Ultracold-atom quantum simulator for attosecond science

被引：18

作者：

Sala, Simon ^{[1
]}

Foerster, Johann ^{[1
]}

Saenz, Alejandro ^{[1
]}

机构：

[1] Humboldt Univ, AG Moderne Opt, Inst Phys, Newtonstr 15, D-12489 Berlin, Germany

来源：

PHYSICAL REVIEW A | 2017年 / 95卷 / 01期

基金：

美国国家科学基金会;

关键词：

ABOVE-THRESHOLD IONIZATION; INSULATOR TRANSITION; MOTT INSULATOR; FIELD; TIME; SUPERFLUID; PHYSICS; SYSTEM; PULSES;

D O I：

10.1103/PhysRevA.95.011403

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A quantum simulator based on ultracold optically trapped atoms for simulating the physics of atoms and molecules in ultrashort intense laser fields is introduced. The slowing down by about 13 orders of magnitude allows one to watch in slow motion the tunneling and recollision processes that form the heart of attosecond science. The extreme flexibility of the simulator promises a deeper understanding of strong-field physics, especially for many-body systems beyond the reach of classical computers. The quantum simulator can experimentally straightforwardly be realized and is shown to recover the ionization characteristics of atoms in the different regimes of laser-matter interaction.

引用

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