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          Institute: MPI für Kernphysik     Collection: Theoretical Quantum Dynamics     Display Documents



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ID: 299444.0, MPI für Kernphysik / Theoretical Quantum Dynamics
Distilling two-atom distance information from intensity-intensity correlation functions
Authors:Chang, Jun-Tao; Evers, Jörg; Zubairy, M. Suhail
Language:English
Date of Publication (YYYY-MM-DD):2006-10-31
Title of Journal:Physical Review A
Journal Abbrev.:Phys. Rev. A
Volume:74
Start Page:1
End Page:9
Sequence Number of Article:043820
Copyright:©2006 The American Physical Society
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:The intensity-intensity correlation function of the resonance fluorescence light of two two-level atoms driven by a resonant standing-wave laser field is examined. Our aim is to gain information on the distance between the two atoms from observables accessible in experiments. For this, we numerically solve the time-evolution equations of the system and calculate the steady-state intensity-intensity correlation by using the Laplace transform and quantum regression theory. By varying the interatomic distance from about half a wavelength down to small fractions of a wavelength, we show that the correlation function exhibits characteristic properties for different distance ranges. Based on these results, we propose a scheme to obtain interatomic distance information from the power spectrum of the correlation function, which allows us to extract the desired distance information over a wide range of distances with high accuracy.
External Publication Status:published
Document Type:Article
Communicated by:C.H. Keitel
Affiliations:MPI für Kernphysik/ Group of C.H. Keitel/Quantum Interferences and Collective Quantum Dynamics (J. Evers)
External Affiliations:Institute for Quantum Studies and Department of Physics, Texas A&M University, College Station, Texas 77843, USA
Identifiers:DOI:10.1103/PhysRevA.74.043820
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