Atom counting statistics in ensembles of interacting Rydberg atoms

被引:166
作者
Liebisch, TC [1 ]
Reinhard, A
Berman, PR
Raithel, G
机构
[1] Univ Michigan, FOCUS Ctr, Ann Arbor, MI 48109 USA
[2] Univ Michigan, Michigan Ctr Theoret Phys, Dept Phys, Ann Arbor, MI 48109 USA
关键词
D O I
10.1103/PhysRevLett.95.253002
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
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.
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页数:4
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