Sébastien Clesse

Contact details

Email: sebastien.clesse@ulb.ac.be
Homepage: https://sebclesse.wixsite.com/clesse
Current position: Assistant Professor
Place: Brussels University (ULB), Brussels (Belgium)

My fields of interest include cosmic inflation (hybrid models, forecasts for future CMB missions), primordial black holes (formation, gravitational-waves, dark matter, astrophysical and cosmological signatures), Bayesian methods in cosmology (development of MontePython likelihoods for Euclid, SKA, COrE), modified gravity (signatures in large-scale structures, 21cm signal, solar system and laboratory experiments). I am involved in several international experiments, such as Euclid, the SKA, LISA and LIGO/Virgo.

Publications @ Inspire @ ADS @ arXiv

Publications @ CURL


  • [1] Clesse S and Garcia-Bellido J 2022 GW190425, GW190521 and GW190814: Three candidate mergers of primordial black holes from the QCD epoch Phys. Dark Univ. 38 101111
    Abstract: arXiv:2007.06481
    Journal: 10.1016/j.dark.2022.101111

  • 2021

  • [1] Joana C and Clesse S 2021 Inhomogeneous initial conditions for inflation: A wibbly-wobbly timey-wimey path to salvation Phys. Rev. D 103 083501
    Abstract: arXiv:2011.12190
    Journal: 10.1103/PhysRevD.103.083501

  • [2] Carr B, Clesse S, Garcia-Bellido J and Kuhnel F 2021 Cosmic Conundra Explained by Thermal History and Primordial Black Holes Phys. Dark Univ. 31 100755
    Abstract: arXiv:1906.08217
    Journal: 10.1016/j.dark.2020.100755

  • [3] Garcı́a-Bellido Juan, Carr B and Clesse S 2021 Primordial Black Holes and a Common Origin of Baryons and Dark Matter Universe 8 12
    Abstract: arXiv:1904.11482
    Journal: 10.3390/universe8010012

  • 2019

  • [1] Carr B, Clesse S and García-Bellido J 2019 Primordial black holes from the QCD epoch: linking dark matter, baryogenesis, and anthropic selection Monthly Notices of the Royal Astronomical Society 501 1426–39
    Abstract: arXiv:1904.02129
    Journal: 10.1093/mnras/staa3726

  • [2] Kashlinsky A and others 2019 Populations behind the source-subtracted cosmic infrared background anisotropies Bull.Am.Astron.Soc. 51 37
    Abstract: arXiv:1903.04324

  • [3] Kashlinsky A and others 2019 Electromagnetic probes of primordial black holes as dark matter Bull.Am.Astron.Soc. 51 51
    Abstract: arXiv:1903.04424
    Ads: 51

  • [4] Chluba J and others 2019 Spectral Distortions of the CMB as a Probe of Inflation, Recombination, Structure Formation and Particle Physics Bull.Am.Astron.Soc. 51 184
    Abstract: arXiv:1903.04218
    Ads: 184

  • [5] Sprenger T, Archidiacono M, Brinckmann T, Clesse S and Lesgourgues J 2019 Cosmology in the era of Euclid and the Square Kilometre Array JCAP 02 047
    Abstract: arXiv:1801.08331
    Journal: 10.1088/1475-7516/2019/02/047

  • 2018

  • [1] Clesse S, Garcia-Bellido J and Orani S 2018 Detecting the Stochastic Gravitational Wave Background from Primordial Black Hole Formation
    Abstract: arXiv:1812.11011

  • [2] Garcia-Bellido J, Clesse S and Fleury P 2018 Primordial black holes survive SN lensing constraints Phys. Dark Univ. 20 95–100
    Abstract: arXiv:1712.06574
    Journal: 10.1016/j.dark.2018.04.005

  • [3] Clesse S and Garcia-Bellido J 2018 Seven Hints for Primordial Black Hole Dark Matter Phys. Dark Univ. 22 137–46
    Abstract: arXiv:1711.10458
    Journal: 10.1016/j.dark.2018.08.004

  • [4] Garcia-Bellido J and Clesse S 2018 Constraints from microlensing experiments on clustered primordial black holes Phys. Dark Univ. 19 144–8
    Abstract: arXiv:1710.04694
    Journal: 10.1016/j.dark.2018.01.001

  • 2017

  • [1] Garcia-Bellido J and Clesse S 2017 Black Holes from the Beginning of Time Sci. Am. 317 38–43
    Journal: 10.1038/scientificamerican0717-38

  • 2011

  • [1] Clesse S 2011 Hybrid Inflation: Multi-field Dynamics and Cosmological Constraints PhD thesis (Brussels U.)
    Abstract: arXiv:1109.5575

  • [2] Lilley M, Lorenz L and Clesse S 2011 Observational signatures of a non-singular bouncing cosmology JCAP 1106 004
    Abstract: arXiv:1104.3494
    Journal: 10.1088/1475-7516/2011/06/004

  • [3] Clesse S 2011 Hybrid inflation along waterfall trajectories Phys. Rev. D83 063518
    Abstract: arXiv:1006.4522
    Journal: 10.1103/PhysRevD.83.063518

  • 2010

  • [1] Clesse S 2010 Initial conditions in hybrid inflation: Exploration by MCMC technique Proceedings, 45th Rencontres de Moriond on Cosmology: La Thuile, Italy, March 13-20, 2010 pp 269–74
    Abstract: arXiv:1006.4435

  • [2] Clesse S 2010 Anamorphosis in hybrid inflation: How to avoid fine-tuning of initial conditions? Proceedings, International Conference on Invisible Universe: Paris, France, June 29-July 3, 2009 1241 543–50
    Abstract: arXiv:0910.3819
    Journal: 10.1063/1.3462683

  • 2009

  • [1] Clesse S, Ringeval C and Rocher J 2009 Fractal initial conditions and natural parameter values in hybrid inflation Phys. Rev. D80 123534
    Abstract: arXiv:0909.0402
    Journal: 10.1103/PhysRevD.80.123534

  • [2] Clesse S and Rocher J 2009 Avoiding the blue spectrum and the fine-tuning of initial conditions in hybrid inflation Phys. Rev. D79 103507
    Abstract: arXiv:0809.4355
    Journal: 10.1103/PhysRevD.79.103507