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7 papers · 2 filters
Mutually unbiased bases in dimension six containing a product-vector basis
Lin Chen, Li Yu
Excluding the existence of four MUBs in is an open problem in quantum information. We investigate the number of product vectors in the set of four mutually unbiased bases…
Universal controlled-phase gate with cat-state qubits in circuit QED
Yu Zhang, Xiong Zhao, Li Yu +2
Cat-state qubits (qubits encoded with cat states) have recently drawn intensive attention due to their enhanced life times with quantum error correction. We here propose a method t…
Experimental simulation of quantum temporal steering beyond rotating-wave approximation
Shao-Jie Xiong, Yu Zhang, Zhe Sun +6
Characterizing the dynamics of open systems usually starts with a perturbative theory and involves various approximations, such as the Born, Markov and rotating-wave approximation…
10-qubit entanglement and parallel logic operations with a superconducting circuit
Chao Song, Kai Xu, Wuxin Liu +16
Here we report on the production and tomography of genuinely entangled Greenberger-Horne-Zeilinger states with up to 10 qubits connecting to a bus resonator in a superconducting ci…
Generating double NOON states of photons in circuit QED
Qi-Ping Su, Hui-Hao Zhu, Li Yu +4
To generate a NOON state with a large photon number , the number of operational steps could be large and the fidelity will decrease rapidly with . Here we propose a method to…
Transferring multiqubit entanglement onto memory qubits in a decoherence-free subspace
Xiao-Ling He, Chui-Ping Yang
Different from the previous works on generating entangled states, this work is focused on how to transfer the prepared entangled states onto memory qubits for protecting them again…