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Colloquium: Topologically protected transport in engineered mechanical systems
Reviews of Modern Physics ( IF 45.9 ) Pub Date : 2024-04-18 , DOI: 10.1103/revmodphys.96.021002 Tirth Shah , Christian Brendel , Vittorio Peano , Florian Marquardt
Reviews of Modern Physics ( IF 45.9 ) Pub Date : 2024-04-18 , DOI: 10.1103/revmodphys.96.021002 Tirth Shah , Christian Brendel , Vittorio Peano , Florian Marquardt
Mechanical vibrations are being harnessed for a variety of purposes and at many length scales, from the macroscopic world down to the nanoscale. The considerable design freedom in mechanical structures allows one to engineer new functionalities. In recent years, this has been exploited to generate setups that offer topologically protected transport of vibrational waves (topological phonon transport), both in the solid state and in fluids. Borrowing concepts from electronic physics and being cross fertilized by concurrent studies for cold atoms and electromagnetic waves, this field of topological transport in engineered mechanical systems offers a rich variety of phenomena and platforms. In this Colloquium, a unifying overview of the various ideas employed in this area is provided, different approaches and experimental implementations are summarized, and the challenges as well as the prospects are commented upon.
中文翻译:
专题讨论会:工程机械系统中的拓扑保护输运
机械振动被用于各种目的和许多长度尺度,从宏观世界到纳米尺度。机械结构具有相当大的设计自由度,可以设计新功能。近年来,这已被用于生成在固态和流体中提供拓扑保护振动波传输(拓扑声子传输)的装置。借鉴电子物理学的概念,并通过同时进行的冷原子和电磁波研究进行交叉融合,工程机械系统中的这个拓扑传输领域提供了丰富多样的现象和平台。在本次研讨会中,对该领域采用的各种想法进行了统一概述,总结了不同的方法和实验实施,并对挑战和前景进行了评论。
更新日期:2024-04-18
中文翻译:
专题讨论会:工程机械系统中的拓扑保护输运
机械振动被用于各种目的和许多长度尺度,从宏观世界到纳米尺度。机械结构具有相当大的设计自由度,可以设计新功能。近年来,这已被用于生成在固态和流体中提供拓扑保护振动波传输(拓扑声子传输)的装置。借鉴电子物理学的概念,并通过同时进行的冷原子和电磁波研究进行交叉融合,工程机械系统中的这个拓扑传输领域提供了丰富多样的现象和平台。在本次研讨会中,对该领域采用的各种想法进行了统一概述,总结了不同的方法和实验实施,并对挑战和前景进行了评论。