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Title: Topological water wave states in a one-dimensional structure
Authors: Yang, Zhaoju
Gao, Fei
Zhang, Baile
Keywords: Fluid Dynamics
Other photonics
Issue Date: 2016
Source: Yang, Z., Gao, F., & Zhang, B. (2016). Topological water wave states in a one-dimensional structure. Scientific Reports, 6, 29202-.
Series/Report no.: Scientific Reports
Abstract: Topological concepts have been introduced into electronic, photonic, and phononic systems, but have not been studied in surface-water-wave systems. Here we study a one-dimensional periodic resonant surface-water-wave system and demonstrate its topological transition. By selecting three different water depths, we can construct different types of water waves - shallow, intermediate and deep water waves. The periodic surface-water-wave system consists of an array of cylindrical water tanks connected with narrow water channels. As the width of connecting channel varies, the band diagram undergoes a topological transition which can be further characterized by Zak phase. This topological transition holds true for shallow, intermediate and deep water waves. However, the interface state at the boundary separating two topologically distinct arrays of water tanks can exhibit different bands for shallow, intermediate and deep water waves. Our work studies for the first time topological properties of water wave systems, and paves the way to potential management of water waves.
ISSN: 2045-2322
DOI: 10.1038/srep29202
Schools: School of Physical and Mathematical Sciences 
Rights: © 2016 The Author(s). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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