Generation of semiclassical and delocalized vibrational wave packet motion of HF molecules oriented in an external static electric field

被引:10
作者
Hervé, S [1 ]
Le Quéré, F [1 ]
Marquardt, R [1 ]
机构
[1] Univ Marne Vallee, Chim Theor Lab, F-77454 Marne la Vallee 2, France
关键词
D O I
10.1063/1.1436114
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
The quantum dynamics of the HF molecule is investigated in the presence of a static electric field and coherent infrared radiation. The time dependent dynamics is induced by infrared multiphoton excitation and the time evolution of the rovibrational wave packet is calculated in configuration space. Results are given for static field strengths needed to orient molecules such that their internal dynamics can be described by simplified, purely vibrational models. For highly oriented HF molecules, time intervals of approximate duration of 70 fs occur repeatedly during and after the excitation in which the reduced vibrational wave packet motion is nearly semiclassical ("semiclassical windows"). The occurrence of these time intervals can be made more regular after the excitation, if the pulse duration is chosen adequately. (C) 2002 American Institute of Physics.
引用
收藏
页码:3300 / 3308
页数:9
相关论文
共 59 条
[1]   Dynamical quenching of laser-induced dissociations of diatomic molecules in intense infrared fields: Effects of molecular rotations and misalignments [J].
Abou-Rachid, H ;
Nguyen-Dang, TT ;
Atabek, O .
JOURNAL OF CHEMICAL PHYSICS, 2001, 114 (05) :2197-2207
[2]  
[Anonymous], QCPE B
[3]   Dynamics of electron-induced manipulation of individual CO molecules on Cu(III) [J].
Bartels, L ;
Meyer, G ;
Rieder, KH ;
Velic, D ;
Knoesel, E ;
Hotzel, A ;
Wolf, M ;
Ertl, G .
PHYSICAL REVIEW LETTERS, 1998, 80 (09) :2004-2007
[4]  
BISSELING RH, 1985, J CHEM PHYS, V83, P993, DOI 10.1063/1.449426
[5]   CONTROL OF MOLECULAR VIBRATIONAL-EXCITATION AND DISSOCIATION BY CHIRPED INTENSE INFRARED-LASER PULSES - ROTATIONAL EFFECTS [J].
CHELKOWSKI, S ;
BANDRAUK, AD .
JOURNAL OF CHEMICAL PHYSICS, 1993, 99 (06) :4279-4287
[6]  
Cullum J. K., 1985, LANCZOS ALGORITHMS L
[7]   CLASSICAL AND QUANTUM-MECHANICAL STUDIES OF HF IN AN INTENSE LASER FIELD [J].
DARDI, PS ;
GRAY, SK .
JOURNAL OF CHEMICAL PHYSICS, 1982, 77 (03) :1345-1353
[8]   Orientational averaging in the intense field tunnel ionization of molecules [J].
DeWitt, MJ ;
Prall, BS ;
Levis, RJ .
JOURNAL OF CHEMICAL PHYSICS, 2000, 113 (04) :1553-1558
[9]   IONIZATION AND DISSOCIATION OF DIATOMIC-MOLECULES IN INTENSE INFRARED-LASER FIELDS [J].
DIETRICH, P ;
CORKUM, PB .
JOURNAL OF CHEMICAL PHYSICS, 1992, 97 (05) :3187-3198
[10]   Laser-induced alignment dynamics of HCN: Roles of the permanent dipole moment and the polarizability [J].
Dion, CM ;
Keller, A ;
Atabek, O ;
Bandrauk, AD .
PHYSICAL REVIEW A, 1999, 59 (02) :1382-1391