The Intrinsic Exceptional Point: A Challenge in Quantum Theory

In spite of its unbroken PT symmetry, the popular imaginary cubic oscillator Hamiltonian <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mi>H</mi><mrow><mo>(</mo>...

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Bibliographic Details
Main Author: Miloslav Znojil
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Foundations
Subjects:
Online Access:https://www.mdpi.com/2673-9321/5/1/8
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