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Improved Confinement with Reversed Magnetic Shear in TFTR
Abstract
A new tokamak confinement regime has been observed on the Tokamak Fusion Test Reactor (TFTR) where particle and ion thermal diffusivities drop precipitously by a factor of \ensuremath{\sim}40 to the neoclassical level for the particles and to much less than the neoclassical value for the ions in the region with reversed shear. This enhanced reversed shear confinement mode allows the central electron density to rise from 0.45 \ifmmode\times\else\texttimes\fi{} ${10}^{20}$ ${\mathrm{m}}^{\ensuremath{-}3}$ to \ensuremath{\sim}1.2 \ifmmode\times\else\texttimes\fi{} ${10}^{20}$ ${\mathrm{m}}^{\ensuremath{-}3}$ with ${T}_{i}\ensuremath{\sim}24$ keV and ${T}_{e}\ensuremath{\sim}8$ keV. This regime holds promise for significantly improved tokamak performance.
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Citations
Cited by
Horton, W. (1999) · Reviews of Modern Physics · doi:10.1103/revmodphys.71.735 · Cited by 1,238
Chapter 2: Plasma confinement and transport
Physics), E. J. D. (. T., Modelling), W. A. H. (. C. D., Edge), Y. K. (. P. A., Physics), V. M. (.-C. T., Edge), T. H. O. (.-C. P. A., Modelling), A. P. (.-C. C. D., Bateman, G., Connor, J. W., (retired), J. G. C., Fujita, T., et al. (2007) · Nuclear Fusion · doi:10.1088/0029-5515/47/6/s02 · Cited by 830
Self-citationPlasma Physics and Fusion Energy
Freidberg, J. P. (2007) · Cambridge University Press eBooks · doi:10.1017/cbo9780511755705 · Cited by 531
Fundamental statistical descriptions of plasma turbulence in magnetic fields
Krommes, J. A. (2002) · Physics Reports · doi:10.1016/s0370-1573(01)00066-7 · Cited by 273
Thermodynamics, kinetics and selectivity of H 2 and D 2 on zeolite 5A below 77K
Xiong, R., Balderas Xicohténcatl, R., Zhang, L., Li, P., Yao, Y., Sang, G., Chen, C., Tang, T., Luo, D., & Hirscher, M. (2018) · Microporous and Mesoporous Materials · doi:10.1016/j.micromeso.2017.12.035 · Cited by 51
Metadata
- Authors
- Levinton, F. M., Zarnstorff, M. C., Batha, S. H., Bell, M., Bell, R. E., Budny, R. V., Bush, C., Chang, Z., Fredrickson, E., Janos, A., Manickam, J., Ramsey, A., Sabbagh, S. A., Schmidt, G. L., Synakowski, E. J., & Taylor, G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 1995-12-11
- Volume
- 75
- Issue
- 24
- Pages
- 4417-4420
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1999693269
- Cited by
- 706
- References
- 0
- FWCI
- 51.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- The paper
- Levinton, F. M., Zarnstorff, M. C., Batha, S. H., Bell, M., Bell, R. E., Budny, R. V., Bush, C., Chang, Z., Fredrickson, E., Janos, A., Manickam, J., Ramsey, A., Sabbagh, S. A., Schmidt, G. L., Synakowski, E. J., & Taylor, G. (1995). Improved Confinement with Reversed Magnetic Shear in TFTR. Physical Review Letters. https://doi.org/10.1103/physrevlett.75.4417
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