Atomic Quantum Simulation of Dynamical Gauge Fields Coupled to Fermionic Matter: From String Breaking to Evolution after a Quench

被引：289

作者：

Banerjee, D. ^{[1
]}

Dalmonte, M. ^{[2
,3
]}

Mueller, M. ^{[4
]}

Rico, E. ^{[2
,3
]}

Stebler, P. ^{[1
]}

Wiese, U. -J. ^{[1
]}

Zoller, P. ^{[2
,3
,5
,6
]}

机构：

[1] Univ Bern, Inst Theoret Phys, Albert Einstein Ctr, CH-3012 Bern, Switzerland

[2] Austrian Acad Sci, Inst Quantum Opt & Quantum Informat, A-6020 Innsbruck, Austria

[3] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria

[4] Univ Complutense, Dept Fis Teor 1, E-28040 Madrid, Spain

[5] NIST, Joint Quantum Inst, College Pk, MD 20742 USA

[6] Univ Maryland, College Pk, MD 20742 USA

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 17期

基金：

奥地利科学基金会;

关键词：

ULTRACOLD ATOMS; NEUTRAL ATOMS; COLLOQUIUM; MODELS;

D O I：

10.1103/PhysRevLett.109.175302

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using a Fermi-Bose mixture of ultracold atoms in an optical lattice, we construct a quantum simulator for a U(1) gauge theory coupled to fermionic matter. The construction is based on quantum links which realize continuous gauge symmetry with discrete quantum variables. At low energies, quantum link models with staggered fermions emerge from a Hubbard-type model which can be quantum simulated. This allows us to investigate string breaking as well as the real-time evolution after a quench in gauge theories, which are inaccessible to classical simulation methods.

引用

页数：5

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