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5 results on '"Rongsheng Wang"'

1. Three-dimensional network of filamentary currents and super-thermal electrons during magnetotail magnetic reconnection

Author

Xinmin Li, Rongsheng Wang, Quanming Lu, Christopher T. Russell, San Lu, Ian J. Cohen, R. E. Ergun, and Shui Wang

Subjects
Science
Abstract

Magnetotail reconnection plays an important role in explosive energy conversion. Here, the authors show direct evidence of super-thermal electrons up to 300 keV within X-line region in Earth’s magnetotail, indicating effective electron acceleration due to turbulence.

Published
2022
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2. Towards explicit regulating-ion-transport: nanochannels with only function-elements at outer-surface

Author

Qun Ma, Yu Li, Rongsheng Wang, Hongquan Xu, Qiujiao Du, Pengcheng Gao, and Fan Xia

Subjects
Science
Abstract

Function elements are key components for nanochannel systems for artificial regulation of ion transport. Here, the authors investigate the independent role of function elements at the outer surface of nanochannel systems, without function elements at inner walls, in promoting osmotic energy conversion and biochemical sensing.

Published
2021
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3. Magnetotail reconnection onset caused by electron kinetics with a strong external driver

Author

San Lu, Rongsheng Wang, Quanming Lu, V. Angelopoulos, R. Nakamura, A. V. Artemyev, P. L. Pritchett, T. Z. Liu, X.-J. Zhang, W. Baumjohann, W. Gonzalez, A. C. Rager, R. B. Torbert, B. L. Giles, D. J. Gershman, C. T. Russell, R. J. Strangeway, Y. Qi, R. E. Ergun, P.-A. Lindqvist, J. L. Burch, and Shui Wang

Subjects
Science
Abstract

Magnetotail reconnection plays a crucial role in explosive energy conversion in geospace. Here, the authors show that magnetotail reconnection starts from electron reconnection in the presence of a strong external driver, which then develops into ion reconnection.

Published
2020
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4. Direct evidence of secondary reconnection inside filamentary currents of magnetic flux ropes during magnetic reconnection

Author

Shimou Wang, Rongsheng Wang, Quanming Lu, Huishan Fu, and Shui Wang

Subjects
Science
Abstract

Magnetic reconnection is a fundamental plasma process of magnetic energy conversion to kinetic energy. Here, the authors show direct evidence of secondary reconnection in the filamentary currents within the flux ropes indicating a significant contribution to energy conversion in the kinetic scale during turbulent reconnection.

Published
2020
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5. Magnetotail reconnection onset caused by electron kinetics with a strong external driver

Author

Robert E. Ergun, P. A. Lindqvist, Shui Wang, Terry Z. Liu, D. J. Gershman, Quanming Lu, Vassilis Angelopoulos, P. L. Pritchett, Christopher T. Russell, A. C. Rager, Barbara L. Giles, San Lu, James L. Burch, Robert J. Strangeway, Xinli Zhang, Rumi Nakamura, A. V. Artemyev, Roy B. Torbert, Wolfgang Baumjohann, Yi Qi, Walter D. Gonzalez, and Rongsheng Wang

Subjects
Physics, Multidisciplinary, 010504 meteorology & atmospheric sciences, Science, General Physics and Astronomy, General Chemistry, Electron, 01 natural sciences, General Biochemistry, Genetics and Molecular Biology, Article, Computational physics, Plasma physics, Space physics, Physics::Plasma Physics, Astronomy and astrophysics, 0103 physical sciences, Magnetospheric physics, Physics::Space Physics, Astrophysics::Solar and Stellar Astrophysics, lcsh:Q, lcsh:Science, 010303 astronomy & astrophysics, 0105 earth and related environmental sciences
Abstract

Magnetotail reconnection plays a crucial role in explosive energy conversion in geospace. Because of the lack of in-situ spacecraft observations, the onset mechanism of magnetotail reconnection, however, has been controversial for decades. The key question is whether magnetotail reconnection is externally driven to occur first on electron scales or spontaneously arising from an unstable configuration on ion scales. Here, we show, using spacecraft observations and particle-in-cell (PIC) simulations, that magnetotail reconnection starts from electron reconnection in the presence of a strong external driver. Our PIC simulations show that this electron reconnection then develops into ion reconnection. These results provide direct evidence for magnetotail reconnection onset caused by electron kinetics with a strong external driver., Magnetotail reconnection plays a crucial role in explosive energy conversion in geospace. Here, the authors show that magnetotail reconnection starts from electron reconnection in the presence of a strong external driver, which then develops into ion reconnection.

Published
2020

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