Selected presentations (talks, posters, and white papers) by Greg Hammett et.al.

Plasma Turbulence

Or you can instead see Published papers on gyrokinetic and gyrofluid turbulence simulations, etc.

Review talk: "Gyrokinetic Theory and Simulations of Experiments" (pdf or powerpoint), G. W. Hammett, review talk 2007 APS Division of Plasma Physics Annual Meeting, Orlando, Nov. 12-16.

Other talks:


2016

"Recent Advances towards a Lithium Vapor Box Divertor", R.J. Goldston, A. Hakim, G.W. Hammett, M.A. Jaworski, J. Schwartz, 22cd PSI 2016, the 22cd Int. Conf. on Plasma Surface Interactions in Controlled Fusion Devices (Rome, May 30 - June 3, 2016).

"Kinetic Studies of Magnetized Plasma Sheaths and Progress on a Continuum Gyrokinetic Code for Fusion Edge Simulations", A. Hakim, E. L. Shi, B. Srinivasan, I.G. Abel, P. Cagas, G.W. Hammett, T. Stoltzfus-Dueck, 22cd PSI 2016, the 22cd Int. Conf. on Plasma Surface Interactions in Controlled Fusion Devices (Rome, May 30 - June 3, 2016).

"Plasma Turbulence in Magnetic Fusion: What Is Needed to Predict and Reduce It?", alumni talk at "Solved and Unsolved Problems in Plasma Physics: A symposium in honor of Nathaniel J. Fisch" (March 28-30, 2016, Princeton). (Full Program) (ppt).

2015

"Intro to Turbulence and Transport in Plasmas", G. W. Hammett, 2015 Summer SULI Introductory Course in Plasma Physics, PPPL, June 2015. Video. (local pdf, most of the ppt.)

"Overall Motivation for Fusion Integrated Simulations: Developing Improved Fusion Power Plants", G. W. Hammett, white paper submitted to the DOE Workshop on Integrated Simulations for Magnetic Fusion Energy Sciences (2015). (local copy).

"Progress and Challenges in Plasma Boundary Simulations: Opportunities for Improved Algorithms", A. H. Hakim, G. W. Hammett, and F. Jenko, white paper submitted to the DOE Workshop on Integrated Simulations for Magnetic Fusion Energy Sciences (2015). (local copy).

"A Modular Approach to First-Principles Whole-Device Integrated Simulations", G. W. Hammett, white paper submitted to the DOE Workshop on Integrated Simulations for Magnetic Fusion Energy Sciences (2015). (local copy).

2014

"Discontinuous Galerkin Algorithms for Edge Gyrokinetics", G. W. Hammett, Ammar Hakim, Eric Shi, Ian Abel, Tim Stoltzfus-Dueck, JIFT 2014 Workshop, Progress in kinetic plasma simulations" (US-Japan Fusion Research Collaboration workshop), New Orleans, Oct. 31-Nov. 1, 2014.

"Discussion of Gyrokinetic Momentum Ordering Issues", Greg Hammett, joint discussion/seminar co-presented with John Krommes, PPPL, Sept. 9, 2014. Summarized the "Report of the Study Group GK2 on Momentum Transport in Gyrokinetics", J. A. Krommes and G.W. Hammett, PPPL-4945, October, 2013.

"Introduction to Gyrokinetic Theory & Simulations", G. W. Hammett, 7th ITER International School, "High Performance Compupting in Fusion Science", Aix-en-Provence, Aug. 25-29, 2014. Includes my handwritten notes on "The Traditional Multiscale Asymptotic Derivation of Gyrokinetics", and on a derivation of the ITG growth rate and threshold (in a simple limit) starting from the gyrokinetic equation.

"Kinetic Effects on the MRI, and Rotation in Tokamaks", G. W. Hammett, From the MRI to the Sun: a conference to celebrate the 60th birthday of Steven Balbus, Chamonix, France, 14-18 July 2014. (ppt) (alternate title in program: "Kinetic effects and sheared rotation in accretion flows and fusion devices")

"An Advanced Computing Initiative To Study Methods of Improving Fusion", G. W. Hammett, with input from C.S. Chang, S. Kaye, A. H. Hakim, A. Pletzer, J. Cary, a white paper submitted to the FESAC Strategic Planning Panel (2014). (local copy).

"Advanced Computing Initiative to Study Methods of Improving Fusion", G.W. Hammett, FESAC Strategic Planning Panel, Gaithersburg, MD, July 8-10, 2014. (Other presentations at The FIRE Place.)

"Intro to Tokamak Turbulence", G. W. Hammett, One-Week Summer Course in Plasma Physics, for the NUF/SULI National Undergraduate Fellowship Program in Plasma Physics and Fusion Energy Sciences (NUF), PPPL, June 2014. ppt.

2013

"Spitzer's 100th: Founding PPPL and Pioneering Work in Fusion Energy", G. W. Hammett and R. M. Kulsrud, PPPL Colloquium, Dec. 4, 2013. Video available, including a video of Kulsrud's longer talk the previous week. (pdf), powerpoint). Kulsrud's slides: "Early Days at Project Matterhorn with Lyman".

"Spitzer's Pioneering Fusion Work and the Search for Improved Confinement", G. W. Hammett, 100th Birthday Celebration for Lyman Spitzer, Peyton Hall, Princeton, October 19-20, 2013. (keynote, powerpoint)

"An Energy-Conserving Formulation of Maxwellian-Weighted Basis Functions for a Discontinuous Galerkin Kinetic Code", Greg Hammett, Ammar Hakim, Eric Shi, APS-DPP Meeting, Denver, Nov. 11, 2013.

"Thoughts about Ways to Improve Confinement for Fusion", G. W. Hammett, UK Fusion Theory Meeting, Culham Centre for Fusion Energy, May 2, 2013 (given while on sabbatical at Merton College, Oxford).

"Introduction to simulations and bad-curvature-driven instabilities in magnetic confinement fusion", G. W. Hammett, Stability, Energetics, and Turbulent Transport in Astrophysical, Fusion, and Solar Plasmas: Unifying Theoretical and Computational Tools, Princeton Center for Theoretical Science, 8-12 April 2013.

2012

Presentations on Discontinuous Galerkin Algorithms at the 2012 APS Division of Plasma Physics Meeting:

"Simulating the Effects of Stellarator Geometry on Gyrokinetic Instabilities with the GS2 Code", J.A. Baumgaertel, W. Guttenfelder, G.W. Hammett, D.R. Mikkelsen, P. Xanthopoulos, J. Geiger, M. Nunami, W. Dorland, E. Belli APS-DPP 2012, Providence, RI, Oct. 29-Nov. 2 (2012).

"Gyrokinetic studies of the outer core region in DIII-D and ASDEX Upgrade discharges", Tobias Goerler, Daniel Told, Anne White, Clemente Angioni, Emiliano Fable, Greg Hammett, Frank Jenko, Eleonora Viezzer, APS-DPP 2012, Providence, RI, Oct. 29-Nov. 2 (2012).

"Nonlinear gyrokinetic simulations of intrinsic rotation in up-down asymmetric tokamaks", Justin Ball (MIT), Michael Barnes, Felix Parra, William Dorland, Greg Hammett, Steve Cowley, APS-DPP 2012, Providence, RI, Oct. 29-Nov. 2 (2012).

"New predictive capabilities in PTRANSP with PTSOLVER", Xingqiu Yuan, Steve Jardin, Robert Budny, Gary Staebler, Greg Hammett, APS-DPP 2012, Providence, RI, Oct. 29-Nov. 2 (2012).

"Introduction To Gyrokinetic Theory of Plasma turbulence, With Applications to Stellarators", G. W. Hammett, J. A. Baumgaertel, York Plasma Institute, University of York, UK, Sept. 10, 2012.

"Continuum Gyrokinetic Simulations of Turbulence in Magnetized Plasmas", G. W. Hammett, UK Computational Plasma Physics Conference, Brighton UK, Sept. 5-7, 2012.

"Ideas on Research Areas for Gyrokinetics, and GS2 Studies of Stellarators", G.W. Hammett, Gyrokinetic Theory Working Group Meeting, Ciemat, Madrid, June 18-29, 2012.

"Introduction to Computational Plasma Physics", G. W. Hammett, One-Week Summer Course in Plasma Physics, for the NUF/SULI National Undergraduate Fellowship Program in Plasma Physics and Fusion Energy Sciences, PPPL, June 2012.

"Simulating the Effects of Stellarator Geometry on Gyrokinetic Drift-wave Turbulence", J. A. Baumgaertal, Princeton University thesis defense presentation, May 23, 2012. (See also the full dissertation.)

"Advection Algorithms, Anisotropic Diffusion, and Symplectic Iteration", G. W. Hammett, Workshop on "Computational Challenges in Magnetized Plasma", Institute for Pure and Applied Mathematics, UCLA, April 16-20, 2012.

"Gyrokinetic Studies of Turbulence Reduction with Reverse Shear ETG Transport Barriers or Lithium Walls", G. W. Hammett, J. L. Peterson, E. M. Granstedt, R. Bell, W. Guttenfelder, S. Kaye, B. LeBlanc, D.R. Mikkelsen, D.R. Smith, H.Y. yuh, J. Candy, 2012 Sherwood Fusion Theory Meeting, jointly with the APS Spring meeting, Atlanta, March 31 - April 3, 2012.

"Linear gyrokinetic studies in NCSX, W7-AS, and W7-X stellarators using GS2", J.A. Baumgaertel, W. Guttenfelder, G.W. Hammett, D.R. Mikkelsen, P. Xanthopoulos, J. Geiger, W. Dorland, E. Belli, 2012 Sherwood Fusion Theory Meeting, part of the APS Spring meeting, Atlanta, April, 2012.

"Assorted Thoughts on Possible Gyrokinetic Research Topics", G. W. Hammett, part of a vorspiel for the Gyrokinetics for ITER Working Group Meeting, Wolfgang Pauli Institute, Vienna, 19-30 March, 2012.

2011

J. L. Peterson, "Suppressing Electron Turbulence and Triggering Internal Transport Barriers with Reversed Magnetic Shear in the National Spherical Torus Experiment", APS-DPP 2011 invited talk.

W. Guttenfelder, "Simulation of microtearing turbulence in NTSX and scaling with collisionality", APS-DPP 2011 invited talk.

G. W. Hammett, "Assorted thoughts on ETG transport scalings, algorithms for transport-turbulence coupling, & momentum ordering issues", UK Fusion Theory Meeting, Culham, UK, Aug. 18, 2011.

"Nonlinear Gyrokinetic Simulations of Electron Internal Transport Barriers in the National Spherical Torus Experiment", J. Luc Peterson, G. W. Hammett, D. Mikkelsen, S. Kaye, W. Guttenfelder, E. Mazzucato, R. Bell, B. LeBlanc and the NSTX Research Team, H. Yuh, D. Smith, J. Candy, R.E. Waltz, EU-US Transport Task Force Meeting, San Diego, April 6, 2011. Video of GYRO ETG simulation for NSTX.

"Transport Predictions for Density-Gradient-Dominated Regimes", Erik M. Granstedt, G. W. Hammett, EU-US Transport Task Force Meeting, San Diego, April 6, 2011.

"Upgrades of GS2 for stellarators and initial gyrokinetic results", J. Baumgaertel, w/ G. W. Hammett, D. R. Mikkelsen, et al. Fusion Theory Working Group Meeting, Wolfgang Pauli Institute, Vienna, April 3-17, 2011.

2010

"Nonlinear Gyrokinetic Turbulence Simulations of the NSTX Spherical Torus", J. Luc Peterson, G. W. Hammett, D. Mikkelsen, S. Kaye, E. Mazzucato, R. Bell, B. LeBlanc and the NSTX Research Team, H. Yuh, D. Smith, J. Candy, R.E. Waltz, E. A. Belli, G.M. Staebler, J. Kinsey, 52cd APS DPP Meeting, Nov. 8, 2010.

"Linear gyrokinetic studies in W7-AS and W7-X stellarators with the GS2 code", J. A. Baumgaertel, W. Guttenfelder, G. W. Hammett, D. R. Mikkelsen, P. Xanthopoulos, H. Maassberg, J. Geiger, Y. Turkin, W. Dorland, and E. Belli, 52cd APS DPP Meeting, Nov. 8-12, 2010.

"Equilibrium Statistical Mechanics of Gyrokinetic Fluctuations", G. W. Hammett and Jian-Zhou Zhu, 52cd APS DPP Meeting, Nov. 8-12, 2010.

"Equilibrium Statistical Mechanics of Gyrokinetic Fluctuations", G. W. Hammett and Jian-Zhou Zhu, PPPL Theory Research and Review Seminar, Oct. 20, 2010.

"Gyrokinetic statistical absolute equilibrium and turbulence", G. W. Hammett, program on "Gyrokinetics in Laboratory and Astrophysical Plasmas", Isaac Newton Institute, Cambridge, UK, 19 July - 13 August, 2010.

"Measurements and gyrokinetic simulations of electron transport in NSTX", G. W. Hammett, workshop on "Kinetic-scale turbulence in laboratory and space plasmas: empirical constraints, fundamental concepts and unsolved problems", Isaac Newton Institute for Mathematical Sciences, Cambridge, UK, 19-23 July, 2010.

"Statistics of Truncated Gyrokinetics", G. W. Hammett, Workshop on Self-Organization in Turbulent Plasmas and Fluids, May 10-14, 2010, Max Planck Inst. for the Physics of Complex Systems, Dresden, Germany.

"A One-Eddy Simulation (empirical tokamak scalings)", G. W. Hammett, Working group meeting on Gyrokinetics for ITER, 15-26 March, 2010, Wolfgang Pauli Institute, Vienna.

"GK Statistical Equilibria", G. W. Hammett, Working group meeting on Gyrokinetics for ITER, 15-26 March, 2010, Wolfgang Pauli Institute, Vienna.

"Physics Considerations for a Tokamak Pilot Plant (II): Transport", G. W. Hammett, Pilot Plant Graduate Student Seminar, Princeton University, March 1, 2010.

2009

"Non-Ideal MHD effects on the MRI, with an example: Electron Heating in Hot Accretion Flows", G.W. Hammett, CMSO Workshop in Flow Driven Instabilities and Turbulence in High Beta Plasmas, Madison, Wisconsin, Dec. 15-17, 2009.

Presentations at the 2009 APS Division of Plasma Physics Meeting, Nov. 2-6, Atlanta:

"Thoughts on gyrokinetics and sub-grid turbulence models" G. W. Hammett, "International Workshop on Physical and mathematical challenges in light of ITER", Oct. 26-30, 2009, Centre International de Rencontres Mathematiques, Marseille.

"Electron Heating in Hot Accretion Flows", G.W. Hammett, Third Summer Workshop of the Leverhulme Trust International Network on Magnetised Turbulence in Astrophysical and Laboratory, Oxford / Culham / Imperial College London, August 2009.

"5-D Gyrokinetic Turbulence Simulations: Recent Advances & Remaining Challenges", G. W. Hammett, Plasma Physics Colloquium Columbia University, Feb. 20, 2009.

"Heat Transport in Tokamaks (I): The Bad-Curvature ITG Instability", G. W. Hammett, Center for Multiscale Plasma Dynamics & Center for Magnetic Self Organization CMPD/CMSO Winter School, UCLA, January 5-9, 2009.

"Gyrokinetic Studies of ETG Turbulence in NSTX, and Comparisons of Advection Algorithms", G. W. Hammett, J. L. Peterson, D. R. Mikkelsen, S. M. Kaye, J. Candy, R. E. Waltz, Sherwood International Fusion Theory Conference, and APS conference, Denver, May 2009.

2008

"Positivity-Preserving Algorithms for Continuum Gyrokinetic and Gyrofluid Simulations of Edge Plasma Turbulence", G. W. Hammett and J. L. Peterson, APS-DPP meeting, Dallas, November, 2008.

"Global gyrokinetic simulation of ITER Plasmas using coupled flux tubes", M. Barnes, W. Dorland, G.W. Hammett, APS-DPP meeting, Dallas, November, 2008.

"Simulations of 5-D Plasma Turbulence in Fusion Energy Devices", G. W. Hammett, PACM Colloquium ( Program in Applied and Computational Mathematics), Princeton University, Oct. 13, 2008.

"Physical Mechanisms Driving Gyrokinetic Turbulence" (pdf), (powerpoint), G. W. Hammett, Workshop on Gyrokinetic Plasma Turbulence, Wolfgang Pauli Institute, Vienna, 15-19 September, 2008.

"Comparison of (Some) Algorithms for Edge Gyrokinetics" (pdf), (powerpoint), G. W. Hammett and J. L. Peterson, Workshop on Gyrokinetic Plasma Turbulence, Wolfgang Pauli Institute, Vienna, 15-19 September, 2008.

"Introduction to Plasma Physics" (pdf), (powerpoint), G. W. Hammett, Lecture at the one week introductory summer course for the NUF National Undergraduate Fellowship Program in Plasma Physics and Fusion Engineering, Princeton Plasmas Physics Laboratory, June 9-13, 2008.

"A Symplectic Iterative Semi-Implicit Algorithm and Its Relation to Preconditioned Fully Implicit Algorithms", G. W. Hammett and N. F. Loureiro, session on Parallel Implicit Approaches in Magnetic Fusion Applications at the SIAM Conference on Parallel Processing for Scientific Computing,, Atlanta, March 12-14, 2008. (Had to cancel due to scheduling conflict. For some of the content, see Loureiro & Hammett, JCP 2008 paper.)

2007

"Status of Research on Fusion Energy and Plasma Turbulence", G. W. Hammett, University of Ottawa Physics Seminar, Nov. 29, 2007 (ppt).

"Gyrokinetic Theory and Simulations of Experiments" (pdf or powerpoint), G. W. Hammett, review talk 2007 APS Division of Plasma Physics Annual Meeting, Orlando, Nov. 12-16. abstract.

"The Magneto-Rotational Instability (MRI) beyond MHD,", or "Angular Momentum Transport in Astrophysical Accretion Flows," G.W. Hammett, Center for Magnetic Self-Organization in Laboratory and Astrophyscal Plasmas (CMSO), General Meeting, June 4-6, U. New Hampshire.

"Progress in 5-Dimensional Plasma Turbulence Simulations of Fusion Energy Devices", G.W. Hammett, invited talk, 2007 APS April Meeting, Jacksonville, Florida. abstract.

"Angular Momentum Transport in Astrophysical Accretion Flows", G.W. Hammett on behalf of Eliot Quataert and with P. Sharma and J.M. Stone. invited talk, 2007 APS April Meeting, Jacksonville, Florida. abstract.

"Advances in Understanding Plasma Turbulence and the Quest for Fusion Energy," Physics Department Seminar, Univ. of Florida, Feb. 1, 2007.

"Plasma Shaping and ExB Shear Effects on ITG Turbulence," G.W. Hammett and E.A. Belli, talk at a US-Japan workshop at UCSD, Jan. 12, 2007.

"The ITG Instability", and "Turbulence in ITER and Beyond", lectures at the Center for Multiscale Plasma Dynamics Winter School, January, UCLA. (UCLA version).

2006

"Highlights of recent work: Effects of shaping on the Dimits nonlinear shift, Implementation of equilibrium sheared flows in GS2, and Algorithm Studies", G.W. Hammett, PPPL theory microseminar, 11/16/2006.

"Implementation of Large-Scale ExB Shear Flow in the GS2 Gyrokinetic Turbulence Code", G.W. Hammett, W. Dorland, N. Loureiro, T. Tatsuno, APS-DPP Meeting, Philadelphia, Oct. 30 - Nov. 3, 2006.

"Gyrokinetic Simulations of ETG and ITG Turbulence", A.M. Dimits, W.M. Nevins, D.E. Shumaker, G.W. Hammett, T. Dannert, F. Jenko, W. Dorland, J.N. Leboeuf, T.L. Rhodes, J. Candy, C. Estrada-Mila, IAEA Fusion Energy Conference (China, 2006).

"Computational Plasma Physics: Powerful New Tools of Scientific Discovery", G.W. Hammett, Summer School Lecture for DOE NUF National Undergraduate Fellowship Program in Plasma Physics and Fusion Sciences, June, 2006.

"Continuum and PIC approaches to Gyrokinetic Simulations", G.W. Hammett, AST558: Graduate Seminar, May 8, 2006. (Dec. 13, 2007: corrections to p.5)

"Discrete Particle Noise and Its Effects on Particle-In-Cell Simulations of Plasma Turbulence", G.W. Hammett, W.M. Nevins, A.M. Dimits, D.E. Shumaker, W. Dorland, 2006 Sherwood International Fusion Theory Meeting / 2006 APS April Meeting April, 2006.

"Plasma Turbulence in Astrophysics and in the Laboratory," W. Dorland, Sherwood International Fusion Theory Meeting / APS April Meeting invited talk, April, 2006.

"Landau-Fluid Closures and Continuum Kinetic Algorithms", G.W. Hammett, ORNL workshop on closures for extended MHD, ORNL March 22-24, 2006.

2005

"A Renormalized Theory of Noise and Its Effect on Particle-In-Cell Simulations of Plasma Turbulence", G.W. Hammett, W.M. Nevins, A.M. Dimits, D.E. Shumaker, W. Dorland, Columbia University Plasma Physics Colloquium, Dec. 2, 2005.

"Turbulent Heating and Fluctuation Characteristics in Alfvenic Turbulence", W. Dorland, APS-DPP Invited Talk, Denver, October 26, 2005.

"Gyrokinetic simulations of ETG Turbulence", W.M. Nevins, APS-DPP Invited Talk, Denver, October 26, 2005.

"Discrete Particle Noise in PIC Simulations of ETG Turbulence", G.W. Hammett, W.M. Nevins, A.M. Dimits, D.E. Shumaker, W. Dorland, NYU Courant Institute of Mathematical Sciences, Magneto-Fluid Dynamics Seminar, October 3, 2005.

"Current Status of Fusion Energy Research & Related Plasma Turbulence Studies", G.W. Hammett Kavli Institute for Theoretical Physics, U.C. Santa Barbara, May 19, 2005. WebCam & Audio.

"Particle Noise-Induced Diffusion & Its Effect on ETG Simulations", G.W. Hammett, W.M. Nevins, A.M. Dimits, 2005 International Sherwood Fusion Theory Conference, Lake Tahoe, Nevada, April 11-13, 2005. Talk and poster. Errata note.

"Discrete Particle Noise in PIC Simulations of Plasma Microturbulence", W.M. Nevins, A.M. Dimits, G.W. Hammett, 2005 Transport Task Force Meeting, Napa, California, April 6-9, 2005, and 2005 International Sherwood Fusion Theory Conference, Lake Tahoe, Nevada, April 11-13, 2005. Poster.

"Discrete Particle Noise in PIC Simulations of Plasma Microturbulence", W.M. Nevins, A.M. Dimits, G.W. Hammett, 2005 Transport Task Force Meeting, Napa, California, April 6-9, 2005. Talk.

"Particle Noise-Induced Diffusion & Its Effect on ETG Simulations", Greg Hammett, W.M. Nevins, A.M. Dimits, PPPL Research Seminar, March 23, 2005.

"Challenges in Gyrokinetic Numerical Algorithms", Greg Hammett, Multiscale Processes in Fusion Plasmas, January 10-14, 2005 Inst. for Pure & Applied Math, UCLA, and the Center for Multiscale Plasma Dynamics. Describes (1) a simple limit of gyrokinetics useful for testing numerical algorithms, (2) Kotschenreuther's trick for fast implicit solutions for continuum/Eulerian gyrokinetic codes, and (3) initial search for alternative iterative methods (that may be particularly useful for extending to the higher collisionality edge region of a plasma).

"Intro Tokamak Turbulence I (overview)", Greg Hammett, Center for Multiscale Plasma Physics, Plasma Physics Winter School, at UCLA January 3-7, 2005.

2004

"Properties of Landau Fluid Models of Kinetic MHD", Greg Hammett, "Numerical Methods for Plasma Astrophysics: From Particle Kinetics to MHD", A joint Princeton-Maryland PICSciE-CSCAMM workshop, Oct. 25-27, 2004, Princeton University.

"Fun with Plasma Turbulence, From Fusion Energy to Black Holes," Greg Hammett, Miller Institute Lunch Talk, Berkeley, Oct. 19, 2004.

"Non-Local Fluid Closure Approximations to Model Long Mean-Free-Path Dynamics", Greg Hammett, Workshop on Kinetic Theory, March 29 - April 2, 2004, The Fields Institute, Toronto. (audio available) A tutorial talk on Landau-fluid equations, based in part on my 1991 APS invited talk.

"Kinetic MHD and Nonlocal Fluid Models of Long-Mean-Free Path Physics", Greg Hammett, Joint Maryland-Princeton (CSCAMM-PICSciE) Workshop on "Numerical Methods for Plasma Astrophysics: From Particle Kinetics to MHD", Maryland, March 22-25, 2004. (presentation similar to above lecture at Fields Inst.)

"Turbulence and Transport in Burning Plasmas", Greg Hammett, AAAS 2004, Seattle, Feb 13-16, 2004. ppt & turbulence movies Ackn.: Plasma Microtrubulence Project. Other talks in session "Burning Plasma Physics - The Next Frontier for Fusion Research"

2003

"Single particle motion" G. W. Hammett, lecture at the one week introductory summer course for the NUF National Undergraduate Fellowship Program in Plasma Physics and Fusion Engineering, Princeton Plasmas Physics Laboratory, June, 2003.

"Collisionless and collisional effect on MRI in accretion disks", Prateek Sharma, Greg Hammett, Eliot Quataert, Bill Dorland, APS April Meeting, Philadelphia, 7 April 2003.

"Wave-Particle Interactions in the Tail of an Alfven Cascade", William Dorland, Steven Cowley, Gregory Hammett, Eliot Quataert APS April Meeting, Philadelphia, 7 April 2003.

"Advances in Understanding Turbulence & Confinement in Fusion Energy Research", Greg Hammett, W. Dorland, C. Kessel, D. Meade. APS April Meeting, Philadelphia, 5 April 2003.

"Cross-Validation Estimates of Statistical Uncertainties in Empirical Tokamak Scalings", Greg Hammett, Bill Dorland, Mike Kotschenreuther. Transport Task Force Meeting, Madison, Wisconsin 2-5 April 2003.

2002

"Shaping Effects on Gyrokinetic Plasma Turbulence", E.A. Belli, G.W. Hammett, R.V. Budny, & W. Dorland, APS-DPP, Orlando, 2002.

"Introduction to Gyrokinetic and Fluid Simulations of Plasma Turbulence, and Opportunities for Advanced Fusion Simulations", Greg Hammett, et.al. Fusion Simulation Project Workshop, San Diego, Sept.17-18, 2002.

"Kinetic Effects on Small Scale Plasma Turbulence, and Magnetorotational instabilities in Accretion Flows", Greg Hammett, Steve Cowley, Bill Dorland, Eliot Quataert, LMS Durham Symposium: Astrophysical Fluid Mechanics, Univ. of Durham, UK, August 6, 2002.

"Euler and infinity", Greg Hammett, Emilia Solano, unpublished note (2002).

"Comments supporting FIRE Confinement & Operating Space", Greg Hammett, Dale Meade, Charles Kessel, Snowmass 2002 Fusion Summer Study, Snowmass, Colorado, 8-19 July 2002. See also Snowmass presentations.

"Thoughts on Continuum Algorithms", VIIth Easter Plasma Meeting, Turin, Italy April 3-5, 2002. (Original unrotated view)

2001

"Thoughts on Continuum Algorithms", Plasma Microturbulence Project meeting, July 25, 2001, General Atomics. (Original unrotated view)

"Speculations on the Form of Kinetic-MHD closures", Closures Workshop, July 30, 2001, Madison Wisconsin.

"Exploring Possible High Fusion Power Regimes With the IFS-PPPL Model", G.W. Hammett et.al. (presented by D. Meade) at the University Fusion Association 2cd Workshop on Burning Plasma Science, General Atomics, San Diego, May, 2001.

Pre-2001

"Exploring Possible High Fusion Power Regimes With the IFS-PPPL Model", G.W. Hammett et.al., presentation at the University Fusion Association 1st Workshop on Burning Plasma Science, Austin, Texas, December, 2000.

"The effects of non-white noise on decorrelation in Markovian statistical theories of turbulence", G.W. Hammett, 42cd Annual APS-DPP, October, 2000, Quebec City.

"Potential Methods for Improving Pedestal Temperatures and Fusion Performance", G.W. Hammett, presentation at the FIRE Physics Workshop, Princeton, May 2000.

Selections from "Aspects of Zonal Flow Dynamics ..." , G.W. Hammett, P.B. Snyder, M.A. Beer, W. Dorland, B.N. Rogers, Sherwood 2000 International Fusion Theory Conference, Spring 2000.

"Theory-Based Models of Turbulence and Anomalous Transport in Plasmas," 1999 Centennial APS talk, aimed at a general non-plasma physics audience. (posted May, 1999)

1998 APS-DPP poster

Longer list of invited talks on gyrofluid turbulence simulations up to 1996.

Papers, talks, and posters by Mike Beer et.al.

Greg Hammett (ghammett@pppl.gov)