Dephasing Process of a Single Atom Interacting with a Two-Mode Field

被引：2

作者：

Khalil, Eied M. ^{[1
]}

Berrada, Kamal ^{[2
]}

Abdel-Khalek, Sayed ^{[1
]}

Alsubei, Beida ^{[1
]}

Eleuch, Hichem ^{[3
,4
,5
]}

机构：

[1] Taif Univ, Coll Sci, Dept Math & Stat, POB 11099, At Taif 21944, Saudi Arabia

[2] Imam Mohammad Ibn Saud Islamic Univ IMSIU, Coll Sci, Phys Dept, Riyadh 13318, Saudi Arabia

[3] Univ Sharjah, Dept Appl Phys & Astron, Sharjah 27272, U Arab Emirates

[4] Abu Dhabi Univ, Coll Arts & Sci, Dept Appl Sci & Math, Abu Dhabi 59911, U Arab Emirates

[5] Texas A&M Univ, Inst Quantum Sci & Engn, College Stn, TX 77843 USA

来源：

ENTROPY | 2021年 / 23卷 / 02期

关键词：

qubit-field system; finite dimensional pair coherent states; phase damping; linear entropy; Fisher information entropy squeezing;

D O I：

10.3390/e23020252

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页码：1 / 12

页数：12

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