Research Homepage for Ping Zhu

	Research at UW-Madison: Ping Zhu

Nonlinear ballooning mode in fusion plasmas (Supported by DOE)

Synergistic coupling of ballooning-interchange and magnetic reconnection during a substorm onset (Supported by NSF)

Nonlinear ballooning instability of near-Earth magnetotail (meso scale)
Ballooning properties of near-Earth plasma sheet in a global convecting magnetosphere (global scale)

Major Publication:

P. Zhu and C. C. Hegna, Ballooning filament growth in the intermediate nonlinear regime, submitted to Phys. Plasmas (2008)
P. Zhu, D. D. Schnack, F. Ebrahimi, E. G. Zweibel, M. Suzuki, C. C. Hegna, and C. R. Sovinec, The absence of complete FLR stabilization in extended MHD, submitted to Phys. Rev. Lett. (2008)
P. Zhu, J. Raeder, K. Germaschewski, A. Bhattacharjee, and C. C. Hegna, Initiation of ballooning instability by reconnection in the near-Earth plasma sheet, submitted to Geophys. Res. Lett. (2008)
P. Zhu, C.R. Sovinec, C.C. Hegna, A. Bhattacharjee, and K. Germaschewski, Nonlinear ballooning instability in the near-Earth magnetotail: Growth, structure, and possible role in substorms, J. Geophys. Res., 112, A06222 (2007)
P. Zhu, C.C. Hegna, C.R. Sovinec, A. Bhattacharjee, and K. Germaschewski, Intermediate nonlinear regime of a line-tied g mode, Phys. Plasmas, 14, 055903 (2007)
P. Zhu, C.C. Hegna, and C.R. Sovinec, Nonlinear growth of a line-tied g mode near marginal stability, Phys. Plasmas, 13, 102307 (2006)
P. Zhu, A. Bhattacharjee, and K. Germaschewski, Intermediate nonlinear evolution of the Parker instability: Formation of convection-induced discontinuities and absence of finite-time singularities, Phys. Rev. Lett. 96, 065001, (2006)
P. Zhu, A. Bhattacharjee, and Z.W. Ma, Finite-ky ballooning instability in the near-Earth magnetotail, J. Geophys. Res., 109, A11211 (2004).
P. Zhu, A. Bhattacharjee, and Z.W. Ma, Hall MHD ballooning instability in the magnetotail, Phys. Plasmas, 10, 249 (2003).
P. Zhu, G. Bateman, A.H. Kritz, and W. Horton, Predictive transport simulations of internal transport barriers using the Multi-Mode model, Phys. Plasmas, 7, 2898 (2000).
P. Zhu, W. Horton, and H. Sugama, The radial electric field in a tokamak with reversed magnetic shear, Phys. Plasmas, 6, 2503 (1999).
P. Zhu and S.T. Tsai, Effect of sheared flow on drift and Kelvin-Helmholtz instabilities in a tandem mirror, Plasma Phys. Controlled Fusion, 38, 405 (1996).

Other Publication:

K. Avinash, P. Zhu, V. Nosenko, and J. Goree, Nonlinear pulses in a two dimensional plasma crystal, Phys. Rev. E, 68, 046402 (2003).
W. Horton, B. Hu, J. Q. Dong, and P. Zhu, Turbulent electron thermal transport in tokamaks, New J. Phys., 5, Art. No. 14 (2003).
B. Hu, W. Horton, P. Zhu, and F. Porcelli, Density profile control with current ramping in a transport simulation of Ignitor, Phys. Plasmas, 10, 1015 (2003).
W. Horton, F. Porcelli, P. Zhu, A. Aydemir, Y. Kishimoto, and T. Tajima, Ignitor physics assessment and confinement projections, Nucl. Fusion, 42, 169 (2002).
G. T. Hoang, C. Bourdelle, X. Garbet, G. Giruzzi, T. Aniel, M. Ottaviani, W. Horton, P. Zhu, and R. V. Budny, Experimental determination of critical threshold in electron transport on Tore Supra, Phys. Rev. Lett., 87, 125001 (2001).
G. M. Staebler, R. E. Waltz, J. E. Kinsey, G. Bateman, A. H. Kritz, T. Onjun, A. Pankin, P. Zhu, and W. Horton, Drift wave based modeling of poloidal spin-up precursor and stepwise expansion of transport barriers, Nucl. Fusion, 41, 891 (2001).
W. Horton and P. Zhu, Transport barrier dynamics, Phys. Plasmas, 7, 4534 (2000).
W. Horton, P. Zhu, G. T. Hoang, T. Aniel, M. Ottaviani, and X. Garbet, Electron transport in Tore Supra with fast wave electron heating, Phys. Plasmas, 7, 1494 (2000).
J. M. Kwon, W. Horton, P. Zhu, P. J. Morrison, H. B. Park, and D. I. Choi, Global drift wave map test particle simulations, Phys. Plasmas, 7, 1169 (2000).
M. Sun, P. Zhu, and S. Z. Yang, A model of plasma source ion implantation for inner surface modification, J. Phys. D: Appl. Phys., 29, 274 (1996).

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Established Sat, Dec 9, 2006.	CAE Homepage

This page was last modified on Saturday, 28-Jun-2008 23:16:40 CDT	Email me at pzhu@wisc.edu