Concept
Métrique (physique)
Publications associées (38)
Hilbert series, the Higgs mechanism, and HEFT
We expand Hilbert series technologies in effective field theory for the inclusion of massive particles, enabling, among other things, the enumeration of operator bases for non-linearly realized gauge theories. We find that the Higgs mechanism is manifest a ...
SPRINGER2023Scale invariant Einstein-Cartan gravity and flat space conformal symmetry
Georgios Karananas, Sebastian Zell
We find the conditions under which scale-invariant Einstein-Cartan gravity with scalar matter fields leads to an approximate conformal invariance of the flat space particle theory up to energies of the order of the Planck mass. In the minimal setup, these ...
New York2023A new method for lattice reduction using directional and hyperplanar shearing
A geometric method of lattice reduction based on cycles of directional and hyperplanar shears is presented. The deviation from cubicity at each step of the reduction is evaluated by a parameter called 'basis rhombicity' which is the sum of the absolute val ...
INT UNION CRYSTALLOGRAPHY2022A proof of the instability of AdS for the Einstein-massless Vlasov system
In recent years, the conjecture on the instability of Anti-de Sitter spacetime, put forward by Dafermos-Holzegel (Dynamic instability of solitons in 4 + 1 dimesnional gravity with negative cosmological constant, 2006. https://www.dpmms.cam.ac.uk/similar to ...
SPRINGER HEIDELBERG2022The S-matrix Bootstrap Reloaded
Quantum field theories (QFTs) are the backbone upon which the edifice of modern physics is built. In this thesis we explore the S-matrix bootstrap which is a non-perturbative method that constrains the vast space of QFTs by using consistency conditions tha ...
EPFL2021On the stress tensor light-ray operator algebra
Grégoire Olivier Mathys, Matthew Thomas Walters, Alexandre Mathieu Frédéric Belin
We study correlation functions involving generalized ANEC operators of the form integral dx-x-n+2T--x -> in four dimensions. We compute two, three, and ...
2021Dark Energy Survey year 1 results: Constraints on extended cosmological models from galaxy clustering and weak lensing
Yi Zhang, Eduardo Sanchez, Jonathan Andrew Blazek
We present constraints on extensions of the minimal cosmological models dominated by dark matter and dark energy, Lambda CDM and wCDM, by using a combined analysis of galaxy clustering and weak gravitational lensing from the first-year data of the Dark Ene ...
AMER PHYSICAL SOC2019Integrated Gallium Phosphide Photonics
The integration of new materials mediating light-matter interaction in nanoscale devices is a persistent goal in nanophotonics. One of these materials is Gallium phosphide, which offers an attractive combination of a high refractive index (n=3.05 at a wave ...
EPFL2019Studying Summarization Evaluation Metrics in the Appropriate Scoring Range
In summarization, automatic evaluation metrics are usually compared based on their ability to correlate with human judgments. Unfortunately, the few existing human judgment datasets have been created as by-products of the manual evaluations performed durin ...
ASSOC COMPUTATIONAL LINGUISTICS-ACL2019