Winding around non-Hermitian singularities

A general description of observable effects induced by non-Hermitian singularities is complex. Here, Zhong et al. develop such a formalism, showing that loops around the same exceptional point starting from the same point in the same direction do not need to have the same outcome.

Bibliographic Details
Main Authors: Qi Zhong, Mercedeh Khajavikhan, Demetrios N. Christodoulides, Ramy El-Ganainy
Format: Article
Language:English
Published: Nature Publishing Group 2018-11-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-018-07105-0