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- Harbin Institute of TechnologyCN54 papers
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12 papers · 2 filters
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…
Coherent control in quantum open systems: An approach for accelerating dissipation-based quantum state generation
Ye-Hong Chen, Zhi-Cheng Shi, Jie Song +2
In this paper, we propose an approach to accelerate the dissipation dynamics for quantum state generation with Lyapunov control. The strategy is to add target-state-related coheren…
Improving shortcuts to non-Hermitian adiabaticity for fast population transfer in open quantum systems
Ye-Hong Chen, Qi-Cheng Wu, Bi-Hua Huang +3
It is still a challenge to experimentally realize shortcuts to adiabaticity (STA) for a non-Hermitian quantum system since a non-Hermitian quantum system's counterdiabatic driving…
Fast quantum state engineering via universal SU(2) transformation
Bi-Hua Huang, Yi-Hao Kang, Ye-Hong Chen +3
We introduce a simple yet versatile protocol to inverse engineer the time-dependent Hamiltonian in two- and three level systems. In the protocol, by utilizing a universal SU(2) tra…
Complete Bell-state analysis for superconducting-quantum-interference-device qubits with transitionless tracking algorithm
Yi-Hao Kang, Ye-Hong Chen, Zhi-Cheng Shi +3
In this paper, we propose a protocol for complete Bell-state analysis for two superconducting-quantum-interference-device qubits. The Bell-state analysis could be completed by usin…
Optimal shortcut approach based on an easily obtained intermediate Hamiltonian
Ye-Hong Chen, Zhi-Cheng Shi, Jie Song +2
We present a general approach to speed up the adiabatic process without adding the traditional counterdiabatic driving (CD) Hamiltonian. The strategy is to design an easy-to-get in…