Dynamic analysis of the two-level system quantum coherent control under adiabatic condition
ZHENG Huai-bin, QIU Xu, LI Yong-fang*
(College of Physics and Information Technology, Shaanxi Normal University, Xi′an 710062, Shaanxi, China)
Abstract:
In the dressed state picture, the transition process and the time evolution dynamic process of a two-level system excited by the sinusoidal phase-modulated shaping pulse are investigated with the Bloch vector sphere schematic diagram. The results show that when a two-level system is interacted with the proper sinusoidal phase shaping pulse, the population is inversed and remained in same state and is irrelevant of the!shaping pulse. During the interaction between field and system, the adiabatic states of particles are variant with the different circumstances of light field phase under the adiabatic condition.
KeyWords:
pulse-shaping; adiabatic condition; adiabatic following; Bloch vector
