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报告题目:New Developments in the Study of Small Superconductors

时 间:6月10日(星期五)上午10:00

地 点:磁体准备间201会议室

摘要:Recently, small superconductors known as mesoscopic superconductors featuring a sample size much larger than the minimal size for superconductivity, but sufficiently small to allow only few vortices in the sample (corresponding to a sample size of a few micron) have attracted a lot of attention. We have recently expanded the study of small superconductors to superconducting samples with an intermediate size lying between the minimal size for superconductivity and that of traditional mesoscopic superconductors, featuring in addition a specific sample topology or an unconventional pairing symmetry. Novel physical phenomena have been observed. In this talk I will present our experimental results on ultrasmall singly and doubly connected s-wave superconductors.

报告人简介:刘荧博士是美国宾夕法尼亚州立大学物理系教授。他先后在北京大学和中科院物理研究所获得学士和硕士学位后,到美国明尼苏达大学攻读博士学位,师从于著名超导学家Allen Goldman 院士。他于1994年到宾夕法尼亚州立大学物理系任教,一直从事凝聚态物理的实验研究。他的工作主要集中在量子材料的超导电性和物理特性,如p-波超导Sr2RuO4、介观和单层超导体、石墨烯、拓扑绝缘体、过渡族金属氧化物的表面和界面以及强关联量子材料等。他目前是浙江大学和上海交通大学的访问教授,2006年获得国家自然科学基金杰出青年基金B类项目资助。2007-2010年受聘浙江大学长江讲座教授。刘博士曾于1997年获美国自然科学基金创业奖,他目前是美国物理学会会士(Fellow of APS)。

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