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Jackson White

Headshot of Jackson White
Program Year:
3
University:
University of Texas at Austin
Field of Study:
Plasma Spectral Line Shapes
Advisor:
Don Winget
Degree(s):
B.S. Astrophysics, and B.A. Classical Studies, Rice University, 2021

Practicum Experience(s)

Lawrence Livermore National Laboratory (2024)

Practicum Supervisor(s):
Paul
Grabowski
Practicum Title:
The Pseudospectral Rotated Coordinate Method: ​A Proof of Concept with H Bound-Free Opacity

Annual Program Review Abstracts

Fellow Poster
: Detailed Line Broadening in Hot Dense Plasmas (
2025
)
Fellow Poster
: Resonant Molecular Opacity in Stellar Atmospheres (
2024
)

Publications

1) J. White, W. Johns, C. Fontes, N. Gill, N. Shaffer, C. Starrett, "Charge State Distributions in Dense Plasmas", Phys. Plasmas 29, 043301 (2022)

2) J. White, C. Fontes, M. Zammit, T. Gomez, C. Starrett, "Pseudoatom Molecular Dynamics Plasma Microfields", High Energy Density Physics, 54, 101173 (2025)

3) J. White, C. Johnson, K. Davis, H.B. Tran Tan, C. Fontes, C. Starrett, "Quantum Fluctuations in Dense Plasma Simulations", Physics of Plasmas, 33, 032701 (2026)

4) T. Gomez, M. Zammit, C. Fontes, and J. White, "A Quantum-mechanical Treatment of Electron Broadening in Strong Magnetic Fields", ApJ 951 143 (2023)

5) T. Gomez, M. Zammit, I. Bray, C. Fontes, J. White "A Quantum Mechanical Treatment of Electron Broadening in Strong Magnetic Fields. II. Large Enhancements due to Exchange Interactions", ApJ, 963, 62 (2024)

6) T. Gomez, E. Stambulchik, and J. White, "The Impact of Penetrating Collisions of Plasma Ions on Spectral Line Shapes", Phys Rev A, 109, 052804 (2024)

7) T. Gomez, M. Zammit, C. Fontes, I. Bray, J. White, "Motional Stark effect on bound-free spectra", Phys Rev A, 110, 032808 (2024)

8) C. Starrett, C. Fontes, H.B. Tran Tan, J. Kasper, J. White, "Dense Plasma Opacity from Excited States Method", Phys. Rev E. 110, 045208 (2024)

9) T. Gomez, M. Zammit, I. Bray, C. Fontes, J. White, and H. Johnson, "Modeling Competing Line-broadening Mechanisms in Neutron Star Atmospheres: Interference between Motional Stark and Ion Broadening", ApJ 977, 75 (2024)

10) T. Gomez, M. Zammit, J. White, E. Stambulchik, I. Hubeny, I. Bray, C. Fontes, M. Montgomery, B. Dunlap, D. Winget, "Increased LyA opacity in White Dwarf Photospheres from Transient H- Resonances", ApJ 986, 52 (2025)

11) T. Gomez, A. Baczewski, M. Zammit, C. Fontes, A. Kowalski, J. White, "Quantum theory of spectral line broadening by plasma oscillations", Phys. Rev. E, 112, 055203 (2025)

12) H.B. Tran Tan, K. Davis, C. Johnson, J. White, C. Fontes, C. Starrett, "Electron-impact ionization from excited states method", HEDP, 58, 101270 (2026)

13) T. Gomez, D. Fursa, I. Bray, C. Zammit, C. Fontes, J. White, "Close-coupling approach to electron scattering with multielectron targets", Phys. Rev. A., 113, 042814 (2026)