转发:Yang Jiao 教授学术报告通知(2023-27)

发布者:李君钰发布时间:2023-06-13浏览次数:10

报告题目:Disordered Hyperuniformity: ANovel State of Matter

报 告 人:Yang Jiao 教授

报告时间:2023年6月14日(周三) 10:00-11:00

报告地点:河海大学(江宁校区)乐学楼1116

主办单位:力学与材料学院固体力学研究所

                民盟河海大学委员会

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报告简介:

Disordered hyperuniformity (DHU) is a recently proposed new state of matter, which has been observed in a variety of classical and quantum many-body systems. DHU systems lack the traditional long-range translational and orientational order like liquids and glasses, yet they structurally behave like a crystal on large-length scales by. This “glass-crystal” duality endows DHU materials with many unique physical properties such as large complete isotropic photonic and phononic band gaps and robustness to defects. In this talk, we will discuss a few exotic examples of DHU systems and their emergent novel properties. We show that each of the aforementioned DHU system is in an effective “critical” state, which endow them with a unique form of “optimality”. We make an attempt to devise a theory combining topological transformation and inherent structures to rationale the apparent universality of DHU states, and conclude with several open questions, including the generalization of classical theory of DHU to quantum systems.

报告人简介:

    Dr. Yang Jiao is currently a Professor of Materials Science and Engineering and Dept. of Physics at Arizona State University. He obtained his B.S. from Peking University in 2005 and Ph.D. from Princeton University in 2010. The main focus of Dr. Jiao's research is to understand the fundamental physics of “disorder” in a wide range of complex material systems, using a variety of analytical and computational techniques devised in statistical mechanics, condensed matter physics, statistical field theory, and discrete geometry. Dr. Jiao has published more than 100 research papers in top tier scientific journals including Nature, Science Advances, PNAS, Int. J. Eng. Sci., Acta Mater., PRL, JACS, Angew. Chem., etc, which have been cited over 6800 times with an h-index of 45. Dr. Jiao received many awards, including the Martin Summerfield Fellowship, Ray Grimm Prize in Computational Physics, DARPA Young Faculty Award, ACS New Investigator Award, Fulton Top 5% Faculty Award, and Professor of Impact Award. He is among the Top 2% Scientists Worldwide by Stanford University.


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