| Wigner function and the entanglement of quantized Bessel—Gaussian vortex state of quantized radiation field |
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| 引用本文： | 朱开成,李绍新,唐英,郑小娟,唐慧琴.Wigner function and the entanglement of quantized Bessel—Gaussian vortex state of quantized radiation field[J].中国物理 B,2012,21(8):84204-084204. |
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| 作者姓名： | 朱开成 李绍新 唐英 郑小娟 唐慧琴 |
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| 作者单位： | a School of Physical Science and Technology, Central South University, Changsha 410083, China;
b Physical Staff Room, Guangdong Medical College, Dongguan 523808, China |
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| 摘 要： |
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| 收稿时间： | 2011-12-05 |
Wigner function and the entanglement of quantized Bessel–Gaussian vortex state of quantized radiation field |
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| Zhu Kai-Cheng,Li Shao-Xin,Tang Ying,Zheng Xiao-Juan,Tang Hui-Qin.Wigner function and the entanglement of quantized Bessel–Gaussian vortex state of quantized radiation field[J].Chinese Physics B,2012,21(8):84204-084204. |
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| Authors: | Zhu Kai-Cheng Li Shao-Xin Tang Ying Zheng Xiao-Juan Tang Hui-Qin |
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| Institution: | a School of Physical Science and Technology, Central South University, Changsha 410083, China;
b Physical Staff Room, Guangdong Medical College, Dongguan 523808, China |
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| Abstract: | A new kind of quantum non-Gaussian state with vortex structure, termed Bessel-Gaussian vortex state, is constructed, which is an eigenstate of sum of squared annihilation operators a2 + b2. The Wigner function of the quantum vortex state is derived and exhibits negativity which is an indication of nonclassicality. It is also found that quantized vortex state is always in entanglement. And a scheme for generating such quantized vortex states is proposed. |
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| Keywords: | Wigner distribution function quantized vortex state quantum non-Gaussian state |
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