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4시 20분부터 제1과학관 31214 e+강의실에서 간단한 다과를 제공합니다.
Title: Fantastic physics and materials, how to find them?
Speaker: 이 승 훈 박사님 (Univ. of Maryland)
Date & Time: Sept. 11. (Wed.) 2019 4:30 PM
Place: Natural Science 1, Room No. 31214
Abstract: In condensed matter physics, we all are interested in the physical properties of materials, and seek to understand physics therein. In general, we traverse a series of individual samples with systematic variation of interest (e.g., composition, defect concentration or thickness of a specific layer in layered system) on purposes, for example, 1) to see the trend of physical parameters according to the intentional variation, 2) to optimize a specific property or 3) to paint a picture of phase diagram. However, the limited number of samples sometimes renders it challenging to chase a true trend curve or to catch a subtle point, and the effect of inevitable unintentional variation across individual samples cannot be completely ruled out. In this talk, I will introduce combinatorial approach, which is a way to overcome the problems and puzzling situation mentioned above and thus accelerate the discovery of exotic physics and functional materials. I will show some example of studies with the combinatorial approach, including the observation of perfect Andreev reflection in the topological superconducting state as the manifestation of Klein paradox.
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