Preparation of nonclassical states and measurement of the Wigner function for the collective motion of N trapped ions

doi:10.1088/1009-1963/13/11/017

中国物理B ›› 2004, Vol. 13 ›› Issue (11): 1862-1865.doi: 10.1088/1009-1963/13/11/017

Preparation of nonclassical states and measurement of the Wigner function for the collective motion of N trapped ions

郑仕标

Department of Electronic Science and Applied Physics, Fuzhou University, Fuzhou 350002, China

收稿日期:2004-03-09 修回日期:2004-04-16 出版日期:2004-11-20 发布日期:2005-06-20
基金资助:
Project supported by Fok Ying Tung Education Foundation (Grant No 81008), the National Natural Science Foundation of China (Grant Nos 60008003 and 100225421), and Funds from Fuzhou University.

Preparation of nonclassical states and measurement of the Wigner function for the collective motion of N trapped ions

Zheng Shi-Biao (郑仕标)

Department of Electronic Science and Applied Physics, Fuzhou University, Fuzhou 350002, China

Received:2004-03-09 Revised:2004-04-16 Online:2004-11-20 Published:2005-06-20
Supported by:
Project supported by Fok Ying Tung Education Foundation (Grant No 81008), the National Natural Science Foundation of China (Grant Nos 60008003 and 100225421), and Funds from Fuzhou University.

摘要/Abstract

摘要： We propose a scheme for generating nonclassical states for the centre-of-mass vibrational mode of N trapped ions, including superpositions of several coherent states on a circle and Fock states. In the scheme N trapped ions are driven by a laser beam tuned to the carrier. The scheme also provides a new prospect for laser cooling. The scheme can be used to measure the Wigner function of the collective vibrational mode.

关键词: nonclassical state, Wigner function, trapped ion

Abstract: We propose a scheme for generating nonclassical states for the centre-of-mass vibrational mode of N trapped ions, including superpositions of several coherent states on a circle and Fock states. In the scheme N trapped ions are driven by a laser beam tuned to the carrier. The scheme also provides a new prospect for laser cooling. The scheme can be used to measure the Wigner function of the collective vibrational mode.

Key words: nonclassical state, Wigner function, trapped ion

中图分类号: (Mechanical effects of light on atoms, molecules, and ions)

37.10.Vz

37.10.De (Atom cooling methods)

郑仕标. Preparation of nonclassical states and measurement of the Wigner function for the collective motion of N trapped ions[J]. 中国物理B, 2004, 13(11): 1862-1865.

Zheng Shi-Biao (郑仕标). Preparation of nonclassical states and measurement of the Wigner function for the collective motion of N trapped ions[J]. Chinese Physics, 2004, 13(11): 1862-1865.

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Preparation of nonclassical states and measurement of the Wigner function for the collective motion of N trapped ions

Preparation of nonclassical states and measurement of the Wigner function for the collective motion of N trapped ions

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