Person

Julien Lesgourgues

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Related publications (71)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Euclid: Validation of the MontePython forecasting tools

Slobodan Ilic, Georges Meylan, Frédéric Courbin, Julien Lesgourgues, Richard Massey, Maurizio Martinelli, Jean-Luc Starck, Yi Wang

Context. The Euclid mission of the European Space Agency will perform a survey of weak lensing cosmic shear and galaxy clustering in order to constrain cosmological models and fundamental physics. Aims. We expand and adjust the mock Euclid likelihoods of t ...

Edp Sciences S A2024

Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies

Frédéric Courbin, Julien Lesgourgues, Fabio Finelli, Florian Niedermann, Mikhail Ivanov, Emre Ozulker, Melissa Joseph, Suresh Kumar, Richard Irving Anderson, Hsin-Yu Chen, Jie Wang, Adriano Agnello

The standard Lambda Cold Dark Matter (Lambda CDM) cosmological model provides a good description of a wide range of astrophysical and cosmological data. However, there are a few big open questions that make the standard model look like an approximation to ...

ELSEVIER2022

REVIEW OF PARTICLE PHYSICS Particle Data Group

Kai Oliver Arras, Christophe Bauer, Olivier Schneider, Riddhiman Sarkar, Julien Lesgourgues, Florian Patrick Marie Daniel De la Barre De Nanteuil, Greig Alan Cowan, Varun Sharma, Frank Zimmermann, Lorena Gonçalves de Alcântara e Freitas Krikler, Vladimir Petrov

The Review summarizes much of particle physics and cosmology. Using data from previous editions, plus 2,873 new measurements from 758 papers, we list, evaluate, and average measured properties of gauge bosons and the recently discovered Higgs boson, lepton ...

American Physical Society2018

People doing similar research (32)

Jean-Paul Richard Kneib

Frédéric Courbin

After his studies in fundamental physics at the University of Paris-XI (Orsay, France), Frédéric Courbin carried out his PhD work between the Astrophysics Institute of the University of Liège (Belgium), Paris Observatory (France), and the European Southern Observatory (Germany). In 1999, he left Europe for three years, taking advantage of the clear skies of Chile to carry out his research using the brand new Very Large Telescope, constructed by Europe in the Atacama desert. In 2004, after two years of a Marie Curie fellowship at the University of Liège, he joint the Laboratory of Astrophysics, where he is now Professor. His main fields of activity are in observational cosmology and extragalactic astrophysics as well as in image and signal processing. In 2018, he was awarded an ERC Advanced Grant in connection with his work in cosmology with gravitational lenses. At EPFL, he is a member of the committee for the Physics Doctoral School since 2013 and has been the tutor of more than 30 PhD students. He is a member of the EPFL Council for the Faculty of Basic Sciences since 2018 and a member of the School Assembly since 2020.

Georges Meylan

After his PhD thesis in astrophysics in 1985 at the Astronomical Observatory of the University of Geneva, Georges Meylan spent some years as a postdoc at the University of California in Berkeley, USA, and at the Headquarters of the European Southern Observatory (ESO) in Munich, Germany. He then hold senior astronomer positions at ESO in Munich and at the Space Telescope Science Institute (STScI) in Baltimore, USA. Since 2004, he holds the chair of astrophysics at EPFL. His research interests are related to observational cosmology, including the phenomenon of gravitational lensing, quasars and their host galaxies, the formation and evolution of galaxies from the early Universe to the present time, stellar dynamics and stellar populations from the nearby to the most distant galaxies.