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Browsing College of Sciences and Mathematics by Author "Angelopoulos, Vassilis"

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Ion Acceleration Inside Foreshock Transients 

Liu, Terry Z.; Lu, San; Angelopoulos, Vassilis; Lin, Yu; Wang, X. Y.; 0000-0001-8003-9252 (2020-05-28)
Recent observations upstream of Earth's bow shock have revealed that foreshock transients can not only accelerate solar wind ions by reflection at their upstream boundaries but may also accelerate ions inside them. Evidence ...

Ion acceleration inside foreshock transients 

Liu, Terry Z.; Lu, San; Angelopoulos, Vassilis; Lin, Yu; Wang, Xueyi; 0000-0003-1778-4289; 0000-0001-5533-5981 (2023-06-17)
Recent observations upstream of Earth's bow shock have revealed that foreshock transients can not only accelerate solar wind ions by reflection at their upstream boundaries but may also accelerate ions inside them. Evidence ...

The ion temperature gradient: An intrinsic property of Earth's magnetotail 

Lu, San; Artemyev, A. V.; Angelopoulos, Vassilis; Lin, Yu; Wang, Xueyi; 0000-0001-8003-9252; 0000-0001-5533-5981 (2020-06-01)
Although the ion temperature gradient along (X GSM) and across (Z GSM) the Earth's magnetotail, which plays a key role in generating the cross‐tail current and establishing pressure balance with the lobes, has been extensively ...

Statistical Study of Foreshock Transients in the Midtail Foreshock 

Liu, Terry; Zhang, Hui; Wang, Chih-Ping; Angelopoulos, Vassilis; Vu, Andrew; Wang, Xueyi; Lin, Yu; 0000-0001-5346-7112; 0000-0003-1778-4289; 0000-0003-2393-6808 (2022-11-08)
In the dayside foreshock, many foreshock transients have been observed and simulated. Because of their strong dynamic pressure perturbations, foreshock transients can disturb the local bow shock, magnetosheath, magnetopause, ...