Document Detail

Local blockade of Rydberg excitation in an ultracold gas.
MedLine Citation:
PMID:  15323624     Owner:  NLM     Status:  PubMed-not-MEDLINE    
In the laser excitation of ultracold atoms to Rydberg states, we observe a dramatic suppression caused by van der Waals interactions. This behavior is interpreted as a local excitation blockade: Rydberg atoms strongly inhibit excitation of their neighbors. We measure suppression, relative to isolated atom excitation, by up to a factor of 6.4. The dependences of this suppression on both laser irradiance and atomic density are in good agreement with a mean-field model. These results are an important step towards using ultracold Rydberg atoms in quantum information processing.
D Tong; S M Farooqi; J Stanojevic; S Krishnan; Y P Zhang; R Côté; E E Eyler; P L Gould
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Publication Detail:
Type:  Journal Article     Date:  2004-08-03
Journal Detail:
Title:  Physical review letters     Volume:  93     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2004 Aug 
Date Detail:
Created Date:  2004-08-24     Completed Date:  2004-10-18     Revised Date:  2010-10-04    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  063001     Citation Subset:  -    
Physics Department, University of Connecticut, Storrs 06269, USA.
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