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Rotation-time symmetry in bosonic systems and the existence of exceptional points in the absence of [Formula: see text] symmetry

We study symmetries of open bosonic systems in the presence of laser pumping. Non-Hermitian Hamiltonians describing these systems can be parity-time ([Formula: see text] ) symmetric in special cases only. Systems exhibiting this symmetry are characterised by real-valued energy spectra and can displa...

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Detalles Bibliográficos
Autores principales:	Lange, Ewelina, Chimczak, Grzegorz, Kowalewska-Kudłaszyk, Anna, Bartkiewicz, Karol
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	Nature Publishing Group UK 2020
Materias:	Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7669907/ https://www.ncbi.nlm.nih.gov/pubmed/33199787 http://dx.doi.org/10.1038/s41598-020-76787-8

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