Dynamics of entropic uncertainty for three types of three-level atomic systems under the random telegraph noise

doi:10.1088/1674-1056/a67e9c

Abstract We study the dynamics of the entropic uncertainty for three types of three-level atomic systems coupled to an environment modeled by random matrices. The results show that the entropic uncertainty in the Ξ-type atomic system is lower than that in the V-type atomic system which is exactly the same as that in the Λ-type atomic system. In addition, the effect of relative coupling strength on entropic uncertainty is opposite in Markov region and non-Markov region, and the influence of a common environment and independent environments in Markov region and non-Markov region is also opposite. One can reduce the entropic uncertainty by decreasing relative coupling strength or placing the system in two separate environments in the Markov case. In the non-Markov case, the entropic uncertainty can be reduced by increasing the relative coupling strength or by placing the system in a common environment.

Keywords: entropic uncertainty three-level atom random telegraph noise

Received: 05 February 2020
Revised: 03 March 2020
Accepted manuscript online:

PACS:	73.63.Nm	(Quantum wires)
	03.67.Hk	(Quantum communication)
	03.65.Ud	(Entanglement and quantum nonlocality)
	85.35.Be	(Quantum well devices (quantum dots, quantum wires, etc.))

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11374096).

Corresponding Authors: Mao-Fa Fang
E-mail: mffang@hunnu.edu.cn

Cite this article:

Xiong Xu(许雄), Mao-Fa Fang(方卯发) Dynamics of entropic uncertainty for three types of three-level atomic systems under the random telegraph noise 2020 Chin. Phys. B 29 057305

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Dynamics of entropic uncertainty for three types of three-level atomic systems under the random telegraph noise

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