Amplitudes, Observables, and Classical Scattering

Abstract

We present a formalism for computing classically measurable quantities directly from on-shell quantum scattering amplitudes. We discuss the ingredients needed for obtaining the classical result, and show how to set up the calculation to derive the result efficiently. We do this without specializing to a specific theory. We study in detail two examples in electrodynamics: the momentum transfer in spinless scattering to next-to-leading order, and the momentum radiated to leading order.

76 pages

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• GW151226: Observation of Gravitational Waves from a 22-Solar-Mass Binary Black Hole Coalescence
• GW170104: Observation of a 50-Solar-Mass Binary Black Hole Coalescence at Redshift 0.2
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• Evolution of Binary Black Hole Spacetimes
• Effective one-body approach to general relativistic two-body dynamics
• General relativity as an effective field theory: The leading quantum corrections
• New Relations for Gauge-Theory Amplitudes
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• Transition from inspiral to plunge in binary black hole coalescences
• An Effective Field Theory of Gravity for Extended Objects
• Coalescence of Two Spinning Black Holes: An Effective One-Body Approach
• Leading Quantum Correction to the Newtonian Potential
• On the determination of the last stable orbit for circular general relativistic binaries at the third post-Newtonian approximation
• The Effective Field Theorist's Approach to Gravitational Dynamics
• From Scattering Amplitudes to Classical Potentials in the Post-Minkowskian Expansion
• Black holes and the double copy
• Quantum Gravitational Corrections to the Nonrelativistic Scattering Potential of Two Masses
• Gravitational scattering, post-Minkowskian approximation and Effective One-Body theory
• TikZ-Feynman: Feynman diagrams with TikZ
• Post-Newtonian corrections to the motion of spinning bodies in NRGR
• High-energy gravitational scattering and the general relativistic two-body problem
• General Relativity from Scattering Amplitudes
• Classical Space-Times from the S Matrix
• Effective Field Theories of Post-Newtonian Gravity: A comprehensive review
• Radiation and the classical double copy for color charges
• Eikonal Quantum Gravity and Planckian Scattering
• Quantum Corrections to the Schwarzschild and Kerr Metrics
• On-shell Techniques and Universal Results in Quantum Gravity
• Next to Leading Order Spin(1)Spin(1) Effects in the Motion of Inspiralling Compact Binaries
• Gravitational radiative corrections from effective field theory
• Spin(1)Spin(2) Effects in the Motion of Inspiralling Compact Binaries at Third Order in the Post-Newtonian Expansion
• Dissipative Effects in the Worldline Approach to Black Hole Dynamics
• Spinning gravitating objects in the effective field theory in the post-Newtonian scheme
• Perturbative spacetimes from Yang-Mills theory
• The double copy: Bremsstrahlung and accelerating black holes
• Holomorphic Classical Limit for Spin Effects in Gravitational and Electromagnetic Scattering
• The Hyperfine Einstein-Infeld-Hoffmann Potential
• Inelastic Black Hole Scattering from Charged Scalar Amplitudes
• Next to leading order spin-orbit effects in the motion of inspiralling compact binaries
• Bending of Light in Quantum Gravity
• Classical gluon and graviton radiation from the bi-adjoint scalar double copy
• Effective field theory approach to the gravitational two-body dynamics, at fourth post-Newtonian order and quintic in the Newton constant
• The tail effect in gravitational radiation-reaction: time non-locality and renormalization group evolution
• Gravitational Radiation from Color-Kinematics Duality
• Classical Physics and Quantum Loops
• Effective field theory calculation of conservative binary dynamics at third post-Newtonian order
• Effective field theory methods to model compact binaries
• Absorption Effects due to Spin in the Worldline Approach to Black Hole Dynamics
• Effective field theory calculation of second post-Newtonian binary dynamics
• Spinning particles, axion radiation, and the classical double copy
• Light-like Scattering in Quantum Gravity
• Next-to-leading order gravitational spin-orbit coupling in an effective field theory approach
• Binary dynamics from spin1-spin2 coupling at fourth post-Newtonian order
• Bound states and the classical double copy
• Next-to-leading order gravitational spin1-spin2 coupling with Kaluza-Klein reduction
• Non-Relativistic Gravitation: From Newton to Einstein and Back
• Hamiltonian formulation of general relativity and post-Newtonian dynamics of compact binaries
• Radiation reaction and gravitational waves in the effective field theory approach
• Spin induced multipole moments for the gravitational wave amplitude from binary inspirals to 2.5 Post-Newtonian order
• Quantum Corrections to the Reissner-Nordström and Kerr-Newman Metrics
• Leading order finite size effects with spins for inspiralling compact binaries
• Spin induced multipole moments for the gravitational wave flux from binary inspirals to third Post-Newtonian order
• Logarithmic Terms in the Soft Expansion in Four Dimensions
• Next-to-next-to-leading order gravitational spin-squared potential via the effective field theory for spinning objects in the post-Newtonian scheme
• Equivalence of ADM Hamiltonian and Effective Field Theory approaches at next-to-next-to-leading order spin1-spin2 coupling of binary inspirals
• Effective action of dilaton gravity as the classical double copy of Yang-Mills theory
• Multipole expansion at the level of the action
• Long Range Forces in Quantum Gravity
• On the Apparent Ambiguities in the Post-Newtonian Expansion for Binary Systems
• High Energy Scattering in Perturbative Quantum Gravity at Next to Leading Power
• Next-to-soft corrections to high energy scattering in QCD and gravity
• Tail terms in gravitational radiation reaction via effective field theory
• Next-to-next-to-leading order gravitational spin-orbit coupling via the effective field theory for spinning objects in the post-Newtonian scheme
• Towers of Gravitational Theories
• Graviton-Photon Scattering
• Wilson line approach to gravity in the high energy limit
• Self-force on extreme mass ratio inspirals via curved spacetime effective field theory
• On the power counting of loop diagrams in general relativity
• Gravity Waves from Soft Theorem in General Dimensions
• Radiation reaction for spinning bodies in effective field theory II: Spin-spin effects
• Gravitational radiation from the classical spinning double copy
• Unified limiting form of graviton radiation at extreme energies
• Black hole mass dynamics and renormalization group evolution
• High-energy string-brane scattering: leading eikonal and beyond
• Finite size corrections to the radiation reaction force in classical electrodynamics
• Spin Effects in Long Range Gravitational Scattering
• Radiation reaction at 3.5 post-Newtonian order in effective field theory
• Electromagnetic and gravitational self-force on a relativistic particle from quantum fields in curved space
• The Subleading Eikonal in Supergravity Theories
• Effective action and linear response of compact objects in Newtonian gravity
• EFTofPNG: A package for high precision computation with the Effective Field Theory of Post-Newtonian Gravity
• Comparing space+time decompositions in the post-Newtonian limit
• The n-body problem in General Relativity up to the second post-Newtonian order from perturbative field theory
• Gravitational self-force in the ultra-relativistic limit: The 'large-N' expansion
• Gravitating binaries at 5PN in the post-Minkowskian approximation
• Radiation reaction in quantum field theory
• The Lamb shift and the gravitational binding energy for binary black holes
• Emerging Hawking-like Radiation from Gravitational Bremsstrahlung Beyond the Planck Scale
• Minimal Position-Velocity Uncertainty Wave Packets in Relativistic and Non-relativistic Quantum Mechanics
• Dressing the Post-Newtonian two-body problem and Classical Effective Field Theory
• Elimination of the spin supplementary condition in the effective field theory approach to the post-Newtonian approximation
• Theory of post-Newtonian radiation and reaction
• A microscopic description of absorption in high-energy string-brane collisions
• The Delocalized Effective Degrees of Freedom of a Black Hole at Low Frequencies
• Comment on `On the next-to-leading order gravitational spin(1)-spin(2) dynamics' by J. Steinhoff et al
• Radiation reaction at the level of the action
• Comments on initial conditions for the Abraham-Lorentz(-Dirac) equation

Cited by in corpus (260)

• Scattering Amplitudes and the Conservative Hamiltonian for Binary Systems at Third Post-Minkowskian Order
• Black Hole Binary Dynamics from the Double Copy and Effective Theory
• Advances in QED with intense background fields
• Scattering of Spinning Black Holes from Exponentiated Soft Factors
• Post-Minkowskian Effective Field Theory for Conservative Binary Dynamics
• Conservative Dynamics of Binary Systems to Third Post-Minkowskian Order from the Effective Field Theory Approach
• Classical black hole scattering from a worldline quantum field theory
• Scattering Amplitudes and Conservative Binary Dynamics at $\mathcal{O}(G^4)$
• From Boundary Data to Bound States
• Observables and amplitudes for spinning particles and black holes
• Spinning Black Hole Binary Dynamics, Scattering Amplitudes and Effective Field Theory
• The simplest massive S-matrix: from minimal coupling to Black Holes
• Black-hole scattering with general spin directions from minimal-coupling amplitudes
• Classical and quantum scattering in post-Minkowskian gravity
• Scattering Amplitudes, the Tail Effect, and Conservative Binary Dynamics at $O(G^4)$
• Classical Gravitational Bremsstrahlung from a Worldline Quantum Field Theory
• Kerr Black Holes as Elementary Particles
• The Eikonal Approach to Gravitational Scattering and Radiation at $\mathcal{O}(G^3)$
• Dynamics of Binary Systems to Fourth Post-Minkowskian Order from the Effective Field Theory Approach
• Radiative contribution to classical gravitational scattering at the third order in $G$
• On Post-Minkowskian Hamiltonians in General Relativity
• On-shell heavy particle effective theories
• Extremal black hole scattering at O(G^3): graviton dominance, eikonal exponentiation, and differential equations
• Conservative Dynamics of Binary Systems at Fourth Post-Minkowskian Order in the Large-eccentricity Expansion
• Radiation Reaction and Gravitational Waves at Fourth Post-Minkowskian Order
• Energetics of two-body Hamiltonians in post-Minkowskian gravity
• Gravitational Bremsstrahlung from Reverse Unitarity
• Revisiting the 2PM eikonal and the dynamics of binary black holes
• Spinning-black-hole scattering and the test-black-hole limit at second post-Minkowskian order
• Radiation Reaction from Soft Theorems
• Conservative dynamics of binary systems to fourth Post-Newtonian order in the EFT approach II: Renormalized Lagrangian
• Heavy Black Hole Effective Theory
• Gravitational Bremsstrahlung and Hidden Supersymmetry of Spinning Bodies
• Double copy for massive quantum particles with spin
• Sixth post-Newtonian local-in-time dynamics of binary systems
• Conservative Tidal Effects in Compact Binary Systems to Next-to-Leading Post-Minkowskian Order
• Conservative dynamics of binary systems to fourth Post-Newtonian order in the EFT approach I: Regularized Lagrangian
• Gravitational Bremsstrahlung in the Post-Minkowskian Effective Field Theory
• Spin Effects in the Effective Field Theory Approach to Post-Minkowskian Conservative Dynamics
• SUSY in the Sky with Gravitons
• Universality in the classical limit of massless gravitational scattering
• Tidal Effects in the Post-Minkowskian Expansion
• Sixth post-Newtonian nonlocal-in-time dynamics of binary systems
• Classical Gravitational Scattering at $\mathcal{O}(G^3)$ from Feynman Diagrams
• On an Exponential Representation of the Gravitational S-Matrix
• Classical Gravity from Loop Amplitudes
• Post-Minkowskian Scattering Angle in Einstein Gravity
• Complete Hamiltonian for spinning binary systems at first post-Minkowskian order
• Radiative contributions to gravitational scattering
• Second-order Post-Minkowskian scattering in arbitrary dimensions
• One-loop Gravitational Bremsstrahlung and Waveforms from a Heavy-Mass Effective Field Theory
• Eikonal phase matrix, deflection angle and time delay in effective field theories of gravity
• Leading Nonlinear Tidal Effects and Scattering Amplitudes
• Quadratic-in-Spin Hamiltonian at $\mathcal{O}(G^2)$ from Scattering Amplitudes
• Radiation-Reaction in the Effective Field Theory Approach to Post-Minkowskian Dynamics
• Five-Loop Static Contribution to the Gravitational Interaction Potential of Two Point Masses
• Compton Black-Hole Scattering for $s\le 5/2$
• A Twistorial Foundation for the Classical Double Copy
• The Double Copy of Electric-Magnetic Duality
• Classical potential for general spinning bodies
• Binary Dynamics Through the Fifth Power of Spin at $\mathcal{O}(G^2)$
• Conservative and radiative dynamics of spinning bodies at third post-Minkowskian order using worldline quantum field theory
• A worldsheet for Kerr
• From amplitudes to gravitational radiation with cubic interactions and tidal effects
• The Sub-Leading Scattering Waveform from Amplitudes
• Radiated Angular Momentum and Dissipative Effects in Classical Scattering
• High Energy Scattering in Perturbative Quantum Gravity at Next to Leading Power
• Classical gravitational spinning-spinless scattering at $\mathcal{O}(G^2{S}^{\infty })$
• The 2PM Hamiltonian for binary Kerr to quartic in spin
• Conservative Binary Dynamics with a Spinning Black Hole at $\mathcal{O}(G^3)$ from Scattering Amplitudes
• The Weyl Double Copy for Gravitational Waves
• Inelastic Exponentiation and Classical Gravitational Scattering at One Loop
• A tale of two exponentiations in $\mathcal{N}=8$ supergravity at subleading level
• A new gauge-invariant double copy for heavy-mass effective theory
• Tidal effects in quantum field theory
• Classical Solutions and their Double Copy in Split Signature
• Double Copy from Homotopy Algebras
• Structure of two-loop SMEFT anomalous dimensions via on-shell methods
• The classical double copy of non-singular black holes
• Classical observables from coherent-spin amplitudes
• Classical Gravitational Observables from the Eikonal Operator
• Strong-field scattering of two black holes: Numerical Relativity meets Post-Minkowskian gravity
• Radiated momentum in the Post-Minkowskian worldline approach via reverse unitarity
• Mining the Geodesic Equation for Scattering Data
• Resummed spinning waveforms from five-point amplitudes
• The Classical Double Copy of a Point Charge
• Breakdown of the classical double copy for the effective action of dilaton-gravity at NNLO
• Classical Yang-Mills observables from amplitudes
• Gravitational radiation from inspiralling compact objects: Spin-spin effects completed at the next-to-leading post-Newtonian order
• Kinematic Jacobi Identity is a Residue Theorem: Geometry of Color-Kinematics Duality for Gauge and Gravity Amplitudes
• Linear Response, Hamiltonian and Radiative Spinning Two-Body Dynamics
• On higher-derivative effects on the gravitational potential and particle bending
• Test black holes, scattering amplitudes and perturbations of Kerr spacetime
• The pure BRST Einstein-Hilbert Lagrangian from the double-copy to cubic order
• From Boundary Data to Bound States III: Radiative Effects
• Classical and quantum double copy of back-reaction
• Gravitational bremsstrahlung from spinning binaries in the post-Minkowskian expansion
• Post-Minkowskian Radial Action from Soft Limits and Velocity Cuts
• Kerr-Newman from Minimal Coupling
• On the Double Copy for Spinning Matter
• Radiated momentum and radiation-reaction in gravitational two-body scattering including time-asymmetric effects
• Angular momentum of zero-frequency gravitons
• Tidal effects for spinning particles
• Classical Double Copy of Worldline Quantum Field Theory
• The Schwarzschild-Tangherlini metric from scattering amplitudes in various dimensions
• Effective Field Theory for Extreme Mass Ratios
• Infrared Divergences and the Eikonal Exponentiation
• Gravitational shock waves and scattering amplitudes
• Exponentiation of the leading eikonal with spin
• Self-force effects in post-Minkowskian scattering
• Scattering Angles in Kerr Metrics
• Eikonal amplitudes from curved backgrounds
• Gravitational Bremsstrahlung with tidal effects in the post-Minkowskian expansion
• Strings, extended objects, and the classical double copy
• Comparison of post-Minkowskian and self-force expansions: Scattering in a scalar charge toy model
• Celestial holography on Kerr-Schild backgrounds
• New heavenly double copies
• Massive Gravity from Double Copy
• Scalar QED as a toy model for higher-order effects in classical gravitational scattering
• The Double Copy of Massive Scalar-QCD
• Subleading Eikonal, AdS/CFT and Double Stress Tensors
• Asymptotic Weyl Double Copy
• Scattering Amplitudes, Black Holes and Leading Singularities in Cubic Theories of Gravity
• Kerr-Newman stress-tensor from minimal coupling
• Generalizations of the Double-Copy: the KLT Bootstrap
• Classical Spin Gravitational Compton Scattering
• Four-graviton scattering to three loops in $\mathcal{N}=8$ supergravity
• Horizon radiation reaction forces
• Classical vs Quantum Eikonal Scattering and its Causal Structure
• Loop-Level Double-Copy for Massive Quantum Particles
• Rotating Black Holes in Cubic Gravity
• Spinning waveforms from KMOC at leading order
• Gravitational Spin-Orbit Hamiltonian at NNNLO in the post-Newtonian framework
• Kerr-Schild Double Copy of the Coulomb Solution in Three Dimensions
• Scattering of gravitational waves off spinning compact objects with an effective worldline theory
• Efficient Calculation of Crossing Symmetric BCJ Tree Numerators
• Light bending from eikonal in worldline quantum field theory
• Recursion in the classical limit and the neutron-star Compton amplitude
• Calabi-Yau meets Gravity: A Calabi-Yau three-fold at fifth post-Minkowskian order
• The Two-Loop Four-Graviton Scattering Amplitudes
• Worldline effective field theory of inspiralling black hole binaries in presence of dark photon and axionic dark matter
• Asymptotic dynamics on the worldline for spinning particles
• Amplitude bases in generic EFTs
• Classical gravitational scattering at $\mathcal{O}(G^2{S}_1^{\infty }{S}_2^{\infty })$
• Black Holes in Klein Space
• Graviton particle statistics and coherent states from classical scattering amplitudes
• Bethe-Salpeter equation for classical gravitational bound states
• Soft Matters, or the Recursions with Massive Spinors
• Angular Momentum Loss Due to Tidal Effects in the Post-Minkowskian Expansion
• Boundary to bound dictionary for generic Kerr orbits
• Observables from the Spinning Eikonal
• All order gravitational waveforms from scattering amplitudes
• Geodesics From Classical Double Copy
• Gauge $\times$ Gauge on Spheres
• Graviton Bending in Quantum Gravity from One-Loop Amplitudes
• Isometries and the double copy
• Soft Radiation from Scattering Amplitudes Revisited
• Scattering and bound observables for spinning particles in Kerr spacetime with generic spin orientations
• Light-ray operators, detectors and gravitational event shapes
• Shift symmetries, soft limits, and the double copy beyond leading order
• Gravitational Scattering and Beyond from Extreme Mass Ratio Effective Field Theory
• On-shell effective theory for higher-spin dark matter
• Scalar-Graviton Amplitudes
• Remodeling the Effective One-Body Formalism in Post-Minkowskian Gravity
• Post-Newtonian Waveforms from Spinning Scattering Amplitudes
• Classical Double Copy of Spinning Worldline Quantum Field Theory
• Gravitational Bound Waveforms from Amplitudes
• A Rutherford-like formula for scattering off Kerr-Newman BHs and subleading corrections
• Kinematic Hopf algebra for amplitudes and form factors
• Scattering of Gravitons and Spinning Massive States from Compact Numerators
• Spinning Black Hole Scattering at $\mathcal{O}(G^3{S}^2)$: Casimir Terms, Radial Action and Hidden Symmetry
• Classical and quantum gravitational scattering with Generalized Wilson Lines
• Classical off-shell currents
• First Look at Quartic-in-Spin Binary Dynamics at Third Post-Minkowskian Order
• Soft graviton exchange and the information paradox
• Generalized Black Holes in 3D Kerr-Schild Double Copy
• Binary Dynamics from Worldline QFT for Scalar-QED
• Extracting Einstein from the Loop-Level Double-Copy
• Large Gauge Effects and the Structure of Amplitudes
• Classifying post-Minkowskian geometries for gravitational waves via loop-by-loop Baikov
• Massive twistor worldline in electromagnetic fields
• Color-kinematics duality, double copy and the unitarity method for higher-derivative QCD and quadratic gravity
• Tree-Level Color-Kinematics Duality Implies Loop-Level Color-Kinematics Duality up to Counterterms
• A tale of tails through generalized unitarity
• Gravitational Dyonic Amplitude at One-Loop and its Inconsistency with the Classical Impulse
• Scattering Amplitudes and N-Body Post-Minkowskian Hamiltonians in General Relativity and Beyond
• Towards the Gravituhedron: New Expressions for NMHV Gravity Amplitudes
• Radiative Classical Gravitational Observables at $\mathcal{O}(G^3)$ from Scattering Amplitudes
• Post-Minkowskian Hamiltonians in Modified Theories of Gravity
• Quantum corrections to frame-dragging in scattering amplitudes
• The H-graph with equal masses in terms of multiple polylogarithms
• Cutting-Edge Tools for Cutting Edges
• The Reissner-Nordström-Tangherlini solution from scattering amplitudes of charged scalars
• The Amplitude for Classical Gravitational Scattering at Third Post-Minkowskian Order
• A spinorial double copy for $\mathcal{N}=0$ supergravity
• A scattering amplitudes approach to hard thermal loops
• Spin supplementary condition in quantum field theory: covariant SSC and physical state projection
• Strong Field Scattering of Black Holes: Assessing Resummation Strategies
• Wave scattering event shapes at high energies
• Radiation eikonal for post-Minkowskian observables
• Bootstrapping spinning two body problem in dynamical Chern-Simons gravity using worldline QFT
• Conservative Scattering of Reissner-Nordström Black Holes at Third Post-Minkowskian Order
• Eikonal Scattering in Kaluza-Klein Gravity
• Dirac brackets for classical radiative observables
• Covariant color-kinematics duality, Hopf algebras and permutohedra
• Gravitational spin-orbit dynamics at the fifth-and-a-half post-Newtonian order
• Minimal spin deflection of Kerr-Newman and Supersymmetric black hole
• Waveforms from Amplitudes
• Next-to-eikonal corrected double graviton dressing and gravitational wave observables at $\mathcal{O}(G^2)$
• Higher-order tails and RG flows due to scattering of gravitational radiation from binary inspirals
• Classical Observables using Exponentiated Spin factors: Electromagnetic Scattering
• Testing the Boundary-to-Bound Correspondence with Numerical Relativity
• Spinning waveforms of scalar radiation in quadratic modified gravity
• The gravitational Compton amplitude from flat and curved spacetimes at second post-Minkowskian order
• General Relativity from Intersection Theory
• Cosmological Correlators, In-In Formalism and Double Copy
• Massive Color-Kinematics Duality and Double-Copy for Kaluza-Klein Scattering Amplitudes
• Machine Learning Post-Minkowskian Integrals
• On the classical limit of the (sub)${}^n$-leading soft graviton theorems in $D=4$ without deflection
• Fixing the non-relativistic expansion of the 1PM potential
• Gravitational bremsstrahlung in plasmas and clusters
• The first law of binary black hole scattering
• New framework for classical double copies
• $S$-matrix approach to general gravity and beyond
• Scrambling and Entangling Spinning Particles
• Quantum Effects for Black Holes with On-Shell Amplitudes
• Classical gravitational scattering from a gauge-invariant double copy
• The Weyl double copy from twistor space
• Observables and Unconstrained Spin Tensor Dynamics in General Relativity from Scattering Amplitudes
• Positivity in Amplitudes and Quantum Entanglement
• A functional approach to the next to eikonal approximation of high energy gravitational scattering
• Dynamics for Super-Extremal Kerr Binary Systems at $\mathcal{O}(G^2)$
• Multipolar invariants and the eccentricity enhancement function parametrization of gravitational radiation
• Loop corrections versus marginal deformation in celestial holography
• Quantum gravity phenomenology from the perspective of quantum general relativity and quadratic gravity
• On-shell approach to scalar hair in spinning binaries
• On kinetic theories with color and spin from amplitudes
• The double copy effective action: a quantum (chromodynamics) approach to space-time
• The hierarchical three-body problem at $\mathcal{O}(G^2)$
• Resummed energy loss in extreme-mass-ratio scattering using critical orbits
• Exploring gravitational impulse via quantum Boltzmann equation
• Scattering Amplitudes for Binary Systems beyond GR
• The Radial Action from Probe Amplitudes to All Orders
• Out-of-time-order asymptotic observables are quasi-isomorphic to time-ordered amplitudes
• Yang-Mills observables: from KMOC to eikonal through EFT
• Classical observables from partial wave amplitudes
• Double soft graviton factors from the gravitational Wilson line
• Feynman integrals at large loop order and the $\log$-$\Gamma$ distribution
• Classical physics from amplitudes on curved backgrounds
• Unexpected Symmetries of Kerr Black Hole Scattering
• Entire Four-Graviton EFT from the Duality Between Color and Kinematics
• Graviton Photoproduction by a Kerr-Newman Black Hole with Worldline EFT
• Gravitational multipoles from scattering amplitudes in higher dimensions
• Effective-one-body formalism for leading-order radiative effects in the post-linear framework
• Smoothness of Classical Limit in KMOC Formalism
• A complete set of Lorentz-invariant wave packets and modified uncertainty relation
• Energetics and scattering of gravitational two-body systems at fourth post-Minkowskian order
• On-shell Correlators and Color-Kinematics Duality in Curved Symmetric Spacetimes
• Notes on AdS-Schwarzschild eikonal phase
• The Kerr-Schild Double Copy in Lifshitz Spacetime