Role of interactions in time-of-flight expansion of atomic clouds from optical lattices

被引：6

作者：

Kupferschmidt, Joern N. ^{[1
,2
,3
]}

Mueller, Erich J. ^{[1
]}

机构：

[1] Cornell Univ, Atom & Solid State Phys Lab, Ithaca, NY 14853 USA

[2] Free Univ Berlin, Dahlem Ctr Complex Quantum Syst, D-14195 Berlin, Germany

[3] Free Univ Berlin, Inst Theoret Phys, D-14195 Berlin, Germany

来源：

PHYSICAL REVIEW A | 2010年 / 82卷 / 02期

关键词：

MOTT INSULATOR;

D O I：

10.1103/PhysRevA.82.023618

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We calculate the effect of interactions on the expansion of ultracold atoms from a single site of an optical lattice. We use these results to predict how interactions influence the interference pattern observed in a time-of-flight experiment. We find that for typical interaction strengths their influence is negligible, yet that they reduce visibility near a scattering resonance.

引用

页数：6

共 15 条

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