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Article: An attractor dynamics in a non-Hermitian two-level system

TitleAn attractor dynamics in a non-Hermitian two-level system
Authors
Issue Date2021
PublisherIOP Publishing: Open Access Journals. The Journal's web site is located at http://iopscience.iop.org/journal/2399-6528
Citation
Journal of Physics Communications, 2021, v. 5 n. 10, p. article no. 105011 How to Cite?
AbstractExceptional points in non-Hermitian systems possess fascinating properties. We present an exactly solvable attractor dynamics for the first time from the two-level time-dependent non-Hermitian Hamiltonian. This allows the evolution from a pure or mixed initial state to the coalescence state by varying the imaginary parameter along a specific diabatic passage. In contrast to a chaotic attractor that is ultrasensitive to initial conditions, the designed attractor is insensitive to initial conditions. The attractor-like behavior is applicable to several adiabatic processes.
Persistent Identifierhttp://hdl.handle.net/10722/307913
ISSN
2023 Impact Factor: 1.1
2023 SCImago Journal Rankings: 0.300
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLi, C-
dc.contributor.authorWang, P-
dc.contributor.authorJin, L-
dc.contributor.authorSong, Z-
dc.date.accessioned2021-11-12T13:39:43Z-
dc.date.available2021-11-12T13:39:43Z-
dc.date.issued2021-
dc.identifier.citationJournal of Physics Communications, 2021, v. 5 n. 10, p. article no. 105011-
dc.identifier.issn2399-6528-
dc.identifier.urihttp://hdl.handle.net/10722/307913-
dc.description.abstractExceptional points in non-Hermitian systems possess fascinating properties. We present an exactly solvable attractor dynamics for the first time from the two-level time-dependent non-Hermitian Hamiltonian. This allows the evolution from a pure or mixed initial state to the coalescence state by varying the imaginary parameter along a specific diabatic passage. In contrast to a chaotic attractor that is ultrasensitive to initial conditions, the designed attractor is insensitive to initial conditions. The attractor-like behavior is applicable to several adiabatic processes.-
dc.languageeng-
dc.publisherIOP Publishing: Open Access Journals. The Journal's web site is located at http://iopscience.iop.org/journal/2399-6528-
dc.relation.ispartofJournal of Physics Communications-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleAn attractor dynamics in a non-Hermitian two-level system-
dc.typeArticle-
dc.identifier.emailLi, C: oldsmith@hku.hk-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1088/2399-6528/ac2c33-
dc.identifier.scopuseid_2-s2.0-85118323092-
dc.identifier.hkuros329782-
dc.identifier.volume5-
dc.identifier.issue10-
dc.identifier.spagearticle no. 105011-
dc.identifier.epagearticle no. 105011-
dc.identifier.isiWOS:000707209400001-
dc.publisher.placeUnited Kingdom-

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