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20222026
most citedMeasuring topological invariants for higher-order exceptional points in quantum three-mode systems

16 citations · 70 across the 25 of their papers we have counts for

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Showing 2024Show all

7 papers · 1 filter

quant-ph2024★ 4 cited

Experimental demonstration of spontaneous symmetry breaking with emergent multi-qubit entanglement

Ri-Hua Zheng, Wen Ning, Jia-Hao Lü +8

Spontaneous symmetry breaking (SSB) is crucial to the occurrence of phase transitions. Once a phase transition occurs, a quantum system presents degenerate eigenstates that lack th…

quant-ph2024★ 3 cited

Implementation and topological characterization of Weyl exceptional rings in quantum-mechanical systems

Hao-Long Zhang, Pei-Rong Han, Xue-Jia Yu +8

Non-Hermiticity can lead to the emergence of many intriguing phenomena that are absent in Hermitian systems, enabled by exceptional topological defects, among which Weyl exceptiona…

quant-ph2024★ 10 cited

Experimental observation of spontaneous symmetry breaking in a quantum phase transition

Wen Ning, Ri-Hua Zheng, Jia-Hao Lü +3

Spontaneous symmetry breaking (SSB) plays a central role in understanding a large variety of phenomena associated with phase transitions, such as superfluid and superconductivity.…

quant-ph2024★ 4 cited

Critical quantum metrology robust against dissipation and non-adiabaticity

Jia-Hao Lü, Wen Ning, Fan Wu +6

Critical systems near quantum phase transitions were predicted to be useful for improvement of metrological precision, thanks to their ultra-sensitive response to a tiny variation…

quant-ph2024★ 2 cited

Characterization of non-Markovianity with maximal extractable qubit-reservoir entanglement

Pei-Rong Han, Fan Wu, Xin-Jie Huang +5

Understanding the dynamical behavior of a qubit in a reservoir is critical to applications in quantum technological protocols, ranging from quantum computation to quantum metrology…

quant-ph2024★ 16 cited

Measuring topological invariants for higher-order exceptional points in quantum three-mode systems

Pei-Rong Han, Wen Ning, Xin-Jie Huang +7

Owing to the presence of exceptional points (EPs), non-Hermitian (NH) systems can display intriguing topological phenomena without Hermitian analogs. However, experimental characte…

quant-ph2024★ 5 cited

Non-adiabatic holonomic quantum operations in continuous variable systems

Hao-Long Zhang, Yi-Hao Kang, Fan Wu +2

Quantum operations by utilizing the underlying geometric phases produced in physical systems are favoured due to its potential robustness. When a system in a non-degenerate eigenst…