people: Taik Soo Hahm

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	Taik Soo Hahm Office: C-Site T164 Phone: (609) 243-2611 email: thahm@pppl.gov

Dr. Hahm is a principal research physicist and a Steering Committee member in the Theory Department. He was a visiting professor in the Department of Nuclear Engineering at Seoul National University in 1993. He was also a research fellow at the University of Texas at Austin in the Institute for Fusion Studies during 1984 - 1986. He is an elected fellow of the American Physical Society since 1995. He is the first author of over 28 papers published in refereed journals. Hahm graduated with a B.S. in Physics from Seoul National University in Korea (1980). He then went on to receive an M.A. in Astrophysical Sciences (1982) and a Ph.D. in Astrophysical Sciences (1984) from Princeton University. His research interests include the development of reduced nonlinear kinetic equations in general geometry and applications to gyrokinetic simulations; the ExB flow shear suppression theory of turbulence in magnetically confined plasmas; the dynamics of turbulence driven zonal flows; and the application of self-organized-criticality (SOC) paradigm to plasma dynamics. His publications include: "Shearing Rate of Time-dependent ExB Flow," T.S. Hahm et al., Phys. Plasmas 6, 922 (1999). "Flow Shear Induced Flunctuation Suppression in Finite Aspect Ratio Shaped Tokamak Plasmas," T.S. Hahm and K.H. Burrell, Phys. Plasmas 2, 1648 (1995) "Nonlinear Saturation of Toroidal Alfen Eigenmodes via Ion Compton Scattering," T.S. Hahm and L. Chen, Phys. Rev. Lett., 74, 266 (1995) "On the Dynamics of Turbulent Transport near Marginal Stability," P.H. Diamond and T.S. Hahm, Phys. Plasmas 2, 3640 (1995) "Nonlinear Gyrokinetic Equations for Tokamaks Microturbulence," T. S. Hahm, Phys. Fluids, 31, 2670 (1988) "Forced Magnetic Reconnection," T. S. Hahm and R. M. Kulsrud, Phys. Fluids 28, 2412 (1985)

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