David Schaffner - Publications

First-Author/Co-Author Publications

Possible signatures of dissipation from time-series analysis techniques using a turbulent laboratory MHD plasma. D.A. Schaffner, M.R. Brown, and A. Rock. Physics of Plasmas 23 055709 (2016).

Multifractal and Monofractal Scaling in a Laboratory Magnetohydrodynamic Turbulence Experiment. D.A. Schaffner and M. R. Brown. The Astrophysical Journal 811 1 (2015).

The SSX MHD Wind Tunnel. M. R. Brown and D. A. Schaffner. Journal of Plasma Physics. 81 345810302 (2015).

Laboratory sources of turbulent plasma: a unique MHD plasma wind tunnel. M. R. Brown and D. A. Schaffner. Plasma Sources and Science Technology. 23 063001 (2014).

Temporal and Spatial Turbulent Spectra of MHD Plasma and an Observation of Variance Anisotropy, D.A. Schaffner, M.R. Brown and V.S. Lukin. The Astrophysical Journal 790 126 (2014).

Observation of turbulent intermittency scaling with magnetic helicity in an MHD plasma wind tunnel, D.A. Schaffner, A. Wan and M.R. Brown. Physical Review Letters 112 165001 (2014).

Turbulence analysis of an experimental flux rope plasma. D.A. Schaffner, V.S. Lukin, A. Wan, M.R. Brown. Plasma Physics Controlled Fusion 56 064003 (2014).

Turbulence and transport suppression scaling with flow shear on the Large Plasma Device. D.A. Schaffner, T.A. Carter, G.D. Rossi, D.S. Guice, J.E. Maggs, S. Vincena, and B. Friedman. Physics of Plasmas 20 055907 (2013).

Modification of Turbulent Transport with Continuous Variation of Flow Shear in the Large Plasma Device. D.A. Schaffner, T.A. Carter, G.D. Rossi, D.S. Guice, J.E. Maggs, S. Vincena and B. Friedman. Physical Review Letters 109, 135002 (2012).

Other Publications
Magnetothermodynamics: Measurements of the thermodynamic properties in a relaxed magnetohydrodynamic plasma. M. Kaur, L. J. Barbano, E. M. Suen-Lewis, J. E. Shrock, A. D. Light, D. A. Schaffner, M. B. Brown, S. Woodruff and T. Meyer. Journal of Plasma Physics 84, 905840114 (2018).

Measuring the equations of state in a relaxed magnetohydrodynamic plasma. M. Kaur, L. J. Barbano, E. M. Suen-Lewis, J. E. Shrock, A. D. Light, M. R. Brown, and D. A. Schaffner. Phys. Rev. E 97, 011202(R) (2018).

Magnetohydrodynamic Turbulence: Observation and Experiment. M.R. Brown, D.A. Schaffner, and P.J. Weck. Physics of Plasmas 22 055601 (2015).

Permutation Entropy and Statistical Complexity in SSX and the Solar Wind. P. J. Weck, D. A. Schaffner, M. R. Brown and R. T. Wicks. Phys. Rev. E 91 023101 (2015).

Nonlinear instability in simulations of Large Plasma Device turbulence. B. Friedman, T. A. Carter, M. V. Umansky, D. Schaffner, and I. Joseph. Physics of Plasmas 20 055704 (2013).

Energy dynamics in a simulation of LAPD turbulence. B. Friedman, T. A. Carter, M. V. Umansky, D. Schaffner, and B. Dudson. Physics of Plasmas 19 102307 (2012).

Sheared-flow induced confinement transition in a linear magnetized plasma. S. Zhou, W. W. Heidbrink, H. Boehmer, R. McWilliams, T. A. Carter, S. Vincena, B. Friedman, and D. Schaffner. Physics of Plasmas 19 012116 (2012).

Diamond pixel modules. D. Asner et al, The RD42 Collaboration. Nuclear Instruments and Methods in Physics Research A: Accelerators, Spectrometers, Detectors and Associated Equipment 636, Issue 1, Supplement 21, S125-S129 (2011). 

Absorption of fast waves at moderate to high ion cyclotron harmonics on DIII-D. R.I. Pinsker, M. Porkolab, W.W. Heidbrink, Y.Luo, C.C. Petty, R. Prater, M. Choi, D.A. Schaffner, F.W. Baity, E. Fredd, J.C. Hosea, R.W. Harvey, A.P. Smirnov, M. Murakami and M.A. Van Zeeland. Nuclear Fusion 46 S416-S424 (2006).