It is observed in experiments that changing the sign of the curvature of a nanowire changes the speed of domain walls dramatically. However, a satisfying explanation of the relationship between the domain speed and curvature is still lacking. Current driven domain wall motion in curved nanowire is investigated using LLG equation in general coordinates (then use it to obtain the equation for the cylindrical nanowire) and micromagnetic simulation which includes the Dzyaloshinskii-Moriya Interaction and spin orbit coupling effect.

5月7日
3:00pm - 4:00pm
地點
https://hkust.zoom.us/j/91352786522 (Passcode: 234866)
講者/表演者
Mr. Xiuqing DUAN
主辦單位
Department of Mathematics
聯絡方法
付款詳情
對象
Alumni, Faculty and staff, PG students, UG students
語言
英語
其他活動
11月6日
研討會, 演講, 講座
IAS/ School of Science Joint Lecture - Drag on a Penetrable Disk in a Superfluid
Abstract The motion of a body through a superfluid can generate phenomena distinct from a normal viscous fluid. This includes the absence of drag below a critical body speed with the shedding o...
6月16日
研討會, 演講, 講座
IAS / School of Science Joint Lecture - Shaping Tumor Cell Plasticity and Therapy Resistance in Glioblastoma
Abstract Tumor heterogeneity fueled by plasticity and genetic diversification of cancer cells is key to therapy failure of malignant glioma. The speaker's team implemented spatial and genetic p...