Solvable multistate model of Landau-Zener transitions in cavity QED

被引：36
|
作者：
Sinitsyn, Nikolai A. [1 ]
Li, Fuxiang [1 ,2 ]
机构：
[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
[2] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA
来源：
PHYSICAL REVIEW A | 2016年 / 93卷 / 06期
关键词：
SURVIVAL PROBABILITY; STATES; BANDS;
D O I：
10.1103/PhysRevA.93.063859
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We consider the model of a single optical cavity mode interacting with two-level systems (spins) driven by a linearly time-dependent field. When this field passes through values at which spin energy-level splittings become comparable to spin coupling to the optical mode, a cascade of Landau-Zener transitions leads to coflips of spins in exchange for photons of the cavity. We derive exact transition probabilities between different diabatic states induced by such a sweep of the field.
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页数：12
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