Julio Parra-Martinez
Permanent professor
IHES
35 Route de Chartres,
91440, Bures-sur-Yvette,
France
Office: 0N5
Contact: julio (at) ihes.fr
Permanent professor
IHES
35 Route de Chartres,
91440, Bures-sur-Yvette,
France
Office: 0N5
Contact: julio (at) ihes.fr
Research
Publications
Classical observables from causal response functions
Gravitational scattering and beyond from extreme mass ratio effective field theory
Soft scalars in effective field theory
Gravitational Raman scattering in effective field theory: a scalar tidal matching at \({\cal O}(G^3)\)
Effective field theory for extreme mass ratios
Comparison of post-Minkowskian and self-force expansions: Scattering in a scalar charge toy model
Soft phonon theorems
Graviton partial waves and causality in higher dimensions
Non-perturbative double copy in Flatland
Geometry-kinematics duality
Causality constraints on corrections to Einstein gravity
On-shell correlators and color-kinematics duality in curved symmetric spacetimes
Scattering amplitudes, the tail effect, and conservative binary dynamics at \({\cal O}(G^4)\)
Geometric soft theorems
Holomorphic modular bootstrap revisited
Radiative classical gravitational observables at \({\cal O}(G^3)\) from scattering amplitudes
Gravitational bremsstrahlung from reverse unitarity
Scattering amplitudes and conservative binary dynamics at \({\cal O}(G^4)\)
Leading nonlinear tidal effects and scattering amplitudes
Structure of two-loop SMEFT anomalous dimensions via on-shell methods
Extremal black hole scattering at \({\cal O}(G^3)\)
Universality in the classical limit of massless gravitational scattering
Topological superconductors on superstring worldsheets
Non-renormalization and operator mixing via on-shell methods
Logarithmic forms and differential equations for Feynman integrals
Gravity integrands from the ultraviolet
GSO projections via SPT phases
Two-loop n-point anomalous amplitudes in \({\cal N}=4\) supergravity
Bootstrapping two-loop Feynman integrals for planar \({\cal N}=4\) SYM
Ultraviolet properties of \({\cal N}=8\) supergravity at five loops
Cancelling the \(U(1)\) anomaly in the S-matrix of \({\cal N}=4\) supergravity
Curvature-squared multiplets, evanescent effects and the \(U(1)\) anomaly in \({\cal N}=4\) supergravity
Manifesting enhanced cancellations in supergravity: integrands versus integrals
Upcoming Talks, Lectures, etc
01/2025: Strings 2025, NYU, Abu Dhabi
01/2025: String Theory Seminar, CERN, Geneva
01/2025: Seminar, IJCLab, Orsay
02/2025: Strings Seminar, University of Amsterdam, Amsterdam
03/2025: Black Hole Initiative Colloquium, Harvard U., Cambridge
03/2025: Theory Seminar, MIT, Cambridge, MA
04/2025: Rencontres Theoriciennes, Institut Henri Poincare, Paris
04/2025: Theory Seminar, Humboldt U., Berlin
05/2025: Theoretical Physics Seminar, Scuola Normale Superiore, Pisa
05/2025: Astrophysical and Cosmological Relativity Seminar, Albert Einstein Istitute, MPI, Potsdam
06/2025: Amplitudes Summer School, Seoul National University, Seoul
06/2025: ENS Summer Institute, Ecole Normale Superieure, Paris
07/2025: Constraining EFTs without Lorentz, ICTP, Trieste
07/2025: Young Frontiers Meeting 2025, ICPT-SAIFR, Sao Paulo
09/2025: 2nd Annual Workshop on Self-Force and Amplitudes, University of Southampton, UK
10/2025: School of Analytic Computing in Theoretical High-Energy Physics, Atrani, Italy
12/2025: QCD Meets Gravity school 2025, ICPT-SAIFR, Sao Paulo
Conference Talks
12/2024: Energy Operators in Particle Physics, Quantum Field Theory and Gravity, Simons Center for Geometry and Physics, New York
12/2024: QCD Meets Gravity 2024, National Taiwan University, Taipei
10/2024: EFT and Multi-Loop Methods for Advancing Precision in Collider and Gravitational Wave Physics, MIAPPb, Munich
09/2024: Korea-France joint workshop on string theory, KIAS, Seoul
09/2024: Amplitudes Meets Cosmology 2024, Vidago, Portugal
07/2024: ICHEP 2024, Prague
06/2024: S-matrix bootstrap workshop, University of Iceland, Reykjavik
01/2024: Iberian Strings 2024, Porto, Portugal
12/2023: Indian Strings Meeting 2023, Indian Institute of Technology, Mumbai, India
09/2023: Correlators in Cortona, Cortona
09/2023: Swamplandia workshop, (Discussion co-led with Thomas Van Riet), Madrid
08/2023: Beyond BSM, Monte Verità, Ascona
07/2023: Strings 2023, Perimeter Institute
(video)
04/2023: Theoretical Tests of the Landscape, Amherst Center for Fundamental Interactions, Amherst
04/2023: APS April Meeting, Invited talk, Minneapolis
09/2022: Back to the Swamp, IFT, Madrid
08/2022: Amplitudes 2022, Charles University, Prague
(video)
08/2022: Bohr-100: Current Themes in Theoretical Physics, Niels Bohr Institute, Copenhaguen
05/2022: Amplitudes Meets Cosmology 2022, Gleneagles Hotel, Scotland
05/2022: Possible and Impossible in Effective Field Theory, Institute for Advance Study, Princeton
04/2022: Storming the Gravitational Wave Frontier, KITP, Santa Barbara
(video)
04/2022: YOUNGST@RS - Color-Kinematics, Mainz Institute for Theoretical Physics, Virtual
(video)
04/2022: APS April Meeting, Invited Talk, New York, Virtual
03/2022: California Amplitudes Meeting, UC Davis, Davis
05/2021: RADCOR+LoopFest 2021, Florida State University, Virtual
(video)
12/2020: QCD Meets Gravity 2020, Northwestern University, Virtual
(video)
10/2020: EFT methods from Bound States to Binary Systems, Universita' degli Studi di Padova, Virtual
(video)
05/2020: Amplitudes 2020, Brown University, Virtual
(video)
05/2020: LoopFest XIX, University of Pittsburgh, Cancelled due to Covid-19
12/2019: QCD Meets Gravity 2019, UCLA, Los Angeles
10/2019: From Scattering to Expansion, Northwestern University, Evanston
06/2019: IGC@25: Multimessenger Universe, ICG, Penn State
06/2019: California Amplitudes Meeting, QMAP, UC Davis
09/2018: Supergravity and M/Superstring Theory in the Ultraviolet and Double Copy, Penn State
06/2018: Amplitudes Summer School, Gong Show, QMAP, UC Davis
04/2018: California Amplitudes Meeting, SLAC
03/2018: 34th Pacific Coast Gravity Meeting, Caltech, Pasadena
12/2017: QCD Meets Gravity 2017, UCLA, Los Angeles
06/2017: Scattering Amplitudes: from Gauge Theory to Gravity, KITP, Santa Barbara
(video)
12/2016: Recent Developments in Fields, Strings, and Gravity, Gong Show, QMAP, UC Davis
10/2016: California Amplitudes Meeting, UCLA, Los Angeles
06/2016: California Amplitudes Meeting, QMAP, UC Davis
Lectures
04/2021: Gravitational scattering, inspiral, and radiation, Galileo Galilei Institute, Virtual
(video)
Seminars, colloquia, etc
11/2024: Theoretical Physics Colloquium, Imperial College, London
09/2024: High-Energy Theory Seminar, Seoul National University, Seoul
02/2024: Theory HEP seminars, McGill U., Zoom
11/2023: UBC Gravity Seminar, UBC, Vancouver, CA
11/2023: Particle Theory Seminar, University of Washington, Seattle
10/2023: Theoretical Physics seminar, IPhT, CEA Saclay
08/2023: Traversing the Particle Physics Peaks — Phenomenology to Formal, Aspen Center for Physics
05/2023: EPP Theory Seminar, SLAC
04/2023: CMSA Colloquium, Harvard U., Cambridge
01/2023: High Energy Physics Seminar, NYU, New York
01/2023: High Energy Theory Seminar, Texas A&M University, College Station
12/2022: KIAS String Seminars, Korea Institute for Advance Study, Seoul
12/2022: Équations différentielles motiviques et au–delà, Institut Henri Poincaré, Paris
11/2022: Séminaire de Physique Théorique, IHES, Paris
09/2022: Celestial Holography Group Meeting, Harvard, Cambridge, MA
05/2022: Quantum Encounters, IHES, Paris, Virtual
05/2022: All Things EFT, Virtual
(video)
05/2022: Quantum Gravity Seminar, Max Planck Institute for Gravitational Physics (AEI), Potsdam, Virtual
04/2022: Special Seminar, Pacific Insitute for Theoretical Physics, UBC, Vancouver
04/2022: Theory Seminar, Max Planck Institut für Physik, Munich, Virtual
04/2022: High Energy and Gravity Seminar, KITP, Santa Barbara
04/2022: Swampland Seminar, Virtual
(video)
03/2022: Astrophysics Seminar, Institute for Advance Study, Princeton
(video)
03/2022: HET Seminar, Princeton University, Princeton
03/2022: Joint Theory Seminar, Niels Bohr Institute, Copenhagen, Virtual
03/2022: Colloquium, University of British Columbia, Zoom
02/2022: Colloquium, University of Michigan, Ann Arbor
02/2022: Quantum Spacetime Seminars, Tata Institute of Fundamental Research, Mumbai, Virtual
02/2022: Particle Physics Seminar, UC San Diego, Virtual
01/2022: Amplitudes Meeting, Institute for Advanced Study, Princeton, Virtual
11/2021: HET Seminar, University of Michigan, Ann Arbor
11/2021: Theory Seminar, Carnegie Mellon University, Pittsburgh
06/2021: Amplitudes Journal Club, Durham University, Virtual
04/2021: Particle Theory Seminar, U. Chicago, Virtual
04/2021: TH String Theory Seminar, CERN, Virtual
03/2021: EPP Theory Seminar, SLAC, Virtual
03/2021: Particle Physics Theory Seminar, Edinburgh University, Virtual
(video)
02/2021: High Energy Physics Seminar, CP3, UC Louvain, Virtual
(video)
02/2021: High Energy Theory Seminar, Columbia University, New York, Virtual
01/2021: Amplitudes Journal Club, UCLA, Virtual
11/2020: High Energy Theory Informal Meeting, Caltech, Virtual
06/2020: Particle Seminar, LBL/UC Berkeley, Virtual
02/2020: TEP Seminar, UCLA, Los Angeles
11/2019: Amplitudes Group Meeting, Brown University, Providence
09/2019: Quantum Matter Seminar, CMSA Harvard, Cambridge, MA
(video)
09/2019: EEP Theory Seminar, SLAC
08/2019: Off-term Seminar, ETH, Zurich
04/2019: Brown Bag Seminar, University of Michigan, Ann Arbor
11/2018: Fields and Strings Seminar, QMAP, UC Davis, Zurich
07/2017: String Theory Seminar, Max Planck Institute for Gravitational Physics (AEI), Potsdam
Updated: 01/01/2025