Dirac-like Degeneracy Points of Exceptional Surface in 4D Non-Hermitian Synthetic Space

Hui Liu

doi:10.1364/NLO.2019.NTu4A.37

Nonlinear Optics (NLO)
OSA Technical Digest (Optica Publishing Group, 2019),
paper NTu4A.37
•https://doi.org/10.1364/NLO.2019.NTu4A.37

Dirac-like Degeneracy Points of Exceptional Surface in 4D Non-Hermitian Synthetic Space

Hui Liu

Nonlinear Optics 2019

Waikoloa Beach, Hawaii United States
15–19 July 2019
ISBN: 978-1-943580-62-0

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Poster Session (NTu4A)

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H. Liu, "Dirac-like Degeneracy Points of Exceptional Surface in 4D Non-Hermitian Synthetic Space," in Nonlinear Optics (NLO), OSA Technical Digest (Optica Publishing Group, 2019), paper NTu4A.37.

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Abstract

In this work, we investigate the topological properties of Dirac-like degeneracy points of exceptional surfaces in non-Hermitian systems, which is very sensitive to the tiny environmental perturbation with PT-symmetry breaking.

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