Probing the Structure and Dynamics of Molecular Clusters Using Rotational Wave Packets

被引：21

作者：

Galinis, Gediminas ^{[1
]}

Cacho, Cephise ^{[2
]}

Chapman, Richard T. ^{[2
]}

Ellis, Andrew M. ^{[3
]}

Lewerenz, Marius ^{[4
]}

Luna, Luis G. Mendoza ^{[1
]}

Minns, Russell S. ^{[5
]}

Mladenovic, Mirjana ^{[4
]}

Rouzee, Arnaud ^{[6
]}

Springate, Emma ^{[2
]}

Turcu, I. C. Edmond ^{[2
]}

Watkins, Mark J. ^{[1
]}

von Haeften, Klaus ^{[1
]}

机构：

[1] Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England

[2] STFC Rutherford Appleton Lab, Cent Laser Facil, Didcot OX11 0QX, Oxon, England

[3] Univ Leicester, Dept Chem, Leicester LE1 7RH, Leics, England

[4] Univ Paris Est, Lab Modelisat & Simulat Multi Echelle, MSME UMR CNRS 8208, F-77454 Marne La Vallee, France

[5] Univ Southampton, Southampton SO17 1BJ, Hants, England

[6] Max Born Inst, D-12489 Berlin, Germany

来源：

PHYSICAL REVIEW LETTERS | 2014年 / 113卷 / 04期

关键词：

CONFIGURATION; ACETYLENE; ALIGNMENT; COMPLEX;

D O I：

10.1103/PhysRevLett.113.043004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Rotational wave packets of the weakly bound C2H2-He complex have been created using impulsive alignment. The coherent rotational dynamics were monitored for 600 ps enabling extraction of a frequency spectrum showing multiple rotational energy levels up to J = 4. spectrum has been combined with ab initio calculations to show that the complex has a highly delocalized structure and is bound only by ca. 7 cm(-1). The experiments demonstrate how highly featured rotational spectra can be obtained from an extremely cold environment where only the lowest rotational energy states are initially populated.

引用

页数：5

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