activity
20172022
most citedCurvature-Squared Multiplets, Evanescent Effects and the U(1) Anomaly in N = 4 Supergravity

36 citations · 36 across the 2 of their papers we have counts for

collaborators

16 papers

hep-th2022

On-shell Correlators and Color-Kinematics Duality in Curved Symmetric Spacetimes

Clifford Cheung, Julio Parra-Martinez, Allic Sivaramakrishnan

We define a perturbatively calculable quantity--the on-shell correlator--which furnishes a unified description of particle dynamics in curved spacetime. Specializing to the case of…

hep-th2021

Radiative Classical Gravitational Observables at from Scattering Amplitudes

Enrico Herrmann, Julio Parra-Martinez, Michael S. Ruf +1

We compute classical gravitational observables for the scattering of two spinless black holes in general relativity and supergravity in the formalism of Kosower,…

hep-th2021

Gravitational Bremsstrahlung from Reverse Unitarity

Enrico Herrmann, Julio Parra-Martinez, Michael S. Ruf +1

We compute the total radiated momentum carried by gravitational waves during the scattering of two spinless black holes at the lowest order in Newton's constant, ,…

hep-th2021

Scattering Amplitudes and Conservative Binary Dynamics at

Zvi Bern, Julio Parra-Martinez, Radu Roiban +4

Using scattering amplitudes, we obtain the potential contributions to conservative binary dynamics in general relativity at fourth post-Minkowskian order, . As in pr…

hep-ph2020

Structure of two-loop SMEFT anomalous dimensions via on-shell methods

Zvi Bern, Julio Parra-Martinez, Eric Sawyer

We describe on-shell methods for computing one- and two-loop anomalous dimensions in the context of effective field theories containing higher-dimension operators. We also summariz…

hep-th2020

Extremal black hole scattering at O(G^3): graviton dominance, eikonal exponentiation, and differential equations

Julio Parra-Martinez, Michael S. Ruf, Mao Zeng

We use supergravity as a toy model for understanding the dynamics of black hole binary systems via the scattering amplitudes approach. We compute the conservative pa…