Publications

2026

Bayesian optimization of stellarator alpha-particle confinement using data-informed parameter spaces and dimensionality reduction

Matt Landreman, Misha Czekanski, Andrew Giuliani, Byoungchan Jang, and Rory Conlin

Submitted (2026)

arXiv version

@unpublished{landreman2026bayesian,
  author = {Landreman, Matt and Czekanski, Misha and Giuliani, Andrew and Jang, Byoungchan and Conlin, Rory},
  title  = {Bayesian optimization of stellarator alpha-particle confinement using data-informed parameter spaces and dimensionality reduction},
  year   = {2026},
  eprint = {2606.19523}
}

Deflation techniques for stellarator equilibrium and optimization

Dario Panici, Byoungchan Jang, Rory Conlin, Daniel Dudt, Yigit G. Elmacioglu, and Egemen Kolemen

Submitted (2026)

arXiv version

@unpublished{panici2026deflation,
  author = {Panici, Dario and Jang, Byoungchan and Conlin, Rory and Dudt, Daniel and Elmacioglu, Yigit G. and Kolemen, Egemen},
  title  = {Deflation techniques for stellarator equilibrium and optimization},
  year   = {2026},
  eprint = {2602.09957}
}

2025

Exponential spectral scaling: robust and efficient stellarator boundary optimisation via mode-dependent scaling

Byoungchan Jang, Matt Landreman, and Rory Conlin

Journal of Plasma Physics 92, E15 (2026)

journal version arXiv version

@article{jang2026spectral,
  author  = {Jang, Byoungchan and Landreman, Matt and Conlin, Rory},
  title   = {Exponential spectral scaling: robust and efficient stellarator boundary optimisation via mode-dependent scaling},
  journal = {Journal of Plasma Physics},
  volume  = {92},
  pages   = {E15},
  year    = {2026},
  doi     = {10.1017/S0022377825101074},
  eprint  = {2509.16320}
}

2024

Grad–Shafranov equilibria via data-free physics-informed neural networks

Byoungchan Jang, Alan A. Kaptanoglu, Rahul Gaur, Shaowu Pan, Matt Landreman, and William Dorland

Physics of Plasmas 31, 032510 (2024)

journal version arXiv version code

@article{jang2024gspinn,
  author  = {Jang, Byoungchan and Kaptanoglu, Alan A. and Gaur, Rahul and Pan, Shaowu and Landreman, Matt and Dorland, William},
  title   = {Grad–Shafranov equilibria via data-free physics-informed neural networks},
  journal = {Physics of Plasmas},
  volume  = {31},
  pages   = {032510},
  year    = {2024},
  doi     = {10.1063/5.0188634},
  eprint  = {2311.13491},
  note    = {Code: https://github.com/byoungj/deepxde-gs}
}

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