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
收藏
页数:5
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