Samuel A. Cohen

Lecturer with the rank of Professor, Astrophysical Sciences Department, Princeton University

Director, Program in Plasma Physics and Technology, Princeton University

Principal Investigator, Magnetic Nozzle and FRC Experiments, Plasma Science and Technology Department, PPPL

Princeton Plasma Physics Laboratory
P.O. Box 451 (MS-17, Room L240)
Princeton, NJ 08543-0541

Phone: 609.243.3185


Ph.D., Massachusetts Institute of Technology, 1973

Research Interests

  • Magnetic fusion

  • Field-reversed configuration

  • Dynamic stabilization

  • Advanced (aneutronic) fuels for fusion

  • Plasma thrusters for space propulsion

  • Plasma recombination

  • Education

  • Nonlinear dynamics of charged particles in FRCs

Research Projects

Selected Publications

  1. On Collisionless Ion and Electron Populations in the Magnetic Nozzle Experiment (MNX), Samuel A. Cohen, Xuan Sun, Nathaniel M. Ferraro, Earl E. Scime, Mahmood Miah, Sy Stange, Nicholas Siefert, and Robert F. Boivin, IEEE Trans. on Plasma Sci. 34:3 (June 2006) 792-803. (Paper is a 1.3 MB PDF file.)

  2. Onset and Saturation of Ion Heating by Odd-parity Rotating Magnetic Fields in a Field-reversed Configuration, A.S. Landsman, S.A. Cohen, and A.H. Glasser, Phys. Rev. Lett. 96:1 (13 January 2006) Article No. 015002. (Paper is a 196 KB PDF file.)

  3. On-axis Parallel Ion Speeds near Mechanical and Magnetic Apertures in a Helicon Plasma Device, Xuan Sun, S.A. Cohen, Earl E. Scime, and Mahmood Miah, Phys. Plasmas 12:10 (October 2005) Article No. 103509. (Paper is a 308 KB PDF file.)

  4. Regular and Stochastic Orbits of Ions in a Highly Prolate Field-reversed Configuration, A.S. Landsman, S.A. Cohen, and A.H. Glasser, Phys. Plasmas 11:3 (March 2004) 947-957 (Paper is a 444 KB PDF file.)

  5. Measurement of Asymmetric Optical Pumping of Ions Accelerating in a Magnetic-Field Gradient, Xuan Sun, Earl Scime, Mahmood Miah, Samuel Cohen, and Frederick Skiff, Phys. Rev. Lett. 93:23 (3 December 2004) Article No. 235002. (Paper is a 144 KB PDF file.)

  6. Resonance and Chaotic Trajectories in Magnetic Field Reversed Configuration, A.S. Landsman, S.A. Cohen, M. Edelman, G.M. Zaslavsky, "Communications in Nonlinear Science and Numerial Simulation 10:6 (September 2005) 617-642. (Paper is a 600 KB PDF file.)

  7. Ion Acceleration in Plasmas Emerging from a Helicon-heated Magnetic-mirror Device, S.A. Cohen, N.S. Siefert, S. Stange, R.F. Boivin, E.E. Scime, and F.M Levinton, Phys. Plasmas 10:6 (June 2003) 2593-2598. (Paper is a 244 KB PDF file.)

  8. Ion and Electron Acceleration in the Field-reversed Configuration with an Odd-parity Rotating Magnetic Field, A.H. Glasser and S.A. Cohen, Phys. Plasmas 9:5 (May 2002) 2093-2102. (Paper is a 248 KB PDF file.)

  9. Ion Heating in the Field-Reversed Configuration by Rotating Magnetic Fields near the Ion-Cyclotron Resonance, Samuel A. Cohen and Alan H. Glasser, Phys. Rev. Lett. 85:24 (11 December 2000) 5114-5117. (Paper is a 220 KB PDF file.)

  10. Maintaining the Closed Magnetic-field-line Topology of a Field-reversed Configuration with the Addition of Static Transverse Magnetic Fields, S.A. Cohen and R.D. Milroy, Phys. Plasmas 7:6 (June 2000) 2539-2545. (Paper is a 172 KB PDF file.)

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Professor Samuel A. Cohen
Princeton Plasma Physics Laboratory
P.O. Box 451 (Mail Stop 17)
Princeton, NJ 08543-0451

PPPL is funded by the USDOE Office of Science
and is managed by Princeton University.

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