Atom Counting Statistics in Ensembles of Interacting Rydberg Atoms
- 13 December 2005
- journal article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 95 (25), 253002
- https://doi.org/10.1103/physrevlett.95.253002
Abstract
We show that the probability distributions for the number of Rydberg excitations in small ensembles of cold atoms, excited using short (100 ns) laser pulses, can be highly sub-Poissonian. The phenomenon occurs if the atom density and the principal quantum number of the excited Rydberg level are sufficiently high. Our observations are attributed to a blockade of the Rydberg atom excitation.Keywords
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