High-angular-momentum states in cold Rydberg gases

被引：97

作者：

Dutta, SK ^{[1
]}

Feldbaum, D ^{[1
]}

Walz-Flannigan, A ^{[1
]}

Guest, JR ^{[1
]}

Raithel, G ^{[1
]}

机构：

[1] Dept Phys, Ann Arbor, MI 48109 USA

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.86.3993

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Cold. dense Rydberg gases produced in a cold-atom trap are investigated using spectroscopic methods and time-resolved electron counting. Optical excitation on the discrete Rydberg resonances reveals longlasting electron emission from the Rydberg gas (> 20 ms). Our observations are explained by lm-mixing collisions between Rydberg atoms and slow electrons that lead to the population of long-lived high-angular-momentum Rydberg states. These atoms thermally ionize slowly and with large probabilities.

引用

页码：3993 / 3996

页数：4

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