RESEARCH

Commitment to rigorous, peer-reviewed science.

A view inside the Zap reactor core with puffs of gas and bolts of electricity

We are committed to publishing high quality new work that makes a significant contribution in our ﬁeld.

Elevated Electron Temperature Coincident with Observed Fusion Reactions in a Sheared-Flow-Stabilized Z Pinch

B. Levitt, C. Goyon, J. T. Banasek, S. C. Bott-Suzuki, C. Liekhus-Schmaltz, E. T. Meier, L. A. Morton, A. Taylor, W. C. Young, B. A. Nelson, D. A. Sutherland, M. Quinley, A. D. Stepanov, J. R. Barhydt, P. Tsai, K. D. Morgan, N. van Rossum, A. C. Hossack, T. R. Weber, W. A. McGehee, P. Nguyen, A. Shah, S. Kiddy, M. Van Patten, A. E. Youmans, D. P. Higginson, H. S. McLean, G. A. Wurden, and U. Shumlak

Phys. Rev. Lett., 132:155101, 2024.

Link to full article

The Kadomtsev Pinch Revisited for Sheared-Flow-Stabilized Z-Pinch Modeling

D. W. Crews, I. A. M. Datta, E. T. Meier, U. Shumlak

IEEE Transactions on Plasma Science, 2024.

Link to full article

Progress on Multielement Spectroscopic Temperature and Impurity Studies on a High Flow Velocity Z-Pinch

A. W. Klemmer, S. Fuelling, B. S. Bauer, G. A. Wurden, A. S. Taylor, D. A. Sutherland, Aaron Hossack, U. Shumlak, B. Levitt, B. A. Nelson, M. Quinley, T. R. Weber, J. Smythe, B. Diamond, M. Parry, C. Parga

IEEE Transactions on Plasma Science, 2024.

Link to full article

Electrode durability and sheared-flow-stabilized Z-pinch fusion energy

M. C. Thompson, S. C. Simpson, C. J. Beers, J. Dadras, E. T. Meier, P. H. Stoltz

Physics of Plasmas, 30(10):100601, 2023.

Link to full article

The Zap Energy approach to commercial fusion

B. Levitt, E. T. Meier, R. Umstattd, J. R. Barhydt, I. A. M. Datta, C. Liekhus-Schmaltz; D. A. Sutherland, B. A. Nelson

Physics of Plasmas, 30(9):090603, 2023.

Link to full article

Implementation of extreme ultraviolet spectroscopy on a sheared-flow-stabilized Z pinch

A. W. Klemmer, S. Fuelling, B. S. Bauer, G. A. Wurden, A. S. Taylor, D. A. Sutherland, A. P. Shah, A. D. Stepanov, B. J. Levitt, B. A. Nelson, T. R. Weber, M. Quinley, U. Shumlak

Review of Scientific Instruments, 94:083507, 2023

Link to full article

Engineering paradigms for sheared-flow-stabilized Z-pinch fusion energy

M.C. Thompson, B. Levitt, B.A. Nelson, U. Shumlak

Fusion Science and Technology, 79(8):1051-1058, 2023.

Link to full article

Fusion gain and triple product for the sheared-flow-stabilized Z pinch

U. Shumlak, E.T. Meier, B.J. Levitt

Fusion Science and Technology, 80(1):1-16, 2024.

Link to full article

Computationally efficient high-fidelity plasma simulations by coupling multi-species kinetic and multi-fluid models on decomposed domains

I.A.M. Datta, U. Shumlak

Journal of Computational Physics, 483:112073, 2023.

Link to full article

Probing local electron temperature and density inside a sheared flow stabilized Z-pinch using portable optical Thomson scattering

J. T. Banasek, C. Goyon, S. C. Bott-Suzuki, G. F. Swadling, M. Quinley, B. Levitt, B. A. Nelson, U. Shumlak, and H. S. McLean.

Review of Scientific Instruments, 94:023508, 2023.

Link to full article

Thermonuclear neutron emission from a sheared-flow stabilized Z-pinch

J. M. Mitrani, J. A. Brown, B. L. Goldblum, T. A. Laplace, E. L. Claveau, Z. T. Draper, E. G. Forbes, R. P. Golingo, H. S. McLean, B. A. Nelson, U. Shumlak, A. Stepanov, T. R. Weber, Y. Zhang, and D. P. Higginson.

Physics of Plasmas, 28:112509, 2021.

Link to full article

Development of five-moment two-fluid Modeling for Z-pinch physics

E.T. Meier and U. Shumlak.

Physics of Plasmas, 28:092512, 2021.

Link to full article

Flow Z-pinch plasma production on the FuZE experiment

A. D. Stepanov, U. Shumlak, H. S. McLean, B. A. Nelson, E. L. Claveau, E. G. Forbes, T. R. Weber, and Y. Zhang.

Physics of Plasmas, 27(11):112503, 2020.

Link to full article

Plasma exhaust in a sheared-ﬂow-stabilized Z-pinch

E. L. Claveau, U. Shumlak, B. A. Nelson, E. G. Forbes, A. D. Stepanov, T. R. Weber, Y. Zhang, and H. S. McLean.

Physics of Plasmas, 27(9):092510, 2020.

Link to full article

Spatio-Temporal Ion Temperature and Velocity Measurements in a Z-pinch Using Fast-framing Spectroscopy

E. G. Forbes and U. Shumlak.

Review of Scientiﬁc Instruments, 91(8):083104, 2020.

Link to full article

Z-pinch fusion

U. Shumlak

Journal of Applied Physics, 127(20):200901, 2020.

Link to full article

Progress toward a compact fusion reactor using the sheared-flow-stabilized Z-pinch

E. G. Forbes, U. Shumlak, H. S. McLean, B. A. Nelson, E. L. Claveau, R. P. Golingo, D. P. Higginson, J. M. Mitrani, A. D. Stepanov, K. K. Tummel, T. R. Weber, and Y. Zhang.

Fusion Science and Technology, 75(7):599-607, 2019.

Link to full article

Measurements of temporally-and spatially-resolved neutron production in a sheared-flow stabilized Z-pinch

J. M. Mitrani, D. P. Higginson, Z. T. Draper, J. Morrell, L. A. Bernstein, E. L. Claveau, C. M. Cooper, E. G. Forbes, R. P. Golingo, B. A. Nelson, A. E. Schmidt, A. D. Stepanov, T. R. Weber, Y. Zhang, H. S. McLean, and U. Shumlak.

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 947:162764, 2019.

Link to full article

Sustained neutron production from a sheared-flow stabilized Z-pinch

Y. Zhang, U. Shumlak, B. A. Nelson, R. P. Golingo, T. R. Weber, A. D. Stepanov, E. L. Claveau, E. G. Forbes, Z. T. Draper, J. M. Mitrani, H. S. McLean, K. K. Tummel, D. P. Higginson, and C. M. Cooper.

Phys. Rev. Lett., 122:135001, Apr 2019.

Link to full article

Kinetic simulations of sheared flow stabilization in high-temperature Z-pinch plasmas

K. Tummel, D. P. Higginson, A. J. Link, A. E. W. Schmidt, D. T. Offermann, D. R. Welch, R. E. Clark, U. Shumlak, B. A. Nelson, R. P. Golingo, and H. S. McLean.

Physics of Plasmas, 26(6):062506, 2019.

Link to full article

Increasing plasma parameters using sheared flow stabilization of a Z-pinch

U. Shumlak, B. A. Nelson, E. L. Claveau, E. G. Forbes, R. P. Golingo, M. C. Hughes, R. J. Oberto, M. P. Ross, and T. R. Weber.

Physics of Plasmas, 24(5):055702, 2017.

Link to full article

The sheared-flow stabilized Z-pinch

U. Shumlak, J. Chadney, R.P. Golingo, D.J. Den Hartog, M.C. Hughes, S.D. Knecht, W. Lowrie, V.S. Lukin, B.A. Nelson, R.J. Oberto, J.L. Rohrbach, M.P. Ross & G.V. Vogman

Fusion Science and Technology, 61(1T):119-124, 2017.

Link to full article

Sheared flow stabilization experiments in the ZaP flow Z pinch

U. Shumlak, B. A. Nelson, R. P. Golingo, S. L. Jackson, and E. A. Crawford

Physics of Plasmas, 10:1683, 2003.

Link to full article

Evidence of stabilization in the Z-Pinch

U. Shumlak, R. P. Golingo, B. A. Nelson, and D. J. Den Hartog

Phys. Rev. Lett., 87:205005, Oct 2001.

Link to full article

Mitigation of the Rayleigh–Taylor instability by sheared axial flows

U. Shumlak and N. F. Roderick

Physics of Plasmas, 5(6):2384, 1998.

Link to full article

Sheared flow stabilization of the m=1 kink mode in Z pinches

U. Shumlak and C. W. Hartman

Phys. Rev. Lett., 75:3285, 1995.

Link to full article