PREDICTION OF THE EFFECT OF THE GEOMETRIC PHASE ON PRODUCT ROTATIONAL STATE DISTRIBUTIONS AND INTEGRAL CROSS-SECTIONS

被引:132
作者
WU, YSM [1 ]
KUPPERMANN, A [1 ]
机构
[1] CALTECH, ARTHUR AMOS NOYES LAB CHEM PHYS, DIV CHEM & CHEM ENGN, PASADENA, CA 91125 USA
基金
美国国家科学基金会;
关键词
D O I
10.1016/0009-2614(93)85053-Q
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 effect of the geometric phase induced by the conical intersection between the two lowest electronic states of the H + H-2 system on product rotational state distributions and integral cross sections is investigated. This effect is shown to significantly change these distributions and the para-to-ortho and ortho-to-para integral cross sections for energies above 1.8 eV. In addition, the results are in qualitative agreement with the experimentally measured distributions for the D + H-2 reaction. They predict that under appropriate conditions the geometric phase effect may be significant in the many systems that display conical intersections.
引用
收藏
页码:178 / 186
页数:9
相关论文
共 86 条
[1]  
ADELMAN DE, PREPRINT
[2]   SIGNIFICANCE OF ELECTROMAGNETIC POTENTIALS IN THE QUANTUM THEORY [J].
AHARONOV, Y ;
BOHM, D .
PHYSICAL REVIEW, 1959, 115 (03) :485-491
[3]   COMPARISON OF QUANTUM SCATTERING CALCULATIONS FOR THE H+H2 REACTION USING THE LSTH AND DMBE POTENTIALS [J].
AUERBACH, SM ;
ZHANG, JZH ;
MILLER, WH .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1990, 86 (10) :1701-1704
[4]  
BACIC Z, 1990, J CHEM PHYS, V92, P2344, DOI 10.1063/1.457976
[6]   QUANTUM-MECHANICAL DYNAMICS AND QUASI-CLASSICAL TRAJECTORIES FOR COMPARISON TO STIMULATED RAMAN PUMPING MEASUREMENTS OF THE HIGH-ENERGY STATE-TO-STATE REACTION DYNAMICS OF D+H2(V=J=1)-]HD(V'=1,J')+H [J].
BLAIS, NC ;
ZHAO, MS ;
TRUHLAR, DG ;
SCHWENKE, DW ;
KOURI, DJ .
CHEMICAL PHYSICS LETTERS, 1990, 166 (01) :11-19
[7]   COMPARISON OF QUASICLASSICAL TRAJECTORY CALCULATIONS TO ACCURATE QUANTUM-MECHANICS FOR STATE-TO-STATE PARTIAL CROSS-SECTIONS AT LOW TOTAL ANGULAR-MOMENTUM FOR THE REACTION D+H2-]HD+H [J].
BLAIS, NC ;
ZHAO, MH ;
MLADENOVIC, M ;
TRUHLAR, DG ;
SCHWENKE, DW ;
SUN, Y ;
KOURI, DJ .
JOURNAL OF CHEMICAL PHYSICS, 1989, 91 (02) :1038-1042
[8]   HYPER-SPHERICAL COORDINATE REACTIVE SCATTERING USING VARIATIONAL SURFACE FUNCTIONS [J].
CUCCARO, SA ;
HIPES, PG ;
KUPPERMANN, A .
CHEMICAL PHYSICS LETTERS, 1989, 154 (02) :155-164
[9]   SYMMETRY ANALYSIS OF ACCURATE H+H2 RESONANCES FOR LOW PARTIAL-WAVES [J].
CUCCARO, SA ;
HIPES, PG ;
KUPPERMANN, A .
CHEMICAL PHYSICS LETTERS, 1989, 157 (05) :440-446
[10]   CONVERGED VARIATIONAL QUANTUM SCATTERING RESULTS FOR THE 3-DIMENSIONAL F+D2 REACTION [J].
DMELLO, M ;
MANOLOPOULOS, DE ;
WYATT, RE .
CHEMICAL PHYSICS LETTERS, 1990, 168 (02) :113-118