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Measurement-induced disturbance between two atoms in Tavis–Cummings model with dipole–dipole interaction |
| Zhang Guo-Feng (张国锋)a, Wang Xiao (王骁)b, Lü Guang-Hong (吕广宏)a |
a Department of Physics, School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China;
b Beijing No. 8 High School, Beijing 100033, China |
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Abstract Quantum correlation, measured by measurement-induced disturbance (MID), between two two-level atoms is investigated in detail in Tavis-Cummings model with dipole-dipole interaction (DDI). We find that MID can be determined only by the dipole-dipole interaction between the two atoms when the cavity and atoms are at resonance. Moreover, DDI will have different effects on MID for two different kinds of initial states.
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Received: 20 January 2014
Revised: 31 March 2014
Accepted manuscript online:
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PACS:
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42.50.-p
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(Quantum optics)
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03.67.Bg
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(Entanglement production and manipulation)
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| Fund: Project supported by Beijing City Talent Plan for Middle School Student and the Open Fund of IPOC (BUPT), China (Grant No. IPOC2013B007), the National Natural Science Foundation of China (Grant Nos. 11174024 and 61227902), the Fundamental Research Funds for the Central Universities, China (Grant No. YWF-13-D2-JC-19), and the Beijing City Youth Talent Plan. |
Corresponding Authors:
Zhang Guo-Feng
E-mail: gf1978zhang@buaa.edu.cn
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| About author: 42.50.-p; 03.67.Bg |
Cite this article:
Zhang Guo-Feng (张国锋), Wang Xiao (王骁), Lü Guang-Hong (吕广宏) Measurement-induced disturbance between two atoms in Tavis–Cummings model with dipole–dipole interaction 2014 Chin. Phys. B 23 104204
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