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Study on Electron Heat Diffusion Across Stochastic Magnetic Field Affected by Magnitude of Perturbed Magnetic Field in Tokomak

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Abstract

Electron heat diffusion across stochastic magnetic fields is studied numerically in order to find out how the magnitude of perturbed magnetic field affect the enhanced heat conductivity and its radial profile in tokomak plasma physics. For these purposes, non-local stochastic magnetic fields are chosen as research objects in our simulation work. From our numerical results, we can find that the effects of the perturbed magnetic field magnitude are dominated parameter on the enhance electron heat transport conductivity wherever the magnetic field is single island or full stochastic field. Also, a theoretical analysis is provided and compared with numerical results.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China (11047110, 11105022, 11147122 and 71102089), the Natural Science Foundation of Liaoning Province (L2010055, L2010057, 201102016), and the Fundamental Research Funds for the Central Universities (2011JC038, 2012TD018, 2012NQ069).

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  1. Department of Physics, Dalian Maritime University, Dalian, 116026, China

    Hong Gao

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  1. Hong Gao
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Correspondence to Hong Gao.

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Gao, H. Study on Electron Heat Diffusion Across Stochastic Magnetic Field Affected by Magnitude of Perturbed Magnetic Field in Tokomak. J Fusion Energ 32, 203–207 (2013). https://doi.org/10.1007/s10894-012-9551-3

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