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Abstract:
A protocol for complete and nondestructive atomic Bell-state analysis by using inverse engineering is presented. The setups for the Bell-state analysis contain four atoms trapped in four separated cavities, respectively. The laser pulses designed by inverse engineering help in the manipulation of the transitions of atoms in a robust manner. By using the protocol, the information for distinguishing four Bell states of two information-carrying atoms is encoded on two auxiliary atoms. Therefore, the four Bell states can be distinguished without being destroyed by detecting the states of the two auxiliary atoms. Moreover, as shown by the numerical simulations, the protocol has high successful probabilities to distinguish four Bell states when decoherence is considered. Thus, the protocol may provide some helpful perspectives for the quantum information tasks based on Bell states.
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ANNALEN DER PHYSIK
ISSN: 0003-3804
Year: 2018
Issue: 7
Volume: 530
3 . 2 7 6
JCR@2018
2 . 2 0 0
JCR@2023
ESI Discipline: PHYSICS;
ESI HC Threshold:158
JCR Journal Grade:1
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 9
SCOPUS Cited Count: 8
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 0
Affiliated Colleges: