Relative Entropy as a Measure of Difference Between Hermitian and Non-Hermitian Systems

Relative Entropy as a Measure of Difference Between Hermitian and Non-Hermitian Systems

We employ the relative entropy as a measure to quantify the difference of eigenmodes between Hermitian and non-Hermitian systems in elliptic optical microcavities. We have found that the average value of the relative entropy in the range of the collective Lamb shift is large, while that in the range...

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Bibliographic Details
Main Authors: Kabgyun Jeong, Kyu-Won Park, Jaewan Kim
Format: Article
Language:English
Published: MDPI AG 2020-07-01
Series:Entropy
Subjects:
relative entropy
non-Hermitian system
collective Lamb shift
self-energy
avoided crossing
Online Access:https://www.mdpi.com/1099-4300/22/8/809

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