Quantum tomography of a third-order exceptional point in a dissipative trapped ion

Hermiticity in quantum mechanics ensures the reality of energies, while parity-time symmetry offers an alternative route. Interestingly, in a three-level system, parity-time symmetry-breaking can lead to third-order exceptional points with distinctive topological properties. Experimentally implement...

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Bibliographic Details
Published in:Nature communications 2025-08, Vol.16 (1), p.7478-12, Article 7478
Main Authors: Chen, Y.-Y., Li, K., Zhang, L., Wu, Y.-K., Ma, J.-Y., Yang, H.-X., Zhang, C., Qi, B.-X., Zhou, Z.-C., Hou, P.-Y., Xu, Y., Duan, L.-M.
Format: Article
Language:English
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639/766/483/2802
639/766/483/3926
Absorption spectroscopy
Broken symmetry
Coalescence
Dissipation
Eigenvalues
Eigenvectors
Humanities and Social Sciences
Information technology
Lasers
multidisciplinary
Parity
Quantum mechanics
Quantum phenomena
Science
Science (multidisciplinary)
Spectrum analysis
Symmetry
Tomography
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