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quant-ph2026
Rate and depth of two-axis twisting by pair exchange under the self-Kerr constraint
Qing Yu, Ying Li, Cuilu Zhai +2
In this paper, we study two bosonic modes that exchange pairs of quanta, which realize two-axis twisting exactly: within a sector of fixed particle number the exchange operator is…
quant-ph2024★ 1 cited
Single-photon triggered quantum entanglement between two qubits or at least 2000 identical qubits
Wangjun Lu, Cuilu Zhai, Hong Tao +3
This paper studies the effect of single-photon light fields on quantum entanglement between two qubits and multiple identical qubits initially in a direct state. For two qubits, we…
quant-ph2024
Information Geometry and Parameter Sensitivity of Non-Hermitian Hamiltonians
Wangjun Lu, Zhao-Hui Peng, HongTao
Information geometry is the application of differential geometry in statistics, where the Fisher-Rao metric serves as the Riemannian metric on the statistical manifold, providing a…