COLLISIONS OF DOUBLY SPIN-POLARIZED, ULTRACOLD RB-85 ATOMS

被引：136

作者：

GARDNER, JR ^{[1
]}

CLINE, RA ^{[1
]}

MILLER, JD ^{[1
]}

HEINZEN, DJ ^{[1
]}

BOESTEN, HMJM ^{[1
]}

VERHAAR, BJ ^{[1
]}

机构：

[1] EINDHOVEN UNIV TECHNOL,5600 MB EINDHOVEN,NETHERLANDS

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.74.3764

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the collisions of doubly spin-polarized 85Rb atoms at millikelvin temperatures using photoassociation spectroscopy. Because the atoms are spin polarized, only triplet collisional states are formed. This leads to photoassociation spectra of a particularly simple form, which provide a very direct probe of the ground state collision. These spectra are analyzed to yield the ground state triplet scattering length -1000a0<aT<-60a0 for 85Rb, +85a0<aT<+140a0 for 87Rb, and the product of the D-line dipole matrix elements d(P1/2)d(P3/2)=8.75±0.25 a.u. © 1995 The American Physical Society.

引用

页码：3764 / 3767

页数：4

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