Interference of Non-Hermiticity with Hermiticity at Exceptional Points

Interference of Non-Hermiticity with Hermiticity at Exceptional Points

The recent growth in popularity of the non-Hermitian quantum Hamiltonians <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>H</mi><mo>(</mo><mi>λ</mi><mo>)</m...

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Bibliographic Details
Main Author: Miloslav Znojil
Format: Article
Language:English
Published: MDPI AG 2022-10-01
Series:Mathematics
Subjects:
non-Hermitian quantum mechanics of the closed and open systems
non-Hermitian and Hermitian components of the Hamiltonian
control of access to the exceptional point degeneracies and to the related quantum phase transitions
perturbation theory tractability of the matrix toy models exhibiting PT symmetry
Online Access:https://www.mdpi.com/2227-7390/10/20/3721

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