Nathanaël Schaeffer

Publications

- 2022 -

  1. Sustaining Earth's magnetic dynamo
    Maylis Landeau, Alexandre Fournier, Henri-Claude Nataf, David Cébron, Nathanaël Schaeffer
    Nature Reviews Earth & Environment (2022)     [ bib | doi ]

- 2021 -

  1. Fluid dynamics experiments for planetary interiors
    Michael Le Bars, Ankit Barik, Fabian Burmann, Daniel P. Lathrop, Jérôme Noir, Nathanael Schaeffer, Santiago A. Triana
    Surveys in Geophysics (2021)     [ bib | doi | HAL ]
  2. The Effects of Robin Boundary Condition on Thermal Convection in a Rotating Spherical Shell
    T. Clarte, N. Schaeffer, S. Labrosse, J. Vidal
    Journal of Fluid Mechanics (2021)     [ bib | doi | HAL | arXiv | pdf ]
  3. Mean zonal flows induced by weak mechanical forcings in rotating spheroids
    D. Cebron, J. Vidal, N. Schaeffer, A. Borderies, A. Sauret
    Journal of Fluid Mechanics (2021)     [ bib | doi | HAL | arXiv | pdf ]

- 2019 -

  1. Rotating double-diffusive convection in stably stratified planetary cores
    R. Monville, J. Vidal, D. Cébron, N. Schaeffer
    Geophysical Journal International (2019)     [ bib | doi | HAL | arXiv | pdf ]
  2. Turbulent convective lengthscale in planetary cores
    C. Guervilly, P. Cardin, N. Schaeffer
    Nature (2019)     [ bib | doi | HAL | arXiv | pdf ]
  3. Torsional Alfvén waves in a dipolar magnetic field: experiments and simulations
    Zahia Tigrine, Henri-Claude Nataf, Nathanaël Schaeffer, Philippe Cardin, Franck Plunian
    Geophysical Journal International (2019)     [ bib | doi | HAL ]
  4. Exponential integrators with parallel-in-time rational approximations for the shallow-water equations on the rotating sphere
    Martin Schreiber, Nathanaël Schaeffer, Richard Loft
    Parallel Computing (2019)     [ bib | doi | arXiv ]
  5. Precessing spherical shells: flows, dissipation, dynamo and the lunar core
    D. Cebron, R. Laguerre, J. Noir, N. Schaeffer
    Geophysical Journal International (2019)     [ bib | doi | HAL | arXiv | pdf | movie | dataset ]

- 2018 -

  1. Dynamic domains of the Derviche Tourneur sodium experiment: Simulations of a spherical magnetized Couette flow
    Elliot Kaplan, Henri-Claude Nataf, Nathanaël Schaeffer
    Physical Review Fluids (2018)     [ bib | doi | arXiv | pdf | movie2 | movie1 ]
  2. Magnetic fields driven by tidal mixing in radiative stars
    Jérémie Vidal, David Cébron, Nathanaël Schaeffer, Rainer Hollerbach
    Monthly Notices of the Royal Astronomical Society (2018)     [ bib | doi | HAL | arXiv | pdf ]

- 2017 -

  1. Subcritical thermal convection of liquid metals in a rapidly rotating sphere
    E. Kaplan, N. Schaeffer, J. Vidal, P. Cardin
    Physical Review Letters (2017)     [ bib | doi | arXiv | pdf | movie | data ]
  2. Turbulent geodynamo simulations: a leap towards Earth's core
    Nathanaël Schaeffer, Dominique Jault, Henri-Claude Nataf, Alexandre Fournier
    Geophysical Journal International (2017)     [ bib | doi | HAL | arXiv | pdf | cnrs-news | movie2 | movie1 ]

- 2016 -

  1. Frequency spectrum of the geomagnetic field harmonic coefficients from dynamo simulations
    Claire Bouligand, Nicolas Gillet, Dominique Jault, Nathanaël Schaeffer, Alexandre Fournier, Julien Aubert
    Geophysical Journal International (2016)     [ bib | doi | HAL | pdf ]
  2. Electrical conductivity of the lowermost mantle explains absorption of core torsional waves at the equator
    Nathanaël Schaeffer, Dominique Jault
    Geophysical Research Letters (2016)     [ bib | doi | HAL | arXiv | pdf ]
  3. Performance benchmarks for a next generation numerical dynamo model
    H. Matsui, E. Heien, J. Aubert, J. M. Aurnou, M. Avery, B. Brown, B.A. Buffett, F. Busse, U.R. Christensen, C.J. Davies, N. Featherstone, T. Gastine, G.A. Glatzmaier, D. Gubbins, J.-L. Guermond, Y.-Y. Hayashi, R. Hollerbach, L.J. Hwang, A. Jackson, C.A. Jones, W. Jiang, L.H. Kellogg, W. Kuang, M. Landeau, P.H. Marti, P. Olson, A. Ribeiro, Y. Sasaki, N. Schaeffer, R.D. Simitev, A. Sheyko, L. Silva, S. Stanley, F. Takahashi, S. Takehiro, J. Wicht, A.P. Willis
    Geochemistry, Geophysics, Geosystems (2016)     [ bib | doi | HAL | pdf ]
  4. Can Core Flows inferred from Geomagnetic Field Models explain the Earth's Dynamo?
    Nathanaël Schaeffer, E Lora Silva, Maria A Pais
    Geophysical Journal International (2016)     [ bib | doi | HAL | arXiv | code ]

- 2015 -

  1. Quasi-geostrophic modes in the Earth's fluid core with an outer stably stratified layer
    Jérémie Vidal, Nathanaël Schaeffer
    Geophysical Journal International (2015)     [ bib | doi | HAL | arXiv | pdf | code ]
  2. 8.06 - Turbulence in the Core
    H.-C. Nataf, N. Schaeffer
    Treatise on Geophysics (Second Edition) (2015)     [ bib | doi | pdf ]
  3. Variability modes in core flows inverted from geomagnetic field models
    Maria A Pais, Anna L Morozova, Nathanaël Schaeffer
    Geophysical Journal International (2015)     [ bib | doi | HAL | arXiv | movie2 | movie1 ]

- 2014 -

  1. Turbulence Reduces Magnetic Diffusivity in a Liquid Sodium Experiment
    Simon Cabanes, Nathanaël Schaeffer, Henri-Claude Nataf
    Physical Review Letters (2014)     [ bib | doi | HAL | arXiv | pdf | erratum ]
    An inconsistence with the sign in front of beta is corrected in the erratum, also included in the latest hal and arXiv versions.
  2. Magnetic induction and diffusion mechanisms in a liquid sodium spherical Couette experiment
    Simon Cabanes, Nathanaël Schaeffer, Henri-Claude Nataf
    Physical Review E (2014)     [ bib | doi | HAL | arXiv | pdf ]
  3. Full sphere hydrodynamic and dynamo benchmarks
    P. Marti, N. Schaeffer, R. Hollerbach, D. Cébron, C. Nore, F. Luddens, J.-L. Guermond, J. Aubert, S. Takehiro, Y. Sasaki, Y.-Y. Hayashi, R. Simitev, F. Busse, S. Vantieghem, A. Jackson
    Geophysical Journal International (2014)     [ bib | doi | pdf ]

- 2013 -

  1. Modes and instabilities in magnetized spherical Couette flow
    Aldo Figueroa, Nathanaël Schaeffer, Henri-Claude Nataf, Denys Schmitt
    Journal of Fluid Mechanics (2013)     [ bib | doi | HAL | arXiv | movies ]
  2. Efficient spherical harmonic transforms aimed at pseudospectral numerical simulations
    Nathanaël Schaeffer
    Geochemistry, Geophysics, Geosystems (2013)     [ bib | doi | HAL | arXiv | pdf | code ]
    A few misprints have been corrected in the latest hal and arXiv versions.

- 2012 -

  1. Can a sinking metallic diapir generate a dynamo?
    Julien Monteux, Nathanaël Schaeffer, Hagay Amit, Philippe Cardin
    Journal of Geophysical Research: Planets (2012)     [ bib | doi | HAL | pdf ]
  2. On the reflection of Alfvén waves and its implication for Earth's core modeling
    Nathanaël Schaeffer, Dominique Jault, Philippe Cardin, Marie Drouard
    Geophysical Journal International (2012)     [ bib | doi | HAL | arXiv | pdf ]
  3. A dynamo driven by zonal jets at the upper surface: Applications to giant planets
    Céline Guervilly, Philippe Cardin, Nathanaël Schaeffer
    Icarus (2012)     [ bib | doi | arXiv ]

- 2011 -

  1. On symmetry and anisotropy of Earth-core flows
    Nathanaël Schaeffer, Maria Alexandra Pais
    Geophysical Research Letters (2011)     [ bib | doi | HAL ]
  2. Rationale and geophysical evidence for quasi-geostrophic rapid dynamics within the Earth's outer core
    Nicolas Gillet, Nathanaël Schaeffer, Dominique Jault
    Physics of the Earth and Planetary Interiors (2011)     [ bib | doi | HAL ]
    Many misprints have been introduced by Elsevier in the version published in 2011, it has thus been republished correctly in 2012.

- 2010 -

  1. Nonlinear dynamics of the elliptic instability
    Nathanaël Schaeffer, Stéphane Le Dizès
    Journal of Fluid Mechanics (2010)     [ bib | doi | pdf | movie2 | movie1 ]

- 2008 -

  1. Stability of a pair of co-rotating vortices with axial flow
    Clément Roy, Nathanaël Schaeffer, Stéphane Le Dizès, Mark Thompson
    Physics of Fluids (2008)     [ bib | doi | pdf ]

- 2006 -

  1. Quasi-geostrophic kinematic dynamos at low magnetic Prandtl number
    Nathanaël Schaeffer, Philippe Cardin
    Earth and Planetary Science Letters (2006)     [ bib | doi | HAL ]

- 2005 -

  1. Rossby-wave turbulence in a rapidly rotating sphere
    Nathanaël Schaeffer, Philippe Cardin
    Nonlinear Processes in Geophysics (2005)     [ bib | doi | pdf ]
  2. Quasigeostrophic model of the instabilities of the Stewartson layer in flat and depth-varying containers
    Nathanaël Schaeffer, Philippe Cardin
    Physics of Fluids (2005)     [ bib | doi | HAL ]

- 2001 -

  1. Interaction of rising and sinking mantle plumes
    Nathanaël Schaeffer, Michael Manga
    Geophysical Research Letters (2001)     [ bib | doi | pdf ]