@article{Spencer2025_1,
  title = {An implementation of a high-order generalized finite difference method for solving the time-harmonic cold plasma wave equation in toroidal geometry},
  author = {J. A. Spencer and V. A. Svidzinski and J. S. Kim and L. Zhao and S. A. Galkin},
  year = {2025},
  journal = {Physics of Plasmas 32, 063902},
  doi = {10.1063/5.0255884}
}

@article{Spencer2025_2,
  title = {An analysis and successful benchmarking of the Chapman-Enskog-like (CEL) continuum kinetic closure approach algorithm in NIMROD},
  author = {J. R. Jepson and C. C. Hegna and E. D. Held and C. R. Sovinec and J. A. Spencer and E. C. Howell},
  year = {2025},
  journal = {Computer Physics Communications 306, 109382},
  doi = {10.1016/j.cpc.2024.109382}
}

@article{Spencer2023_3,
  title = {Moment-Fourier approach to ion parallel fluid closures and transport for a toroidally confined plasma},
  author = {J.-Y. Ji and E. D. Held and J. A. Spencer and Y.-S. Na},
  year = {2023},
  journal = {Plasma Physics and Controlled Fusion 65, 035018},
  doi = {10.1088/1361-6587/acb3f8}
}

@article{Spencer2022_4,
  title = {Accurate numerical, integral methods for computing drift-kinetic Trubnikov-Rosenbluth potentials},
  author = {J. A. Spencer and B. Adair and E. D. Held and J.-Y. Ji and J. R. Jepson},
  year = {2022},
  journal = {Journal of Computational Physics 450, 110862},
  doi = {10.1016/j.jcp.2021.110862}
}

@article{Spencer2021_5,
  title = {Benchmarking NIMROD continuum kinetic formulations through the steady-state poloidal flow},
  author = {J. R. Jepson and C. C. Hegna and E. D. Held and J. A. Spencer and B. C. Lyons},
  year = {2021},
  journal = {Physics of Plasmas 28, 082503},
  doi = {10.1063/5.0054978}
}

@article{Spencer2021_6,
  title = {Potential, field, and interactions of multipole spheres: Coated spherical magnets},
  author = {J.-Y. Ji and B. F. Edwards and J. A. Spencer and E. D. Held},
  year = {2021},
  journal = {Journal of Magnetism and Magnetic Materials 529, 167861},
  doi = {10.1016/j.jmmm.2021.167861}
}

@article{Spencer2020_7,
  title = {Exact irreducible moments of the Landau collision operator in the random-velocity moment expansion},
  author = {J.-Y. Ji and J. A. Spencer and E. D. Held},
  year = {2020},
  journal = {Plasma Research Express 2},
  doi = {10.1088/2516-1067/ab7d0f}
}

@article{Spencer2018_8,
  title = {Hybrid iterative approach for simulation of radio-frequency fields in plasma},
  author = {V. A. Svidzinski and J.-S. Kim and L. Zhao and S. A. Galkin and J. A. Spencer},
  year = {2018},
  journal = {Physics of Plasmas 25, 082509},
  doi = {10.1063/1.5037110}
}

@article{Spencer2016_9,
  title = {Hot plasma dielectric response to radio-frequency fields in inhomogeneous magnetic field},
  author = {V. A. Svidzinski and J. S. Kim and J. A. Spencer and L. Zhao and S. A. Galkin and E. G. Evstatiev},
  year = {2016},
  journal = {Physics of Plasmas 23, 112101},
  doi = {10.1063/1.4966638}
}

@article{Spencer2015_10,
  title = {Electron-beam-ion-source (EBIS) modeling progress at FAR-TECH, Inc.},
  author = {J. S. Kim and L. Zhao and J. A. Spencer and E. G. Evstatiev},
  year = {2015},
  journal = {AIP Conference Proceedings 1640, 44},
  doi = {10.1063/1.4905399}
}

@article{Spencer2014_11,
  title = {Modeling multiple-frequency electron cyclotron resonance heating},
  author = {J. A. Spencer and C. Kim and J.-S. Kim and E. G. Evstatiev and V. Svidzinski and B. Cluggish},
  year = {2014},
  journal = {Review of Scientific Instruments 85, 02A914},
  doi = {10.1063/1.4827540}
}

@article{Spencer2014_12,
  title = {Analytical and numerical modeling of radio frequency electron cyclotron resonance power absorption within the cold plasma picture},
  author = {E. G. Evstatiev and V. A. Svidzinski and J. A. Spencer and J. S. Kim},
  year = {2014},
  journal = {Review of Scientific Instruments 85, 02A503},
  doi = {10.1063/1.4827576}
}

@article{Spencer2012_13,
  title = {A finite element/Fourier treatment of the Fokker-Planck equation},
  author = {J. A. Spencer and J.-Y. Ji and E. D. Held},
  year = {2012},
  journal = {Journal of Computational Physics 231, 6192},
  doi = {10.1016/j.jcp.2012.06.004}
}

@phdthesis{Spencer2012_14,
  title = {A 2D finite element/1D Fourier solution to the Fokker-Planck equation},
  author = {J. A. Spencer},
  year = {2012},
  school = {Utah State University},
  url = {https://digitalcommons.usu.edu/etd/1257/}
}

@article{Spencer2011_15,
  title = {The existence of time},
  author = {J. A. Spencer and J. T. Wheeler},
  year = {2011},
  journal = {International Journal of Geometric Methods in Modern Physics 8, 273–301},
  doi = {10.1142/S0219887811005130},
  eprint = {0811.0112},
  archivePrefix = {arXiv}
}