Abstract:
:Large classes of electronic, photonic, and acoustic crystals and quasi-crystals have been predicted to support topological wave-modes. Some of these modes are stabilized by certain symmetries but others occur as pure wave phenomena, hence they can be observed in many other media that support wave propagation. Surface water-waves are mechanical in nature but very different from the elastic waves, hence they can provide a new platform for studying topological wave-modes. Motivated by this perspective, we report theoretical and experimental characterizations of water-wave crystals obtained by periodic patterning of the water surface. In particular, we demonstrate the band structure of the spectra and existence of spectral gaps.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Apigo DJ,Kanwal A,Palmieri J,Dobiszewski KF,Farrow RC,Thomas GA,Prodan EV,Prodan Cdoi
10.1038/s41598-018-21462-2subject
Has Abstractpub_date
2018-02-20 00:00:00pages
3324issue
1issn
2045-2322pii
10.1038/s41598-018-21462-2journal_volume
8pub_type
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