Non-Hermitian excitations in nonlinear topological lattice
| dc.contributor.author | Simonyan, Vlad | en |
| dc.contributor.author | Smirnova, Daria A. | en |
| dc.contributor.author | Gorlach, Maxim A. | en |
| dc.date.accessioned | 2025-05-23T04:21:21Z | |
| dc.date.available | 2025-05-23T04:21:21Z | |
| dc.date.issued | 2024-09-23 | en |
| dc.description.abstract | Nonlinear effects and non-Hermitian phenomena unveil additional intricate facets in topological matter physics. They can naturally intertwine to enable advanced functionalities in topolectrical circuits and photonic structures. Here, we illustrate the subtle interplay between nonlinearity and non-Hermiticity by examining the characteristics of small wave perturbations on the background of the self-induced topological edge state in the nonlinear Su-Schrieffer-Heeger model. We demonstrate that their underlying physics is captured by the non-Hermitian effective Hamiltonian, which features nonreciprocal coupling terms and entails unconventional time-dependent field localization. | en |
| dc.description.sponsorship | Theoretical models were supported by the Russian Science Foundation (Grant No. 24-72-10069). Numerical simulations were supported by Priority 2030 Federal Academic Leadership Program. M.A.G. acknowledges partial support from the Foundation for the Advancement of Theoretical Physics and Mathematics \u201CBasis.\u201D D.A.S. acknowledges support from the Australian Research Council (No. FT230100058). | en |
| dc.description.status | Peer-reviewed | en |
| dc.identifier.issn | 0003-6951 | en |
| dc.identifier.scopus | 85205916755 | en |
| dc.identifier.uri | http://www.scopus.com/inward/record.url?scp=85205916755&partnerID=8YFLogxK | en |
| dc.identifier.uri | https://hdl.handle.net/1885/733751292 | |
| dc.language.iso | en | en |
| dc.rights | Publisher Copyright: © 2024 Author(s). | en |
| dc.source | Applied Physics Letters | en |
| dc.title | Non-Hermitian excitations in nonlinear topological lattice | en |
| dc.type | Journal article | en |
| dspace.entity.type | Publication | en |
| local.contributor.affiliation | Simonyan, Vlad; St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO) | en |
| local.contributor.affiliation | Smirnova, Daria A.; Department of Fundamental & Theoretical Physics, Research School of Physics, ANU College of Science and Medicine, The Australian National University | en |
| local.contributor.affiliation | Gorlach, Maxim A.; St. Petersburg National Research University of Information Technologies, Mechanics and Optics (ITMO) | en |
| local.identifier.citationvolume | 125 | en |
| local.identifier.doi | 10.1063/5.0225879 | en |
| local.identifier.pure | 9852a00e-e20c-4717-ada3-cb9523bf4d2a | en |
| local.identifier.url | https://www.scopus.com/pages/publications/85205916755 | en |
| local.type.status | Published | en |