Bright Solitonic Matter-Wave Interferometer

被引：132

作者：

McDonald, G. D. ^{[1
]}

Kuhn, C. C. N. ^{[1
]}

Hardman, K. S. ^{[1
]}

Bennetts, S. ^{[1
]}

Everitt, P. J. ^{[1
]}

Altin, P. A. ^{[1
]}

Debs, J. E. ^{[1
]}

Close, J. D. ^{[1
]}

Robins, N. P. ^{[1
]}

机构：

[1] Australian Natl Univ, Dept Quantum Sci, Quantum Sensors & Atomlaser Lab, Canberra, ACT 0200, Australia

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 113卷 / 01期

基金：

澳大利亚研究理事会;

关键词：

BOSE-EINSTEIN CONDENSATE; ATOM INTERFEROMETRY; PROPAGATION;

D O I：

10.1103/PhysRevLett.113.013002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present the first realization of a solitonic atom interferometer. A Bose-Einstein condensate of 1 x 10(4) atoms of rubidium-85 is loaded into a horizontal optical waveguide. Through the use of a Feshbach resonance, the s-wave scattering length of the Rb-85 atoms is tuned to a small negative value. This attractive atomic interaction then balances the inherent matter-wave dispersion, creating a bright solitonic matter wave. A Mach-Zehnder interferometer is constructed by driving Bragg transitions with the use of an optical lattice colinear with the waveguide. Matter-wave propagation and interferometric fringe visibility are compared across a range of s-wave scattering values including repulsive, attractive and noninteracting values. The solitonic matter wave is found to significantly increase fringe visibility even compared with a noninteracting cloud.

引用

页数：5

共 50 条

[1] Bright Solitonic Matter-Wave Interferometer (vol 113, 013002, 2014)
McDonald, G. D.
Kuhn, C. C. N.
Hardman, K. S.
Bennetts, S.
Everitt, P. J.
Altin, P. A.
Debs, J. E.
Close, J. D.
Robins, N. P.
[J]. PHYSICAL REVIEW LETTERS, 2017, 118 (21)
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