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quant-ph2024★ 16 cited
Crossing exceptional points in non-Hermitian quantum systems
Friederike U. J. Klauck, Matthias Heinrich, Alexander Szameit +1
Exceptional points facilitate peculiar dynamics in non-Hermitian systems. Yet, in photonics, they have mainly been studied in the classical realm. In this work, we reveal the behav…
quant-ph2019★ 166 cited
Observation of PT-symmetric quantum interference
Friederike U. J. Klauck, Lucas Teuber, Marco Ornigotti +3
Parity-Time (PT) symmetric quantum mechanics is a complex extension of conventional Hermitian quantum mechanics in which physical observables possess a real eigenvalue spectrum. Ho…