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学术报告:Wave thermalization in a disordered medium

日期: 2017-12-09     阅读次数:39

报告题目: Wave thermalization in a disordered medium

报告人:田矗舜教授, 中科院理论物理所

报告地点:致远楼413

报告时间:20171211  上午10:30

报告摘要:

Understanding the rich spatial and temporal structures in nonequilibrium thermal environments is a major subject of statistical mechanics. Because universal laws, based on an ensemble of systems,are mute on an individual system, exploring nonequilibrium statistical mechanics and the ensuing universality in individual systems has long been of fundamental interest. Here, in this talk I will show that in a single disordered medium, a universal spatial structure-the diffusive steady state-emerges from an overwhelming number of scattering eigenstates of the wave equation. Our findings suggest a new principle, dubbed "wave thermalization", namely, a propagating wave undergoing complex scattering processes can simulate nonequilibrium thermal environments, and exhibit macroscopic nonequilibrium phenomena.



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