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quant-ph2021
Demonstration of entanglement and coherence in GHZ-like state when exposed to classical environments with power-law noise
Atta Ur Rahman, ZhaoXu Ji, HuanGuo Zhang
Entanglement and coherence protection are investigated using the dynamical map of three non-interacting qubits that are initially prepared as maximally entangled GHZ-like states co…
quant-ph2021
Improvement of phase sensitivity in SU(1,1) interferometer via a Kerr nonlinear
Shoukang Chang, Wei Ye, Huan Zhang +3
We propose a theoretical scheme to enhance the phase sensitivity by introducing a Kerr nonlinear phase shift into the traditional SU(1,1) interferometer with a coherent state input…