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Article: Coriolis force induced topological order for classical mechanical vibrations
Title | Coriolis force induced topological order for classical mechanical vibrations |
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Authors | |
Keywords | crystal vibration topological order |
Issue Date | 2015 |
Citation | New Journal of Physics, 2015, v. 17, n. 7, article no. 073031 How to Cite? |
Abstract | © 2015 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. We show that topological order and vibrational edge modes can exist in a classical mechanical system consisting of a two-dimensional honeycomb lattice of masses and springs. The band structure shows the existence of Dirac cones and unconventional edge states that are similar to the vibrational modes in graphene. Interestingly, as the system is placed on a constantly rotational coordinate system, the Coriolis force resulting from the non-inertial reference frame introduces time-reversal symmetry breaking and leads to topologically nontrivial band gaps. The nontrivial topological orders are further verified by the calculation of Chern numbers for corresponding bands. |
Persistent Identifier | http://hdl.handle.net/10722/295131 |
ISSN | 2023 Impact Factor: 2.8 2023 SCImago Journal Rankings: 1.090 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Wang, Yao Ting | - |
dc.contributor.author | Luan, Pi Gang | - |
dc.contributor.author | Zhang, Shuang | - |
dc.date.accessioned | 2021-01-05T04:59:08Z | - |
dc.date.available | 2021-01-05T04:59:08Z | - |
dc.date.issued | 2015 | - |
dc.identifier.citation | New Journal of Physics, 2015, v. 17, n. 7, article no. 073031 | - |
dc.identifier.issn | 1367-2630 | - |
dc.identifier.uri | http://hdl.handle.net/10722/295131 | - |
dc.description.abstract | © 2015 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. We show that topological order and vibrational edge modes can exist in a classical mechanical system consisting of a two-dimensional honeycomb lattice of masses and springs. The band structure shows the existence of Dirac cones and unconventional edge states that are similar to the vibrational modes in graphene. Interestingly, as the system is placed on a constantly rotational coordinate system, the Coriolis force resulting from the non-inertial reference frame introduces time-reversal symmetry breaking and leads to topologically nontrivial band gaps. The nontrivial topological orders are further verified by the calculation of Chern numbers for corresponding bands. | - |
dc.language | eng | - |
dc.relation.ispartof | New Journal of Physics | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | crystal | - |
dc.subject | vibration | - |
dc.subject | topological order | - |
dc.title | Coriolis force induced topological order for classical mechanical vibrations | - |
dc.type | Article | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1088/1367-2630/17/7/073031 | - |
dc.identifier.scopus | eid_2-s2.0-84939161953 | - |
dc.identifier.volume | 17 | - |
dc.identifier.issue | 7 | - |
dc.identifier.spage | article no. 073031 | - |
dc.identifier.epage | article no. 073031 | - |
dc.identifier.isi | WOS:000359135100004 | - |
dc.identifier.issnl | 1367-2630 | - |