Experimental Liouvillian exceptional points in a quantum system without Hamiltonian singularities

Hamiltonian exceptional points (HEPs) are spectral degeneracies of non-Hermitian Hamiltonians describing classical and semiclassical open systems with losses and/or gain. However, this definition overlooks the occurrence of quantum jumps in the evolution of open quantum systems. These quantum effect...

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Veröffentlicht in:	New journal of physics 2024-12, Vol.26 (12), p.123032
Hauptverfasser:	Abo, Shilan, Tulewicz, Patrycja, Bartkiewicz, Karol, Özdemir, Şahin K, Miranowicz, Adam
Format:	Artikel
Sprache:	eng
Schlagworte:	Eigenvalues Hamiltonian exceptional points Hamiltonian functions IBMQ Liouvillian exceptional points Microprocessors Open systems quantum process tomography Quantum theory Qubits (quantum computing) Tomography
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