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14 papers · 2 filters
Shortcut Scheme for One-Step Implementation of a Three-Qubit Nonadiabatic Holonomic Gate
Bi-Hua Huang, Yi-Hao Kang, Zhi-Cheng Shi +2
Nonadiabatic holonomic quantum computation has attracted increasing interest because of its robustness. In this paper, based on the shortcuts to adiabaticity (STA), we propose a sc…
Dissipative entanglement preparation via Rydberg antiblockade and Lyapunov control
Zong-Xing Ding, Chang-Sheng Hu, Li-Tuo Shen +3
Preparation of entangled steady states via dissipation and pumping in Rydberg atoms has been recently found to be useful for quantum information processing. The driven-dissipative…
Polaron picture of the two-photon quantum Rabi model
Lei Cong, Xi-Mei Sun, Maoxin Liu +2
We employ a polaron picture to investigate the properties of the two-photon quantum Rabi model (QRM), which describes a two-level or spin-half system coupled with a single bosonic…
Demonstration of Controlled-Phase Gates between Two Error-Correctable Photonic Qubits
Yuan Xu, Yuwei Ma, Weizhou Cai +11
To realize fault-tolerant quantum computing, it is necessary to store quantum information in logical qubits with error correction functions, realized by distributing a logical stat…
Precise quantum control via unsharp measurements and feedback operations
Du Ran, Ye-Hong Chen, Zhi-Cheng Shi +3
In this paper, we propose a scheme to eliminate the influence of noises on system dynamics, by means of a sequential unsharp measurements and unitary feedback operations. The unsha…
Dephasing-insensitive quantum information storage and processing with superconducting qubits
Qiujiang Guo, Shi-Biao Zheng, Jianwen Wang +11
A central task towards building a practical quantum computer is to protect individual qubits from decoherence while retaining the ability to perform high-fidelity entangling gates…