Alex Friedman

Group Leader, MFE Theory and Modeling
Physics Division
Email: af@llnl.gov
Phone: +19254220827

Education

  • BS, Engineering Physics, Cornell University, 1973
  • PhD, Applied Physics, Cornell University, 1980

Professional Background

  • Physicist, Lawrence Livermore National Laboratory, 1980-present.
  • Associate Program Leader for Theory and Computations, Fusion Energy Sciences Program, Physics Division, LLNL, from October, 2016 (acting, from May, 2016).
  • Associate Program Leader for High Energy Density Physics / Heavy Ion Fusion Science, Fusion Energy Sciences Program, Physics Division, LLNL, 2001-2013.
  • Theory and Simulations Group Leader, Heavy Ion Fusion Science Virtual National Laboratory
    (a collaboration of LBNL, LLNL, and PPPL), 1998-2015.
  • LLNL Heavy Ion Accelerator Project Leader, 1992-1998; Project Coordinator, 1991-1992.
  • Other positions at LLNL, centered on laser fusion, magnetic fusion, heavy ion fusion, and other topics.
  • Associate Specialist I, Dept. of Electrical Engineering and Computer Sciences, University of CA, Berkeley, CA, 12/78-11/80 (C. K. “Ned” Birdsall, supervisor).
  • Summer Student Fellow, Brookhaven National Laboratory, Upton, NY, 1973.

Research Interests

Plasma and particle beam physics, with an emphasis on theory and simulation; fusion physics and technology, including magnetic and inertia confinement concepts; high-energy-density physics; computational dynamics; computational electromagnetics; and numerical analysis.

Honors, Awards, Scholarships

  • IEEE Nuclear and Plasma Sciences Society - Charles K. Birdsall Award for Contributions to Computational Nuclear and Plasma Sciences (2017).
  • Fellow, American Physical Society, through the Division of Computational Physics (1996), “For innovations in computer modeling of fusion plasmas, laser-plasma interactions and charged particle beams, and design of high space charge accelerator components.”
  • LLNL Physics Department Distinguished Achievement Award (1992).
  • Cornell Graduate Fellowship, September 1973-June 1975
  • National Merit Scholarship, 1969-1970
  • Southern Bell Telephone “Star” Scholarship, 1969-1970

Service

  • Past Associate Editor, Journal of Computational Physics.  
  • Member, U. S. Fusion Theory Coordinating Committee, from Nov. 1999.
  • Regular participation in community planning activities, most recently the APS-DPP-CPP.

Selected Publications

A. Friedman, B. I. Cohen, C. D. Eng, W. A. Farmer, D. P. Grote, H. W. Kruger, and D. J. Larson, “3-D simulation codes for EMP E1 formation and propagation,” Journal of Radiation Effects, Research & Engineering (JRERE) 36 No. 1, April 2018, pp. 94-105 (limited distribution refereed journal); available upon request.

A. Friedman, R. H. Cohen, D. P. Grote, S. M. Lund, W. M. Sharp, J-L. Vay, I. Haber, and R. A. Kishek, “Computational Methods in the Warp Code Framework for Kinetic Simulations of Particle Beams and Plasmas,” IEEE Trans. Plasma Science 42, no 5, 1321 (2014). http://dx.doi.org/10.1109/TPS.2014.2308546

A. Friedman, J. J. Barnard, R. H. Cohen, D. P. Grote, S. M. Lund, W. M. Sharp, A. Faltens, E. Henestroza, J.-Y. Jung, J. W. Kwan, E. P. Lee, M. A. Leitner, B. G. Logan, J.-L. Vay, W. L. Waldron, R. C. Davidson, M. Dorf, E. P. Gilson, and I. D. Kaganovich, “Beam dynamics of the Neutralized Drift Compression Experiment-II, a novel pulse-compressing ion accelerator,” Phys. Plasmas 17, 056704 (2010); http://dx.doi.org/10.1063/1.3292634  .

K. Gomberoff, J. Fajans, A. Friedman, D. Grote, J.-L. Vay, and J. S. Wurtele, “Simulations of plasma confinement in an antihydrogen trap,” Phys. Plasmas 14, 102111 (October 2007); http://dx.doi.org/10.1063/1.2778420 .

A. Friedman, J. J. Barnard, D. P. Grote, and I. Haber, “Simulation Studies of Transverse Resonance Effects in Space-Charge Dominated Beams,” Nucl. Instr. & Meth. In Phys. Research A 415, 455 (1998); http://dx.doi.org/10.1016/S0168-9002(98)00419-7  .

A. Friedman, D. P. Grote, and I. Haber, “Three-dimensional particle simulation of heavy-ion fusion beams,” Phys. Fluids B 4, 2203 (1992); http://dx.doi.org/10.1063/1.860024 .

A. Friedman, S. E. Parker, S. L. Ray, and C. K. Birdsall, “Multi-Scale Particle-in-Cell Plasma Simulation,” J. Computational Phys. 96, 54 (1991); http://dx.doi.org/10.1016/0021-9991(91)90265-M  .

A. Friedman, “A Second Order Implicit Particle Mover with Adjustable Damping,” J. Comput. Phys. 90, 292 (1990); http://dx.doi.org/10.1016/0021-9991(90)90168-Z .

A. Friedman, R. N. Sudan, and J. Denavit, “Stability of Field Reversed Ion Rings,” Phys. Fluids 29, 3317 (1986); http://dx.doi.org/10.1063/1.865848 .

A. Friedman, A. B. Langdon, and B. I. Cohen, “A Direct Method for Implicit Particle-in-Cell Simulation,” Comments on Plasma Phys. and Controlled Fusion 6, 225 (1981); available upon request.