LIGHT-INDUCED DRIFT OF BARIUM ATOMS

被引：4

作者：

HRADECNY, C ^{[1
]}

SLOVAK, J ^{[1
]}

TETHAL, T ^{[1
]}

YERMOLAYEV, IM ^{[1
]}

PODIVILOV, EV ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI, INST AUTOMAT & ELECTROMETRY, NOVOSIBIRSK 630090, RUSSIA

来源：

PHYSICAL REVIEW A | 1995年 / 51卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.51.3374

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An observation of light-induced drift (LID) of atoms with an intermediate metastable level between the ground and excited resonance levels is reported. The drift of atoms of barium was investigated. Molecular nitrogen was used as a buffer gas. The 5d 1D metastable state of Ba atoms was quenched in collisions with N2 molecules. It has been deduced from the experimental results that the collision cross section of Ba atoms with N2 molecules is larger for Ba atoms in the ground state than in the 6p 1P excited state. The maximal LID velocity was about 250 cm/s. © 1995 The American Physical Society.

引用

页码：3374 / 3377

页数：4

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