Adiabatic tracking of quantum many-body dynamics

被引：120

作者：

Saberi, Hamed ^{[1
,2
,3
]}

Opatrny, Tomas ^{[1
]}

Molmer, Klaus ^{[4
]}

del Campo, Adolfo ^{[5
,6
,7
]}

机构：

[1] Palacky Univ, Fac Sci, Dept Opt, Olomouc 77146, Czech Republic

[2] Univ Paderborn, Dept Phys, D-33098 Paderborn, Germany

[3] Univ Paderborn, CeOPP, D-33098 Paderborn, Germany

[4] Univ Aarhus, Dept Phys & Astron, DK-8000 Aarhus C, Denmark

[5] Univ Massachusetts, Dept Phys, Boston, MA 02125 USA

[6] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[7] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW A | 2014年 / 90卷 / 06期

关键词：

TRAPPED IONS; PHASE-TRANSITION; SIMULATION;

D O I：

10.1103/PhysRevA.90.060301

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The nonadiabatic dynamics of a many-body system driven through a quantum critical point can be controlled using counterdiabatic driving, where the formation of excitations is suppressed by assisting the dynamics with auxiliary multiple-body nonlocal interactions. We propose an alternative scheme which circumvents practical challenges to realize shortcuts to adiabaticity in mesoscopic systems by tailoring the functional form of the auxiliary counterdiabatic interactions. A driving scheme resorting in short-range few-body interactions is shown to generate an effectively adiabatic dynamics.

引用

页数：5

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