Chaotic ratchet dynamics with cold atoms in a pair of pulsed optical lattices

被引：32
|
作者：
Carlo, Gabriel G.
Benenti, Giuliano
Casati, Giulio
Wimberger, Sandro
Morsch, Oliver
Mannella, Riccardo
Arimondo, Ennio
机构：
[1] Univ Insubria, Ctr Nonlinear & Complex Syst, I-22100 Como, Italy
[2] Comis Nacl Energia Atom, Dept Fis, RA-1429 Buenos Aires, DF, Argentina
[3] Ist Nazl Fis Nucl, Sez Milan, I-20133 Milan, Italy
[4] CNISM, I-20133 Milan, Italy
[5] CNR, INFM, I-20133 Milan, Italy
[6] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore
[7] Univ Pisa, CNR, INFM, I-56127 Pisa, Italy
[8] Univ Pisa, Dipartimento Fis Enrico Fermi, I-56127 Pisa, Italy
来源：
PHYSICAL REVIEW A | 2006年 / 74卷 / 03期
关键词：
DELTA-KICKED ROTOR; LOCALIZATION; DECOHERENCE;
D O I：
10.1103/PhysRevA.74.033617
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a very simple model for realizing directed transport with cold atoms in a pair of periodically flashed optical lattices. The origin of this ratchet effect is explained and its robustness demonstrated under imperfections typical of cold atom experiments. We conclude that our model offers a clear-cut way to implement directed transport in an atom optical experiment.
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页数：7
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