Related Experiment Video
Updated: Nov 15, 2025

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving
Published on: March 30, 2017
Dephasing Process of a Single Atom Interacting with a Two-Mode Field.
Eied M Khalil1, Kamal Berrada2, Sayed Abdel-Khalek1
1Department of Mathematics and Statistics, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia.
We investigated a qubit interacting with a two-mode field, analyzing quantum properties like population inversion and squeezing under multi-photon transitions and phase damping effects.
Area of Science:
- Quantum optics
- Quantum information theory
- Atomic physics
Background:
- Investigating quantum systems requires understanding their dynamics under various interactions.
- Qubit-field interactions are fundamental to quantum computing and metrology.
- Multi-photon transitions and phase damping significantly influence quantum states.
Purpose of the Study:
- To analyze the quantum properties of a qubit-field system.
- To explore the impact of multi-photon transitions and phase damping.
- To study the effects of photon addition on quantumness measures.
Main Methods:
- Utilizing the master equation to derive the density operator.
- Considering a qubit initially in an excited state.
- Employing a finite-dimensional pair coherent state for the field.
Main Results:
- Population inversion, mixedness, parameter estimation, and squeezing were evaluated.
- One- and two-photon transitions were analyzed.
- The influence of photon addition and phase damping on quantum measures was determined.
Conclusions:
- The study provides insights into controlling and characterizing quantum states in interacting systems.
- Understanding these dynamics is crucial for developing quantum technologies.
- Phase damping and photon addition play critical roles in system evolution.
Related Concept Videos
Atomic Nuclei: Nuclear Relaxation Processes
Double Resonance Techniques: Overview
Spin decoupling is usually achieved by...
¹³C NMR: ¹H–¹³C Decoupling
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
Atomic Nuclei: Nuclear Spin State Overview
Two-Dimensional (2D) NMR: Overview
The first step is the preparation period, during which nucleus A is excited with a radiofrequency pulse....
π Electron Effects on Chemical Shift: Overview

