658 citations
- Institute of Modern PhysicsCN636 papers
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11 papers · 2 filters
Simulating a Topological Transition in a Superconducting Phase Qubit by Fast Adiabatic Trajectories
Tenghui Wang, Zhenxing Zhang, Liang Xiang +3
The significance of topological phases has been widely recognized in the community of condensed matter physics. The well controllable quantum systems provide an artificial platform…
Superfluid-Mott-insulator transition in superconducting circuits with weak anharmonicity
Li-Li Zheng, Ke-Min Li, Xin-You Lü +1
We investigate theoretically the ground-state property of a two-dimensional array of superconducting circuits including the on-site superconducting qubits (SQs) with weak anharmoni…
Steady bipartite coherence induced by non-equilibrium environment
Yong Huangfu, Jun Jing
We study the steady state of two coupled two-level atoms interacting with a non-equilibrium environment that consists of two heat baths at different temperatures. Specifically, we…
Einstein-Podolsky-Rosen steering and Bell nonlocality of two macroscopic mechanical oscillators in optomechanical systems
Jie Li, Shi-Yao Zhu
We investigate under which conditions quantum nonlocal manifestations as Einstein-Podolsky-Rosen steering or Bell nonlocality can manifest themselves even at the macroscopic level…
Continuous-variable geometric phase and its manipulation for quantum computation in a superconducting circuit
Chao Song, Shi-Biao Zheng, Pengfei Zhang +10
Geometric phase, associated with holonomy transformation in quantum state space, is an important quantum-mechanical effect. Besides fundamental interest, this effect has practical…
Control relaxation via dephasing: an exact quantum state diffusion study
Jun Jing, Ting Yu, Chi-Hang Lam +2
Dynamical decoupling as a quantum control strategy aims at suppressing quantum decoherence adopting the popular philosophy that the disorder in the unitary evolution of the open qu…