Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/83036
Title: Pseudo-Hermitian Hamiltonians generating waveguide mode evolution
Authors: Chen, Penghua
Chong, Yi Dong
Keywords: General Physics
Atomic, Molecular and Optical
Issue Date: 2017
Source: Chen, P., & Chong, Y. D. (2017). Pseudo-Hermitian Hamiltonians generating waveguide mode evolution. Physical Review A, 95(6), 062113-.
Series/Report no.: Physical Review A
Abstract: We 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.
URI: https://hdl.handle.net/10356/83036
http://hdl.handle.net/10220/45040
ISSN: 2469-9926
DOI: 10.1103/PhysRevA.95.062113
Schools: School of Physical and Mathematical Sciences 
Research Centres: Centre for Disruptive Photonic Technologies (CDPT) 
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: [http://dx.doi.org/10.1103/PhysRevA.95.062113]. 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.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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