单原子与双模场相互作用的退相过程。
Dephasing Process of a Single Atom Interacting with a Two-Mode Field.
作者信息
Khalil Eied M, Berrada Kamal, Abdel-Khalek Sayed, Alsubei Beida, Eleuch Hichem
机构信息
Department of Mathematics and Statistics, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia.
Physics Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 13318, Saudi Arabia.
出版信息
Entropy (Basel). 2021 Feb 22;23(2):252. doi: 10.3390/e23020252.
We consider the interaction of a qubit system with a two-mode field in the presence of multi-photon transition and phase damping effect. We use the master equation to obtain the density operator when the qubit is initially prepared in its excited state and the field is in a finite-dimensional pair coherent state. The properties of the considered system, such as the population inversion, amount of the mixedness, parameter estimation, and squeezing, are explored for one- and two-photon transitions. The effects of photon addition to the field and phase damping on the evaluation of these quantumness measures are also investigated.
我们考虑了在多光子跃迁和相位阻尼效应存在的情况下，一个量子比特系统与双模场的相互作用。当量子比特初始处于激发态且场处于有限维对相干态时，我们使用主方程来获得密度算符。针对单光子和双光子跃迁，研究了所考虑系统的性质，如布居反转、混合度、参数估计和压缩。还研究了向场中添加光子和相位阻尼对这些量子性度量评估的影响。
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