News

News

Papers, awards and releases, newest first.

All news

  • NewThe GLOW project website went live, with the science programme, the team and the software and data releases of the ERC project. glow-astro.org

  • NewOur analysis of GW231123 as a magnified and diffracted black-hole merger, the first compelling candidate of its kind, was published in The Astrophysical Journal Letters. ApJL 1008, L12 · AEI press release · Cosmology Talk

  • NewBeyond-Horndeski (GLPV) theories and the conformally coupled Galileon became part of the public hi_class code, widening the set of dark-energy and modified-gravity models whose cosmological observables it can compute. hiclass-code.net

  • NewA machine-learning method for inferring microlensed gravitational waves, fast enough to make wave-optics analysis routine, appeared in Physical Review D. PRD 113, 104073

  • Black holes as telescopes, on finding supermassive black-hole binaries through quasi-periodic lensed starlight, was published in Physical Review Letters as an Editors' Suggestion. PRL 136, 061403 · AEI press release

  • GLOW, Gravitational Lensing of Waves, was awarded an ERC Consolidator Grant and starts in 2026. AEI announcement · ERC results

  • GLoW, our code for wave-optics phenomena in gravitational lensing, was released publicly, with the methods paper describing how it computes amplification factors for general matter distributions. arXiv:2409.04606 · GLoW on GitHub

  • Our model-independent reconstruction of the dark-energy density in light of DESI BAO data was an Editors' Suggestion in Physical Review D. PRD 112, 023518 · AEI feature

  • I was awarded a Ramón y Cajal fellowship by the Spanish Research Agency, with the accompanying Atracción de Talento award and the CSIC RyC-MaX supplement. The program

  • With Einstein on Crooked Paths began, a philanthropically funded program on lensed gravitational waves and the small-scale structure of dark matter, supported by Max Planck members as the Society's Annual Project. Max Planck Annual Project · AEI feature

  • Frequency- and polarization-dependent lensing of gravitational waves in strong gravitational fields appeared in Physical Review D. PRD 109, 124045 · AEI feature

  • Two papers extended wave-optics lensing to realistic structures: weakly lensed signals as a probe of cosmic structure, and lensing as a probe of halo properties and dark matter. PRD 108, 103532 · PRD 108, 103529 · MPG Yearbook 2023

  • Our efficient methods for computing wave-optics amplification factors, and their validation against symmetric lenses, appeared in Physical Review D. PRD 108, 043527

  • Gravitational wave lensing beyond general relativity, on birefringence, echoes and shadows, was an Editors' Suggestion in Physical Review D. PRD 102, 124048 · AEI press release

  • hi_class 2.0 was released, together with the paper documenting how the code solves the background, sets initial conditions and switches approximation schemes. hiclass-code.net · arXiv:1909.01828

  • Our limit on stellar-mass compact objects as dark matter, from the lensing of type Ia supernovae, was an Editors' Suggestion in Physical Review Letters with an APS Viewpoint. PRL 121, 141101 · APS Viewpoint

  • Dark energy after GW170817, on which scalar-tensor theories survive the neutron-star merger's bound on the speed of gravity, was an Editors' Suggestion in Physical Review Letters with an APS Viewpoint. PRL 119, 251304 · APS Viewpoint

  • hi_class, which extends the CLASS Einstein-Boltzmann solver to Horndeski's theory, had its first public release. hiclass-code.net · JCAP 08 (2017) 019