Julio Parra-Martinez
Permanent professor (CV)
IHES
35 Route de Chartres,
91440, Bures-sur-Yvette,
France
Office: 0N5
Contact: julio (at) ihes.fr
Permanent professor (CV)
IHES
35 Route de Chartres,
91440, Bures-sur-Yvette,
France
Office: 0N5
Contact: julio (at) ihes.fr
Research
I am a theoretical physicist working on quantum field theory, scattering amplitudes, gravitation, effective field theories and string theory.
Upcoming seminars, talks, lectures, etc
04/2026: Physics seminar, Korea Institute for Advance Study (KIAS), Seoul
04/2026: High-energy theory/Astro seminar, KAIST, Daejeon
05/2026: Joint Belgian hep-th Seminars, ULB, Brussels
06/2026: Lichnerowicz Conference: Journées Relativistes, Institut Denis Poisson, Tours
06/2026: School on Gravity, NBI, Copenhagen
06/2026: Symmetries 2026, Institut Henri Poincaré, Paris
07/2026: Physics seminar, Fudan University, Shanghai
08/2026: 2026 International Congress of Basic Science (ICBS), Beijing
11/2026: DESY/UHH String Theory Seminar, DESY, Hamburg
11/2026: HEP-Seminar, TUM, Munich
11/2026: Theorie, Univers et Gravitation, ENS, Lyon
Recent publications (see all)
Gravitational Raman scattering: a systematic toolkit for tidal effects in general relativity
Scattering perspective on gravitational lensing
Naturalness of vanishing black-hole tides
Generalized unitarity method for worldline field theory
GSO defects: IIA/IIB walls and the surprisingly stable R7-brane
Nonlinear gravitational memory in the post-Minkowskian expansion
Soft theorems from higher symmetries
Resummation of universal tails in gravitational waveforms
Graviton loops and negativity
Classical observables from causal response functions
Recent conference talks (see all)
03/2026: Open Issues in Gravitation, IHES, Bures-sur-Yvette
(video)
01/2026: Lost in Translation, The Language of gravitational waves, MITP, Mainz
01/2026: From Analyticity to Phenomenology, IAS/PCTS, Princeton
12/2025: Symbology@15, MPI for Physics, Munich
12/2025: Observables in gauge theories and gravity, IPhT/CEA, Paris
11/2025: Loop-the-loop workshop, MITP, Online
10/2025: Strings Online Lisbon Workshop 2025, Instituto Superior Tecnico, Lisbon
09/2025: 2nd Annual Workshop on Self-Force and Amplitudes, University of Southampton, UK
07/2025: Constraining EFTs without Lorentz, ICTP, Trieste
06/2025: ENS Summer Institute, Ecole Normale Superieure, Paris
Recent seminars, colloquia, etc (see all)
02/2026: TH Colloquium, CERN, Geneva
01/2026: Seed Seminar of Mathematics and Physics, Institut Henri Poincare, Paris
12/2025: Fields and Strings Seminar, MPI for Physics, Munich
11/2025: Seminar, Crete Center for Theoretical Physics, Crete
11/2025: Quantum Fields and Strings Seminar, DAMTP, University of Cambridge, Cambridge
11/2025: Theory Seminar, Queen Mary University, London
10/2025: Weekly Seminar, LAPTh, Annecy
07/2025: Theory Seminar, Universidade de Sao Paulo, Sao Paulo
05/2025: SNS Theory Seminar, Scuola Normale Superiore, Pisa
04/2025: QFT and Mathematical Physics Seminar, Humboldt U., Berlin
Recent lectures
01/2026: Asian Winter School on Strings, Particles and Cosmology, IISER, Bhopal
10/2025: School of Analytic Computing in Theoretical High-Energy Physics, Atrani, Italy
07/2025: HoloGrav Young Frontiers Meeting 2025, ICPT-SAIFR, Sao Paulo
(video)
06/2025: Amplitudes Summer School, KIAS, Seoul
(video)
04/2021: Gravitational scattering, inspiral, and radiation, Galileo Galilei Institute, Florence
(video)
My collaborators
Mikhail M. Ivanov, Yue-Zhou Li, Zihan Zhou, Mariana Carrillo Gonzalez, Valerio De Luca, Alice Garoffolo, Mark Trodden, Alessandro Podo, Vincent F. He, Jonathan J. Heckman, more…
Updated: 11/04/2026