Homepage of Walter Johnson (Notre Dame University)

Walter R. Johnson
Frank M. Freimann Professor of Physics (Emeritus)
Department of Physics
225 Nieuwland Science
University of Notre Dame
Notre Dame, IN 46556
Tel. (574) 631-6651
Fax. (574) 631-5952
Cell. (574) 274-7048

email: johnson@nd.edu

Teaching Material

Course Material for Physics 356 E&M -- Fall (2003) (WebCT)

Course Material for Physics 357 Electromagnetic Waves -- Spring (2004) (WebCT)

Course Material for Physics 80301 Atomic Physics I -- Fall (2005)

Material for C. E. A. Lectures -- July (2005)

Course Material for Physics 70006 E&M I -- Spring (2006)

Meeting with Physics Grad. Students (circa 1965).

Research Areas

Activities (1958-2005)

Activities (2006-2010)

Publications (1958-2011)

Publications (2012-2017)

Atomic Structure Theory: Lectures on Atomic Physics, Walter R. Johnson, Springer Verlag, Berlin (ISBN 978-3-540-68010-9). A textbook on atomic structure for students with a background in quantum mechanics. (Available from amazon.com ) Supplementary material for this book is available at Atomic Structure Material

  1. Thomson Scattering in the Average-Atom Approximation, W.R. Johnson, J. Nilsen and K.T. Cheng, Phys. Rev. E 86, 036410 (2012). arXiv:1207.0178
  2. Using the X-FEL to understand X-ray Thomson scattering for partially ionized plasmas, J. Nilsen, W.R. Johnson and K.T. Cheng, 13th International Conference on X-ray Lasers Paris, France June 10, 2012 through June 15, 2012, Report-no: LLNL-PROC-564720. arXiv:1207.5075
  3. Average-Atom Model for X-ray Scattering from Warm Dense Matter, W.R. Johnson, J. Nilsen and K.T. Cheng, Submitted to proceedings of Workshop IV: Computational Challenges in Warm Dense Matter IPAM (UCLA) May 21 - 25 (2012). arXiv:1211.0227
  4. The effect of bound states on X-ray Thomson scattering for partially ionized plasmas, J. Nilsen, W.R. Johnson and K.T. Cheng, High Energy Density Physics, 9, 388-391 (2013). arXiv:1212.5972
  5. Resonant Bound-Free Contributions to Thomson Scattering of X-rays by Warm Dense Matter, W.R. Johnson, J. Nilsen and K.T. Cheng, High Energy Density Physics, 9, 407-409 (2013). arXiv:1301.3440
  6. X-ray Thomson scattering for partially ionized plasmas including the effect of bound levels, J. Nilsen, W.R. Johnson and K.T. Cheng, X-Ray Lasers and Coherent X-Ray Sources: Developement and Applications X, Proceedings of SPIE 2013, p. 8849 arXiv:1309.6281
  7. Thomson scattering from a three-component plasma, W.R. Johnson and J. Nilsen, Phys. Rev. E, 89, 023107 (2014). PDF
  8. Using the X-FEL to Understand X-Ray Thomson Scattering for Partially Ionized Plasmas, J. Nilsen, W. R. Johnson and K. T. Cheng, X-Ray Lasers 2012, Springer Proceedings in Physics, 147, 193-198 (2014)
  9. Average-atom treatment of relaxation time in X-ray Thomson scattering from warm-dense matter, W. R. Johnson and J. Nilsen, Phys. Rev. E, 93, 033295 (2016). arXiv:1512.09155v4
  10. Relativistic many-body calculation of energies, lifetimes, polarizabilities, blackbody radiative shift, and hyperfine constants in Lu2+, U. I. Safronova, M. S. Safronova and W. R. Johnson, Phys. Rev. A, 94 032506 (2016). arXiv:1607.003880v3
  11. Forbidden M1 and E2 transitions in monovalent atoms and ions, U. I. Safronova, M. S. Safronova and W. R. Johnson, Phys. Rev. A, 95, 042507 (2017). arXiv:1611.01191
  12. X-ray line coincidence photopumping in a solar flare, F. P. Keenan, K. Poppenhaeger, M. Mathioudakis, S. J. Rose, J. Flowerdew, D. Hynes, Damian J. Christian, J. Nilsen and W. R. Johnson, Submitted to Nature Astronomy (2017). PDF

Other (Unpublished) Atomic Physics Material

Atomic Theory Group at Notre Dame, Close Collaborators & Visitors

Useful Links

Societies, Institutes, and Publishers

* American Physical Society
* ITP, Santa Barbara
* Theoretical AMO Physics, Boulder
* ITAMP
* World Science
* American Institute of Physics
* Institute of Physics

Useful Data Sources

* Netlib at ORNL
* NIST Home Page
* Web Elements
* Particle Data Group
* Atomic Physics on the Internet

TeX and LaTeX

* TeX Users Group
* The PracTeX Journal
* Donald E. Knuth
* CTAN

Other Links

* Alexander von Humboldt Foundation
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