Publications

Publications:

Ponderomotive Acceleration by Relativistic Waves, Phys. Rev. Spec. Topics: Accel. and Beams 18, 024401 (2015) C.K. Lau, P.C. Yeh, O. Luk, J. McClenaghan, T. Ebisuzaki, and T. Tajima.
Gyrokinetic Simulation of Driftwave Instability in Field Reversed Configuration, Phys. Plasma 23, 056111 (2016) D.P. Fulton, C.K. Lau, L. Schmitz, I. Holod, Z. Lin, T. Tajima, M.W. Binderbauer, and the TAE team.
Gyrokinetic Particle Simulation of a Field Reversed Configuration, Phys. Plasma 23, 012509 (2016) D.P. Fulton, C.K. Lau, I. Holod, Z. Lin, and S. Dettrick.
High Energy Photon Emission From Wakefields, Phys. Plasma 23, 073107 (2016) D.M. Farinella, C.K. Lau, X.M. Zhang, J.K. Koga, S. Taimourzadeh, Y. Hwang, K. Abazajian, N. Canac, T. Ebisuzaki, P. Taborek, and T. Tajima.
Suppressed Ion-scale Turbulence in a Hot High-Î² Plasma, Nat. Comm. 7, 13860 (2016) L. Schmitz, D. P. Fulton, E. Ruskov, C.K. Lau, B. H. Deng, T. Tajima, M. W. Binderbauer, I. Holod, Z. Lin, H. Gota, M. Tuszewski, S. A. Dettrick, and L. C. Steinhauer.
Drift-wave Stability in the Field-reversed Configuration, Phys. Plasma 24, 082512 (2017) C.K. Lau, D. P. Fulton, I. Holod, Z. Lin, M. Binderbauer, T. Tajima, and L. Schmitz.
Wakefield in solid state plasma with the ionic lattice force, Phys. Plasma 25, 023112 (2018) S. Hakimi, T. Nguyen, D. Farinella, C.K. Lau, H. Wang, P. Taborek, F. Dollar, and T. Tajima.
Combination Doppler backscattering/cross-polarization scattering diagnostic for the C-2W field-reversed configuration, Rev. Sci. Instr. 89, 10H116 (2018) L. Schmitz, B. Deng, M. Thompson, H. Gota, C. Lau, D. P. Fulton, Z. Lin, T. Tajima, M. Binderbauer, and the TAE Team.
Global simulation of ion temperature gradient instabilities in a field-reversed configuration, Phys. Plasma 26, 042506 (2019) J. Bao, C. K. Lau, Z. Lin, H. Y. Wang, D. P. Fulton, S. Dettrick, and T. Tajima.
Cross-separatrix simulations of turbulent transport in the field-reversed configuration, Nucl. Fusion 59(6), 066018 (2019) C. K. Lau, D.P. Fulton, J. Bao, Z. Lin, T. Tajima, L. Schmitz, S. Dettrick, and the TAE Team.
Formation of hot, stable, long-lived field-reversed configuration plasmas on the C-2W device, Nucl. Fusion 59(11), 112009 (2019) H. Gota, M.W. Binderbauer, T. Tajima, S. Putvinski, M. Tuszewski, B.H. Deng, S.A. Dettrick, D.K. Gupta, S. Korepanov, R.M. Magee, T. Roche, J.A. Romero, A. Smirnov, V. Sokolov, Y. Song, L.C. Steinhauer, M.C. Thompson, E. Trask, A.D. Van Drie, X. Yang, P. Yushmanov, K. Zhai, I. Allfrey, R. Andow, E. Barraza, M. Beall, N.G. Bolte, E. Bomgardner, F. Ceccherini, A. Chirumamilla, R. Clary, T. DeHaas, J.D. Douglass, A.M. DuBois, A. Dunaevsky, D. Fallah, P. Feng, C. Finucane, D.P. Fulton, L. Galeotti, K. Galvin, E.M. Granstedt, M.E. Griswold, U. Guerrero, S. Gupta, K. Hubbard, I. Isakov, J.S. Kinley, A. Korepanov, S. Krause, C.K. Lau, H. Leinweber, J. Leuenberger, D. Lieurance, M. Madrid, D. Madura, T. Matsumoto, V. Matvienko, M. Meekins, R. Mendoza, R. Michel, Y. Mok, M. Morehouse, M. Nations, A. Necas, M. Onofri, D. Osin, A. Ottaviano, E. Parke, T.M. Schindler, J.H. Schroeder, L. Sevier,D. Sheftman, A. Sibley, M. Signorelli, R.J. Smith, M. Slepchenkov, G. Snitchler, J.B. Titus, J. Ufnal, T. Valentine, W. Waggoner, J.K. Walters, C. Weixel, M. Wollenberg, S. Ziaei, L. Schmitz, Z. Lin, A.A. Ivanov, T. Asai, E.A. Baltz J.C. Platt, and the TAE Team.
X-ray laser wakefield acceleration in a nanotube, Int. J. Mod. Phys. A Vol. 34, No. 34, 1943011 (2019) S. Hakimi, X. Zhang, C. Lau, P. Taborek, F. Dollar, and T. Tajima.

Allocation awards:

"FRC Stability and Transport", 2019-2020 ASCR Leadership Computing Challenge (ALCC) award of 90KCH (thousand node hours). As one of the main users and co-PI, I will be updating our turbulence simulation code for GPU acceleration and running simulations split across NERSC Cori, ORNL Summit, and ALCF Theta (which is MIC architecture and not GPU based).
"Stability and Turbulent Transport of Field-Reversed Configuration (FRC) Plasmas", DOE Mission Science Award (2020), allocation award of 8MCH (million core hours). As one of the main users and PI, I developed and ran simulations on NERSC Cori.
"Stability Kinetic Simulation of Field-Reversed Configuration (FRC) Stability and Transport", INCITE program by the U.S. DOE Office of Science (2019), allocation award of 48MCH (million core hours) [=0.75MNH (million node hours)]. As one of the main users, I developed and ran simulations on ALCF Theta. In addition, I assisted in the quarterly progress reports and media activities (including interviews with corresponding articles).
"Stability and Turbulent Transport of Field-Reversed Configuration (FRC) Plasmas", DOE Mission Science Award (2019), allocation award of 8MCH (million core hours). As one of the main users and PI, I developed and ran simulations on NERSC Cori.
"Stability Kinetic Simulation of Field-Reversed Configuration (FRC) Stability and Transport", INCITE program by the U.S. DOE Office of Science (2018), allocation award of 31MCH (million core hours). As one of the main users, I developed and ran simulations on ALCF Theta. In addition, I assisted in the quarterly progress reports, project renewal application, and media activities (including interviews with corresponding articles).

Manuscripts in preparation:

Electrostatic formulation of global cross-separatrix particle simulation in field-reversed configuration geometry C.K. Lau et al (submitted for review).

Talks:

Computing Challenges in Kinetic Modeling of FRC Stability and Transport C. K. Lau, F. Cecchirini, S. Dettrick. Mini-conference: Building the Bridge to Exascale: Applications and Opportunities for Plasma Physics at APS DPP 2019, Ft. Lauderdale, Florida on October 2019
Turbulence Simulation Update C.K. Lau, J. Bao, D. Fulton, Z. Lin, T. Tajima, L. Schmitz. Science Advisory Board Meeting at Tri Alpha Energy, Foothill Ranch, California on Aug 2018
Cross-Separatrix Simulations of Turbulent Transport in the Field-Reversed Configuration C.K. Lau, D. Fulton, J. Bao, Z. Lin, T. Tajima, L. Schmitz. Transport Task Force at San Diego, California on May 2018
Theory and Transport Simulation Update C.K. Lau, J. Bao, D. Fulton, Z. Lin, T. Tajima, L. Schmitz, and the theory group. Science Advisory Board Meeting at Tri Alpha Energy, Foothill Ranch, California on Apr 2018
Electrostatic Turbulence in the Field-Reversed Configuration C.K. Lau, D. Fulton, J. Bao, Z. Lin, T. Tajima, L. Schmitz. Science Advisory Board Meeting at Tri Alpha Energy, Foothill Ranch, California on Aug 2017
Linear and Non-linear Electrostatic Turbulence C.K. Lau, D. Fulton, J. Bao, Z. Lin, T. Tajima, L. Schmitz. FRC Transport Workshop at Tri Alpha Energy, Foothill Ranch, California on May 2017
Electrostatic Driftwaves in the Field-Reversed Configuration: destabilized in the scrape-off layer, robustly stabilized in the core C.K. Lau, D. Fulton, J. Bao, I. Holod, Z. Lin, M. Binderbauer, T. Tajima, L. Schmitz. US-Japan Workshop on Compact Toroid at Irvine, California on Aug 2016
Field-Reversed Configuration: understanding turbulence in an unconventional approach to fusion energy C.K. Lau, D. Fulton, I. Holod, Z. Lin, M. Binderbauer, T. Tajima, L. Schmitz. AGS Symposium at Irvine, California on Apr 2016

Conference posters:

.. too lazy and too many to add for now.

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