Implementing quantum control for the temporal evolution of the wave function of the quantum state by using a phase-controlled light field | Zendy

Li Yongfang | Zendy; Liqing Ren | Zendy; Ruiqiong Ma | Zendy; Rong Fan | Zendy; Juan Liu | Zendy

Open Access

Implementing quantum control for the temporal evolution of the wave function of the quantum state by using a phase-controlled light field

Author(s) -

Li Yongfang,

Liqing Ren,

Ruiqiong Ma,

Rong Fan,

Juan Liu

Publication year - 2010

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.59.1671

Subject(s) - physics , polarization (electrochemistry) , light field , excited state , quantum , wave function , time evolution , field (mathematics) , diffraction , quantum state , quantum mechanics , optics , chemistry , mathematics , pure mathematics

We investigate the interaction between a two-level atomic system and a phase controllable light field. The quantum diffraction of the population probability for the excited state is described analytically. The physical sense of the wave function evolution is analyzed in detail. The polarization of the atoms is shown with the help of Cornu spiral of the wave function and the temporal evolution of the real and imaginary part for the wave function. It is shown that the polarization of the atoms and the temporal evolution of the wave function as well as the propagation of light can be controlled by manipulating the phase of the light field.

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