Sébastien Galtier
Professeur at Université Paris-Sud
Space Plasmas team

Laboratoire de Physique des Plasmas
Ecole Polytechnique, 91128 Palaiseau, France

Phone: +33 (0)1 69 33 58 46
Email: sebastien.galtier@lpp.polytechnique.fr

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Research

My research interest is on turbulence in astrophysics and cosmology. I use both high level mathematical tools and massive numerical simulations to study the properties of turbulence and discover new fundamental laws. The domains of application are diverse: solar wind plasma, supersonic interstellar medium, solar coronal heating, dynamo in stars and planets and primordial gravitational waves. Magnetohydrodynamics (MHD) and general relativity are the main equations used to investigate these questions.

solar wind ISM
  Solar wind plasma   Magnetohydrodynamics   Supersonic interstellar plasma  

 

  Sun   interfaces   Dynamos
  Solar coronal heating   Primordial cosmology   Planetary dynamos

Highlighted Publications (full list)

« Compressible MHD Turbulence in the Earth's Magnetosheath »,
L.Z. Hadid, F. Sahraoui, S. Galtier and S.Y. Huang, Phys. Rev. Lett. 120, 055102 (2018)
« Turbulence of Weak Gravitational Waves in the Early Universe »,
S. Galtier and S.V. Nazarenko, Phys. Rev. Lett. 119, 221101 (2017)
« Direct Evidence of the Transition from Weak to Strong MHD Turbulence »,
R. Meyrand, S. Galtier and K. Kiyani, Phys. Rev. Lett. 116, 105002 (2016)
« Scaling of Compressible Magnetohydrodynamic Turbulence in the Fast Solar Wind »,
S. Banerjee, L.Z. Hadid, F. Saharoui and S. Galtier, Astrophys. J. 829, L27 (2016)
« Exact Relation with Two-point Correlation Functions for Compressible MHD Turbulence »,
S. Banerjee and S. Galtier, Phys. Rev. E 87, 013019 (2013)
« Spontaneous Chiral Symmetry Breaking of Hall MHD Turbulence »,
R. Meyrand and S. Galtier, Phys. Rev. Lett. 109, 194501 (2012)
« Exact Relation for Correlation Functions in Compressible Isothermal Turbulence »,
S. Galtier and S. Banerjee, Phys. Rev. Lett. 107, 134501 (2011)
« Multi-Scale Hall-MHD Turbulence in the Solar Wind »,
S. Galtier and É. Buchlin, Astrophys. J. 656, 560-566 (2007)
« Wave Turbulence in Incompressible Hall Magnetohydrodynamics »,
S. Galtier, J. Plasma Physics 72, 721-769 (2006)
« Weak Inertial Wave Turbulence Theory »,
S. Galtier, Phys. Rev. E 68, 015301(R) (2003)
« A Weak Turbulence Theory for Incompressible MHD »,
S. Galtier, S.V. Nazarenko, A.C. Newell and A. Pouquet, J. Plasma Physics 63, 447-488 (2000)

« Introduction to Modern Magnetohydrodynamics », S. Galtier, Cambridge University Press, 288 pages (2016)
« Magnétohydrodynamique: des Plasmas de Laboratoire à l'Astrophysique », S. Galtier, Vuibert, 304 pages (2013)