Double species Bose-Einstein condensate with tunable interspecies interactions

被引：377

作者：

Thalhammer, G. ^{[1
,2
]}

Barontini, G. ^{[1
,2
]}

De Sarlo, L. ^{[1
,2
]}

Catani, J. ^{[1
,2
,3
,4
]}

Minardi, F. ^{[1
,2
,3
,4
]}

Inguscio, M. ^{[1
,2
,3
,4
]}

机构：

[1] Univ Florence, LENS European Lab Nonlinear Spect, I-50019 Florence, Italy

[2] Univ Florence, Dipartimento Fis, I-50019 Florence, Italy

[3] INFM, CNR, I-50019 Florence, Italy

[4] Ist Nazl Fis Nucl, I-50019 Florence, Italy

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 21期

关键词：

D O I：

10.1103/PhysRevLett.100.210402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We produce Bose-Einstein condensates of two different species, (87)Rb and (41)K, in an optical dipole trap in proximity of interspecies Feshbach resonances. We discover and characterize two Feshbach resonances, located around 35 and 79 G, by observing the three-body losses and the elastic cross section. The narrower resonance is exploited to create a double species condensate with tunable interactions. Our system opens the way to the exploration of double species Mott insulators and, more in general, of the quantum phase diagram of the two-species Bose-Hubbard model.

引用

页数：4

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