Preprints

• Screened Thin-Target Bremsstrahlung with Partially-Ionized High-Z Species
  S. Guinchard, Y. Savoye-Peysson, J. Decker (2025).
  Submitted. arXiv

Publications

• Including the vacuum energy in stellarator coil design
  S. Guinchard, S. R. Hudson, E. J. Paul.
  Plasma Physics and Controlled Fusion, 67(3), 035028 (2025). Link

• Sensitivity of the magnetic axis to variations in the magnetic field
  S. R. Hudson, S. Guinchard, W. Sengupta.
  Physics of Plasmas, 32(1), 012505 (2025). Link

• Application of Lagrangian techniques for calculating the on-axis rotational transform
  S. Guinchard, W. Sengupta, S. R. Hudson.
  Journal of Plasma Physics (2024). Link

• FENNECS: a novel particle-in-cell code for simulating the formation of magnetized non-neutral plasmas trapped by electrodes of complex geometries
  G. Le Bars, S. Guinchard, J. Loizu, J.P. Hogge, S. Alberti, F. Romano, J. Genoud, A. Cerfon.
  Computer Physics Communications (2023). Link

Conferences

• Towards a Unified Description of Thin-Target Bremsstrahlung with High-Z Species
  S. Guinchard, Y. Savoye-Peysson, J. Decker.
  Presented at the 51st EPS Conference on Plasma Physics, Vilnius, Lithuania (July 2025).

• Including the vacuum field energy in stellarator coil design
  S. Guinchard, S. R. Hudson, E. J. Paul.
  Poster at the 2024 Joint Varenna-Lausanne International Workshop on the Theory of Fusion Plasmas, Varenna, Italy (September 2024).

• Application of Lagrangian integration to the magnetic axis
  S. R. Hudson, S. Guinchard, W. Sengupta.
  Poster at the 2024 Joint Varenna-Lausanne International Workshop on the Theory of Fusion Plasmas, Varenna, Italy (September 2024).

• Lagrangian techniques and on-axis rotational transform — Vacuum field energy for coil design
  S. Guinchard, S. R. Hudson, W. Sengupta, E. J. Paul.
  Talk at Columbia University, New York, NY (August 2023).

• Recovering the on-axis rotational transform from variational principles
  S. Guinchard, W. Sengupta, S. R. Hudson.
  Online talk, Princeton, NJ (November 2023).

• FENNECS: A flexible code to simulate non-neutral plasmas trapped in penning-like annular potential wells
  G. Le Bars, S. Guinchard, J.P. Hogge, et al.
  49th EPS Conference on Plasma Physics, Bordeaux, France (July 2023).

• Equilibrium β-limit in a quasi-axisymmetric stellarator with self-consistent bootstrap current
  A. Baillod, S. Guinchard, J. Loizu, J. P. Graves.
  Poster at the Simons Meetings on Hidden Symmetries and Fusion Energy, Princeton, NJ (March 2023).

• Numerical study of the influence of ion-induced electron emissions on the dynamics of electron clouds in gyrotron-like geometries
  S. Guinchard, G. Le Bars.
  EPFL, Lausanne, Switzerland (January 2023).