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dc.contributor.authorChen, Penghuaen
dc.contributor.authorChong, Yi Dongen
dc.identifier.citationChen, P., & Chong, Y. D. (2017). Pseudo-Hermitian Hamiltonians generating waveguide mode evolution. Physical Review A, 95(6), 062113-.en
dc.description.abstractWe study the properties of Hamiltonians defined as the generators of transfer matrices in quasi-one-dimensional waveguides. For single- or multimode waveguides obeying flux conservation and time-reversal invariance, the Hamiltonians defined in this way are non-Hermitian, but satisfy symmetry properties that have previously been identified in the literature as “pseudo-Hermiticity” and “anti-PT symmetry”. We show how simple one-channel and two-channel models exhibit transitions between real, imaginary, and complex eigenvalue pairs.en
dc.description.sponsorshipMOE (Min. of Education, S’pore)en
dc.format.extent7 p.en
dc.relation.ispartofseriesPhysical Review Aen
dc.rights© 2017 American Physical Society (APS). This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectGeneral Physicsen
dc.subjectAtomic, Molecular and Opticalen
dc.titlePseudo-Hermitian Hamiltonians generating waveguide mode evolutionen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Physical and Mathematical Sciencesen
dc.contributor.researchCentre for Disruptive Photonic Technologies (CDPT)en
dc.description.versionPublished versionen
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