Controlling the orientation of polar molecules by half-cycle pulses

被引：21

作者：

Matos-Abiague, A ^{[1
]}

Berakdar, J ^{[1
]}

机构：

[1] Max Planck Inst Mikrostrukturphys, D-06120 Halle Saale, Germany

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 382卷 / 3-4期

关键词：

D O I：

10.1016/j.cplett.2003.10.089

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We study the quantum dynamics of a linear polar molecule subjected to electromagnetic pulses. For a sequence of half-cycle pulses we derive, from a simplified analytical model, conditions to induce a molecular orientation sustainable for hundreds of picoseconds. The predictions are confirmed by full numerical calculations for the molecule NaI. Analyzing the effect of finite temperatures we conclude that the process of maintaining the molecular orientation is robust to the thermal average. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：475 / 480

页数：6

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