Pulse-driven quantum dynamics beyond the impulsive regime -: art. no. 033411

被引：11

作者：

Daems, D

Guérin, S

Jauslin, HR

Keller, A

Atabek, O

机构：

[1] Free Univ Brussels, Ctr Nonlinear Phenomena & Complex Syst, B-1050 Brussels, Belgium

[2] Univ Bourgogne, Phys Lab, CNRS, UMR 5027, F-21078 Dijon, France

[3] Univ Paris 11, CNRS, Photophys Mol Lab, F-91405 Orsay, France

来源：

PHYSICAL REVIEW A | 2004年 / 69卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.69.033411

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We review various unitary time-dependent perturbation theories and compare them formally and numerically. We show that the Kolmogorov-Arnold-Moser technique performs better owing to both the superexponential character of correction terms and the possibility to optimize the accuracy of a given level of approximation which is explored in detail here. As an illustration, we consider a two-level system driven by short pulses beyond the sudden limit.

引用

页码：033411 / 1

页数：15

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