The Implementation of Magnetic Islands in Gyrokinetic Toroidal Code

JIANG Peng (江澎); LIN Zhihong (林志宏); Ihor HOLOD; XIAO Chijie (肖池阶)

doi:10.1088/1009-0630/18/2/05

Plasma Science and Technology > 2016 > 18(2): 126-130. > DOI: 10.1088/1009-0630/18/2/05

JIANG Peng (江澎), LIN Zhihong (林志宏), Ihor HOLOD, XIAO Chijie (肖池阶). The Implementation of Magnetic Islands in Gyrokinetic Toroidal Code[J]. Plasma Science and Technology, 2016, 18(2): 126-130. DOI: 10.1088/1009-0630/18/2/05

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The Implementation of Magnetic Islands in Gyrokinetic Toroidal Code

1Fusion Simulation Center and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China 2Department of Physics and Astronomy, University of California, Irvine, California 92697, USA

Funds: supported by National Special Research Program of China for ITER (Nos. 2013GB111000 and 2014GB107004), China Scholarship Council (No. 2011601098), U.S. DOE Grants DE-SC0010416 and DE-FG02-07ER54916

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Received Date: April 19, 2015

Graphical Abstract

Abstract

Abstract

The implementation of magnetic islands in gyrokinetic simulation has been verified in the gyrokinetic toroidal code (GTC). The ion and electron density profiles become partially flattened inside the islands. The density profile at the low fleld side is less flattened than that at the high field side due to toroidally trapped particles in the low field side, which do not move along the perturbed magnetic field lines. When the fraction of trapped particles decreases, the density profile at the low field becomes more flattened.
- magnetic islands,
- toroidal plasma confinement,
- plasma gyrokinetics,
- magnetic fields

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References

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