Entropy, non-classical property of the trapped ion system driven by running-wave lasers
Liu Xiang (刘翔)ab, Fang Mao-Fa (方卯发)a
a Department of Physics, Hunan Normal University, Changsha 410081, China; b Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
Abstract We study the dynamical behaviour of the ionic inversion in a trapped ion system in running-wave lasers, and we discuss the properties of entanglement between the ion and phonons and the statistics of the vibrational phonon field. It is shown that the appearance of the super-revivals of the ion inversion is dependent on the initial parameters of the vibrational phonon field. The Schr?dinger cat and sub-Poissonian statistics of the phonon field can be also exhibited in this system for suitable initial values.
Received: 23 March 2002
Revised: 01 May 2002
Accepted manuscript online:
(Ultraviolet, visible, and infrared radiation effects (including laser radiation))
Fund: Project supported by the National Natural Science Foundation of China (Grant No 19874020), and the Natural Science Foundation of Hunan Province, China (Grant No 01JJY3030).
Cite this article:
Liu Xiang (刘翔), Fang Mao-Fa (方卯发) Entropy, non-classical property of the trapped ion system driven by running-wave lasers 2002 Chinese Physics 11 926
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