Effects of non-Hermitian perturbations on Weyl Hamiltonians with arbitrary topological charges

Alexander Cerjan; Meng Xiao; Luqi Yuan; Shanhui Fan

doi:10.1364/CLEO_QELS.2018.FM2Q.4

Effects of non-Hermitian perturbations on Weyl Hamiltonians with arbitrary topological charges

Alexander Cerjan
, Meng Xiao
, Luqi Yuan
, Shanhui Fan

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We provide a systematic study of non-Hermitian topologically charged systems, demonstrating that adding an arbitrary non-Hermitian perturbation transforms the Weyl points to one-dimensional exceptional contours, and can yield a topological phase transition.

Original language	English
Title of host publication	Optics InfoBase Conference Papers
Volume	Part F93-CLEO_QELS 2018
DOIs	https://doi.org/10.1364/CLEO_QELS.2018.FM2Q.4
State	Published - Jan 1 2018
Externally published	Yes

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10.1364/CLEO_QELS.2018.FM2Q.4

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title = "Effects of non-Hermitian perturbations on Weyl Hamiltonians with arbitrary topological charges",

abstract = "We provide a systematic study of non-Hermitian topologically charged systems, demonstrating that adding an arbitrary non-Hermitian perturbation transforms the Weyl points to one-dimensional exceptional contours, and can yield a topological phase transition.",

author = "Alexander Cerjan and Meng Xiao and Luqi Yuan and Shanhui Fan",

year = "2018",

month = jan,

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doi = "10.1364/CLEO\_QELS.2018.FM2Q.4",

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AU - Cerjan, Alexander

AU - Xiao, Meng

AU - Yuan, Luqi

AU - Fan, Shanhui

PY - 2018/1/1

Y1 - 2018/1/1

N2 - We provide a systematic study of non-Hermitian topologically charged systems, demonstrating that adding an arbitrary non-Hermitian perturbation transforms the Weyl points to one-dimensional exceptional contours, and can yield a topological phase transition.

AB - We provide a systematic study of non-Hermitian topologically charged systems, demonstrating that adding an arbitrary non-Hermitian perturbation transforms the Weyl points to one-dimensional exceptional contours, and can yield a topological phase transition.

UR - https://www.scopus.com/pages/publications/85048931733

U2 - 10.1364/CLEO_QELS.2018.FM2Q.4

DO - 10.1364/CLEO_QELS.2018.FM2Q.4

M3 - Conference contribution

SN - 9781943580422

VL - Part F93-CLEO_QELS 2018

BT - Optics InfoBase Conference Papers

ER -

Effects of non-Hermitian perturbations on Weyl Hamiltonians with arbitrary topological charges

Abstract

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