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4 papers · 1 filter
Multiqubit tunable phase gate of one qubit simultaneously controlling qubits in a cavity
Chui-Ping Yang, Shi-Biao Zheng, Franco Nori
We propose how to realize a multiqubit tunable phase gate of one qubit simultaneously controlling qubits with four-level quantum systems in a cavity or coupled to a resonator.…
Convergence to global consensus in opinion dynamics under a nonlinear voter model
Han-Xin Yang, Wen-Xu Wang, Ying-Cheng Lai +1
We propose a nonlinear voter model to study the emergence of global consensus in opinion dynamics. In our model, agent agrees with one of binary opinions with the probability t…
Coherent quantum effects through dispersive bosonic media
Sai-Yun Ye, Zhen-Biao Yang, Shi-Biao Zheng +1
The coherent evolution of two atomic qubits mediated by a set of bosonic field modes is investigated. By assuming a specific encoding of the quantum states in the internal levels o…
Controlling Entanglement Dynamics by Choosing Appropriate Ratio between Cavity-Fiber Coupling and Atom-Cavity Coupling
C. G. Liao, Z. B. Yang, Z. H. Chen +1
The entanglement characteristics including the so-called sudden death effect between two identical two-level atoms trapped in two separate cavities connected by an optical fiber ar…