms for eccentric, spin-aligned binaries in the effective-one-body formalism
Mohammed Khalil, Alessandra Buonanno, Jan Steinhoff +1
While most binary inspirals are expected to have circularized before they enter the LIGO/Virgo frequency band, a small fraction of those binaries could have non-negligible orbital…
Energetics of two-body Hamiltonians in post-Minkowskian gravity
Andrea Antonelli, Alessandra Buonanno, Jan Steinhoff +2
Advanced methods for computing perturbative, quantum-gravitational scattering amplitudes show great promise for improving our knowledge of classical gravitational dynamics. This is…
Multipolar equations of motion for extended test bodies in General Relativity
Jan Steinhoff, Dirk Puetzfeld
We derive the equations of motion of an extended test body in the context of Einstein's theory of gravitation. The equations of motion are obtained via a multipolar approximation m…
EFTofPNG: A package for high precision computation with the Effective Field Theory of Post-Newtonian Gravity
Michele Levi, Jan Steinhoff
We present a new public package "EFTofPNG" for high precision computation in the effective field theory of post-Newtonian (PN) Gravity, including spins. We created this package in…
Radiating Love: adiabatic tidal fluxes and modes up to next-to-next-to-leading post-Newtonian order
Manoj K. Mandal, Pierpaolo Mastrolia, Raj Patil +1
We present the analytic evaluation of the gravitational energy and of the angular momentum flux with tidal effects for inspiraling compact binaries, at next-to-next-to-leading post…
Next-to-next-to-leading order gravitational spin-squared potential via the effective field theory for spinning objects in the post-Newtonian scheme
Michèle Levi, Jan Steinhoff
The next-to-next-to-leading order spin-squared interaction potential for generic compact binaries is derived for the first time via the effective field theory for gravitating spinn…
Distinguishing Boson Stars from Black Holes and Neutron Stars from Tidal Interactions in Inspiraling Binary Systems
Noah Sennett, Tanja Hinderer, Jan Steinhoff +2
Binary systems containing boson stars---self-gravitating configurations of a complex scalar field--- can potentially mimic black holes or neutron stars as gravitational-wave source…
A Parametrized Test of General Relativity for LISA Massive Black Hole Binary Inspirals
Manuel Piarulli, Sylvain Marsat, Elise M. Sänger +3
Laser Interferometer Space Antenna (LISA) observations of massive black hole binaries (MBHBs) will provide long duration inspiral signals with high signal-to-noise ratio (SNR) data…
Next-to-next-to-leading order gravitational spin-orbit coupling via the effective field theory for spinning objects in the post-Newtonian scheme
Michèle Levi, Jan Steinhoff
We implement the effective field theory for gravitating spinning objects in the post-Newtonian scheme at the next-to-next-to-leading order level to derive the gravitational spin-or…
Canonical Angles In A Compact Binary Star System With Spinning Components: Approximative Solution Through Next-To-Leading-Order Spin-Orbit Interaction for Circular Orbits
Manuel Tessmer, Jan Steinhoff, Gerhard Schäfer
This publication will deal with an explicit determination of the time evolution of the spin orientation axes and the evolution of the orbital phase in the case of circular orbits u…
Gravitational Spin-Orbit Hamiltonian at NNNLO in the post-Newtonian framework
Manoj K. Mandal, Pierpaolo Mastrolia, Raj Patil +1
We present the result of the spin-orbit interaction Hamiltonian for binary systems of rotating compact objects with generic spins, up to NNNLO corrections within the post-Newtonian…
Spin supplementary condition in quantum field theory: covariant SSC and physical state projection
Jung-Wook Kim, Jan Steinhoff
The spin supplementary conditions are constraints on spin degrees of freedom in classical relativity which restricts physical degrees of freedom to rotations. It is argued that the…
Gravitational spin-orbit and aligned spin-spin couplings through third-subleading post-Newtonian orders
Andrea Antonelli, Chris Kavanagh, Mohammed Khalil +2
The study of scattering encounters continues to provide new insights into the general relativistic two-body problem. The local-in-time conservative dynamics of an aligned-spin bina…
Next-to-leading order spin-orbit and spin(a)-spin(b) Hamiltonians for n gravitating spinning compact objects
Johannes Hartung, Jan Steinhoff
We derive the post-Newtonian next-to-leading order conservative spin-orbit and spin(a)-spin(b) gravitational interaction Hamiltonians for arbitrary many compact objects. The spin-o…
Hairy binary black holes in Einstein-Maxwell-dilaton theory and their effective-one-body description
Mohammed Khalil, Noah Sennett, Jan Steinhoff +2
In General Relativity and many modified theories of gravity, isolated black holes (BHs) cannot source massless scalar fields. Einstein-Maxwell-dilaton (EMd) theory is an exception:…
An effective action model of dynamically scalarizing binary neutron stars
Noah Sennett, Lijing Shao, Jan Steinhoff
Gravitational waves can be used to test general relativity (GR) in the highly dynamical strong-field regime. Scalar-tensor theories of gravity are natural alternatives to GR that c…
SUSY in the Sky with Gravitons
Gustav Uhre Jakobsen, Gustav Mogull, Jan Plefka +1
Picture yourself in the wave zone of a gravitational scattering event of two massive, spinning compact bodies (black holes, neutron stars or stars). We show that this system of gen…
Gravitational spin-orbit coupling through third-subleading post-Newtonian order: from first-order self-force to arbitrary mass ratios
Andrea Antonelli, Chris Kavanagh, Mohammed Khalil +2
Exploiting simple yet remarkable properties of relativistic gravitational scattering, we use first-order self-force (linear-in-mass-ratio) results to obtain arbitrary-mass-ratio re…
Tests of General Relativity with GW230529: a neutron star merging with a lower mass-gap compact object
Elise M. Sänger, Soumen Roy, Michalis Agathos +16
On May 29, 2023, the LIGO Livingston observatory detected the gravitational-wave signal GW230529_181500 from the merger of a neutron star with a lower mass-gap compact object. Its…
Complete conservative dynamics for inspiralling compact binaries with spins at the fourth post-Newtonian order
Michèle Levi, Jan Steinhoff
In this work we complete the spin-dependent conservative dynamics of inspiralling compact binaries at the fourth post-Newtonian order, and in particular the derivation of the next-…
New insights on the matter-gravity coupling paradigm
Térence Delsate, Jan Steinhoff
The coupling between matter and gravity in General Relativity is given by a proportionality relation between the stress tensor and the geometry. This is an oriented assumption driv…
Quasi-circular inspirals and plunges from non-spinning effective-one-body Hamiltonians with gravitational self-force information
Andrea Antonelli, Maarten van de Meent, Alessandra Buonanno +2
The self-force program aims at accurately modeling relativistic two-body systems with a small mass ratio (SMR). In the context of the effective-one-body (EOB) framework, current re…
Dynamical Tides in General Relativity: Effective Action and Effective-One-Body Hamiltonian
Jan Steinhoff, Tanja Hinderer, Alessandra Buonanno +1
Tidal effects have an important impact on the late inspiral of compact binary systems containing neutron stars. Most current models of tidal deformations of neutron stars assume th…
Leading order finite size effects with spins for inspiralling compact binaries
Michele Levi, Jan Steinhoff
The leading order finite size effects due to spin, namely that of the cubic and quartic in spin interactions, are derived for the first time for generic compact binaries via the ef…
Canonical formulation of self-gravitating spinning-object systems
Jan Steinhoff, Gerhard Schäfer
Based on the Arnowitt-Deser-Misner (ADM) canonical formulation of general relativity, a canonical formulation of gravitationally interacting classical spinning-object systems is gi…
ADM canonical formalism for gravitating spinning objects
Jan Steinhoff, Gerhard Schäfer, Steven Hergt
In general relativity, systems of spinning classical particles are implemented into the canonical formalism of Arnowitt, Deser, and Misner [1]. The implementation is made with the…
Classical black hole scattering from a worldline quantum field theory
Gustav Mogull, Jan Plefka, Jan Steinhoff
A precise link is derived between scalar-graviton S-matrix elements and expectation values of operators in a worldline quantum field theory (WQFT), both used to describe classical…
The next-to-leading order gravitational spin(1)-spin(2) dynamics in Hamiltonian form
Jan Steinhoff, Steven Hergt, Gerhard Schäfer
Based on recent developments by the authors a next-to-leading order spin(1)-spin(2) Hamiltonian is derived for the first time. The result is obtained within the canonical formalism…
Spin effects on neutron star fundamental-mode dynamical tides: phenomenology and comparison to numerical simulations
Jan Steinhoff, Tanja Hinderer, Tim Dietrich +1
Gravitational waves from neutron star binary inspirals contain information on strongly-interacting matter in unexplored, extreme regimes. Extracting this requires robust theoretica…
The Science of the Einstein Telescope
Adrian Abac, Raul Abramo, Simone Albanesi +485
Einstein Telescope (ET) is the European project for a gravitational-wave (GW) observatory of third-generation. In this paper we present a comprehensive discussion of its science ob…
Canonical Formulation of Spin in General Relativity
Jan Steinhoff
The present thesis aims at an extension of the canonical formalism of Arnowitt, Deser, and Misner from self-gravitating point-masses to objects with spin. This would allow interest…
Magnusian: Relating the Eikonal Phase, the On-Shell Action, and the Scattering Generator
Jung-Wook Kim, Raj Patil, Trevor Scheopner +1
Two fundamentally distinct types of quantities are both called "eikonal" in present amplitudes literature. The unitarity of the S-matrix ensures it can be written as the exponentia…
Tidal effects in gravitational waves from neutron stars in scalar-tensor theories of gravity
Gastón Creci, Iris van Gemeren, Tanja Hinderer +1
We compute tidal signatures in the gravitational waves (GWs) from neutron star binary inspirals in scalar-tensor gravity, where the dominant adiabatic even-parity tidal interaction…
Hamiltonians and canonical coordinates for spinning particles in curved space-time
VojtÄch Witzany, Jan Steinhoff, Georgios Lukes-Gerakopoulos
The spin-curvature coupling as captured by the so-called Mathisson-Papapetrou-Dixon (MPD) equations is the leading order effect of the finite size of a rapidly rotating compact ast…
Spin gauge symmetry in the action principle for classical relativistic particles
Jan Steinhoff
We suggest that the physically irrelevant choice of a representative worldline of a relativistic spinning particle should correspond to a gauge symmetry in an action approach. Usin…
Dynamical tidal Love numbers of black holes under generic perturbations: Connecting black hole perturbation theory with effective field theory
Sumanta Chakraborty, M. V. S Saketh, Tanja Hinderer +1
The foundation for modeling the coupling of the internal structure of compact objects in binary systems to their dynamics and emitted gravitational waves is a systematic effective…
Energetics and scattering of gravitational two-body systems at fourth post-Minkowskian order
Mohammed Khalil, Alessandra Buonanno, Jan Steinhoff +1
Upcoming observational runs of the LIGO-Virgo-KAGRA collaboration, and future gravitational-wave (GW) detectors on the ground and in space, require waveform models more accurate th…
Gravitational waves from spinning binary black holes at the leading post-Newtonian orders at all orders in spin
Nils Siemonsen, Jan Steinhoff, Justin Vines
We determine the binding energy, the total gravitational wave energy flux, and the gravitational wave modes for a binary of rapidly spinning black holes, working in linearized grav…
Leading-order spin-orbit and spin(1)-spin(2) radiation-reaction Hamiltonians
Han Wang, Jan Steinhoff, Jing Zeng +1
In the present paper, the leading-order post-Newtonian spin-orbit and spin(1)-spin(2) radiation-reaction Hamiltonians are calculated. We utilize the canonical formalism of Arnowitt…
Renormalizing Love: tidal effects at the third post-Newtonian order
Manoj K. Mandal, Pierpaolo Mastrolia, Hector O. Silva +2
We present the conservative effective two-body Hamiltonian at the third order in the post-Newtonian expansion with gravitoelectric quadrupolar dynamical tidal-interactions. Our der…
Tidal response from scattering and the role of analytic continuation
Gastón Creci, Tanja Hinderer, Jan Steinhoff
The tidal response of a compact object is a key gravitational-wave observable encoding information about its interior. This link is subtle due to the nonlinearities of general rela…
Quasinormal modes and their excitation beyond general relativity
Hector O. Silva, Giovanni Tambalo, Kostas Glampedakis +2
The response of black holes to small perturbations is known to be partially described by a superposition of quasinormal modes. Despite their importance to enable strong-field tests…
Effect of dynamical gravitomagnetic tides on measurability of tidal parameters for binary neutron stars using gravitational waves
Pawan Kumar Gupta, Jan Steinhoff, Tanja Hinderer
Gravitational waves (GWs) from binary neutron stars (NSs) have opened unique opportunities to constrain the nuclear equation of state by measuring tidal effects associated with the…
Modeling horizon absorption in spinning binary black holes using effective worldline theory
M. V. S. Saketh, Jan Steinhoff, Justin Vines +1
The mass and spin of black holes (BHs) in binary systems may change due to the infall of gravitational-wave (GW) energy down the horizons. For spinning BHs, this effect enters at 2…
Influence of internal structure on the motion of test bodies in extreme mass ratio situations
Jan Steinhoff, Dirk Puetzfeld
We investigate the motion of test bodies with internal structure in General Relativity. With the help of a multipolar approximation method for extended test bodies we derive the eq…
Next-to-next-to-leading order post-Newtonian linear-in-spin binary Hamiltonians
Johannes Hartung, Jan Steinhoff, Gerhard Schäfer
The next-to-next-to-leading order post-Newtonian spin-orbit and spin(1)-spin(2) Hamiltonians for binary compact objects in general relativity are derived. The Arnowitt-Deser-Misner…
Next-to-next-to-leading order post-Newtonian spin(1)-spin(2) Hamiltonian for self-gravitating binaries
Johannes Hartung, Jan Steinhoff
We present the next-to-next-to-leading order post-Newtonian (PN) spin(1)-spin(2) Hamiltonian for two self-gravitating spinning compact objects. If both objects are rapidly rotating…
New perspectives on neutron star and black hole spectroscopy and dynamic tides
Sayan Chakrabarti, Térence Delsate, Jan Steinhoff
We elaborate on a powerful tidal interaction formalism where the multipole dynamics is kept generic and encoded in a linear response function. This response function is the gravita…
New and Robust Gravitational-Waveform Model for High-Mass-Ratio Binary Neutron Star Systems with Dynamical Tidal Effects
Adrian Abac, Tim Dietrich, Alessandra Buonanno +2
For the analysis of gravitational-wave signals, fast and accurate gravitational-waveform models are required. These enable us to obtain information on the system properties from co…
Effective-action model for dynamical scalarization beyond the adiabatic approximation
Mohammed Khalil, Raissa F. P. Mendes, Néstor Ortiz +1
In certain scalar-field extensions to general relativity, scalar charges can develop on compact objects in an inspiraling binary -- an effect known as dynamical scalarization. This…
Spinning-black-hole scattering and the test-black-hole limit at second post-Minkowskian order
Justin Vines, Jan Steinhoff, Alessandra Buonanno
Recently, the gravitational scattering of two black holes (BHs) treated at the leading order in the weak-field, or post-Minkowskian (PM), approximation to General Relativity has be…
Effective action and linear response of compact objects in Newtonian gravity
Sayan Chakrabarti, Térence Delsate, Jan Steinhoff
We apply an effective field theory method for the gravitational interaction of compact stars, developed within the context of general relativity, to Newtonian gravity. In this effe…