Fast and robust generation of a CNOT gate via transitionless quantum driving

被引：1
|
作者：
You, Wen-Min [1 ]
Zhang, Chun-Ling [1 ,2 ]
机构：
[1] Yango Univ, Coll Artificial Intelligence, Fuzhou 350015, Peoples R China
[2] Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energ, Fuzhou 350117, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2021年 / 497卷
关键词：
CNOT gate; Shortcuts to adiabatic passage; Transitionless quantum driving; Quantum Zeno dynamic; CONTROLLED-NOT GATE; STATE; SHORTCUTS; IMPLEMENTATION; SCHEME; ATOMS;
D O I：
10.1016/j.optcom.2021.127197
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this paper, we present the generation of a CNOT gate between two atoms in a cavity based on transitionless quantum driving. Compared to some previous schemes, the proposed scheme for generating a CNOT gate significantly shortens the duration time. Besides, the scheme is insensitive to the fluctuation of evolution time and coupling coefficient. Also, the influences of atomic spontaneous emission and cavity decay on the fidelity are discussed by numerical simulation. The numerical result shows that the scheme is robust against decoherence.
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页数：7
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