Many-body dipole-dipole interactions between excited Rb atoms probed by wave packets and parametric four-wave mixing

被引：17

作者：

Shen, F. ^{[1
]}

Gao, J. ^{[1
]}

Senin, A. A. ^{[1
]}

Zhu, C. J. ^{[1
]}

Allen, J. R. ^{[1
]}

Lu, Z. H. ^{[1
]}

Xiao, Y. ^{[1
]}

Eden, J. G. ^{[1
]}

机构：

[1] Univ Illinois, Dept Elect & Comp Engn, Lab Opt Phys & Engn, Urbana, IL 61801 USA

来源：

PHYSICAL REVIEW LETTERS | 2007年 / 99卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.99.143201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Dipole-dipole interactions between excited Rb atoms at long range (similar to 300a(0)-2150a(0)) have been observed with molecular wave packets and a coherent nonlinear optical process. Fourier analysis of the parametric four-wave mixing (PFWM) signal wave intensity produced in femtosecond pump-probe experiments demonstrates the appearance of sidebands associated with the Rb 7s-5d(5/2) quantum beating frequency of similar to 18.3 THz. Calculations show that the observed sideband splittings and Fourier domain profiles result from multiple atom, dipole-dipole interactions, and ensembles comprising five or fewer Rb (7s, 6p) atoms account for virtually all of the data.

引用

页数：4

共 48 条

[1] Interactions Between Thermal Ground or Excited Atoms in the Vapor Phase: Many-Body Dipole-Dipole Effects, Molecular Dissociation, and Photoassociation Probed By Laser Spectroscopy
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