Collisional quantum interference (CQI) on the intramolecular rotational energy transfer is observed in an experiment with a static cell, and the integral interference angles are measured. To obtain more accurate inf...Collisional quantum interference (CQI) on the intramolecular rotational energy transfer is observed in an experiment with a static cell, and the integral interference angles are measured. To obtain more accurate information, an experiment with a molecular beam is carried out, and thereby the relationship between the differential interference angle and the scattering angle is obtained. Based on the first-Born approximation of time-dependent perturbation theory, the theoretical model of CQI is developed in an atom-diatom system in the condition of the molecular beam, with the long-range interaction potential taken into account. The method of measuring correctly the differential interference angle is presented. The tendencies of the differential interference angle changing with the impact parameter and rel- ative velocity are discussed. The theoretical model presented here is important for understanding or performing the experiment in the molecular beam.展开更多
To study theoretically the relationship between the differential interference angle and the scattering angle in collisional quantum interference (CQI), we have investigated the differential interference angle of the...To study theoretically the relationship between the differential interference angle and the scattering angle in collisional quantum interference (CQI), we have investigated the differential interference angle of the atom-diatomic [case(a)] molecule system in detail. For the 2∏ electronic state in Hund's case (a), the degree of the differential interference is also discussed. The differential interference angles of NO(X^2∏) are calculated quantitatively for the rotational energy transfer in Hund's case (a) induced by collision with He, Ne and Ar atoms. The method to calculate the differential interference angle is presented. Several factors that affect the differential interference angle are investigated. Finally the variation of the differential interference angle with the impact parameter and relative velocity is discussed.展开更多
作为在一个原子硅藻系统的旋转精力转移上的导致碰撞的量干扰的进一步理论的研究,基于时间依赖者不安理论的长子近似,考虑各向异性的伦纳德·琼斯相互作用潜力和远程的相互作用潜力,在汗衫三位字节的微分干扰角度混合了公司的状...作为在一个原子硅藻系统的旋转精力转移上的导致碰撞的量干扰的进一步理论的研究,基于时间依赖者不安理论的长子近似,考虑各向异性的伦纳德·琼斯相互作用潜力和远程的相互作用潜力,在汗衫三位字节的微分干扰角度混合了公司的状态<SUP>1</SUP>∏
( v = 0 )-e<SUP>3</SUP>σ<SUP>−</SUP>( v = l )在碰撞与的系统他, Ne , Ar ,和另外的搭挡理论上被计算。包括碰撞参数乐队速度,微分干扰角度对影响参数的关系被获得。展开更多
沙国河等人在CO(A1∏(v=0)~e3∑-(v=1))体系与He, Ne 和Ar碰撞诱导转动传能中首次观测到了量子干涉效应,并测量了干涉度.从理论上进一步研究原子-双原子分子体系碰撞诱导转动传能中量子干涉效应与转动量子数以及能量间隔的关系是十分...沙国河等人在CO(A1∏(v=0)~e3∑-(v=1))体系与He, Ne 和Ar碰撞诱导转动传能中首次观测到了量子干涉效应,并测量了干涉度.从理论上进一步研究原子-双原子分子体系碰撞诱导转动传能中量子干涉效应与转动量子数以及能量间隔的关系是十分必要的.我们考虑长程相互作用势,应用一级玻恩近似和直线轨迹近似,分别计算了CO(A1∏(v=0)~e3∑-(v=1))体系和He, Ne,Ar碰撞诱导转动传能中不同转动量子数以及不同能量间隔下的干涉角,得到了干涉角随转动量子数和能量间隔的变化趋势.这些结果对设计、分析这种类型的实验有一定的指导意义.展开更多
基金Project supported by the National Natural Science Foundation of China (Grant No 10374040),
文摘Collisional quantum interference (CQI) on the intramolecular rotational energy transfer is observed in an experiment with a static cell, and the integral interference angles are measured. To obtain more accurate information, an experiment with a molecular beam is carried out, and thereby the relationship between the differential interference angle and the scattering angle is obtained. Based on the first-Born approximation of time-dependent perturbation theory, the theoretical model of CQI is developed in an atom-diatom system in the condition of the molecular beam, with the long-range interaction potential taken into account. The method of measuring correctly the differential interference angle is presented. The tendencies of the differential interference angle changing with the impact parameter and rel- ative velocity are discussed. The theoretical model presented here is important for understanding or performing the experiment in the molecular beam.
基金Project supported by the National Natural Science Foundation of China (Grant No 10374040)the Fund of the Educational Department of Liaoning Province, China (Grant No 20060347)
文摘To study theoretically the relationship between the differential interference angle and the scattering angle in collisional quantum interference (CQI), we have investigated the differential interference angle of the atom-diatomic [case(a)] molecule system in detail. For the 2∏ electronic state in Hund's case (a), the degree of the differential interference is also discussed. The differential interference angles of NO(X^2∏) are calculated quantitatively for the rotational energy transfer in Hund's case (a) induced by collision with He, Ne and Ar atoms. The method to calculate the differential interference angle is presented. Several factors that affect the differential interference angle are investigated. Finally the variation of the differential interference angle with the impact parameter and relative velocity is discussed.
基金ACKNOWLEDGMENTS This work was supported by the National Natural Science Foundation of China (No.10374040) and the Fund of the Educational Department of Liaoning Province of China (No.20060347 and No.2008290).
基金The project supported by National Natural Science Foundation of China under Grant No. 10374040 and Fund of the Department of Education of Liaoning Province of China under Grant No. 2004 F 004 . Thanks are given to Dr. Sun Meng-Tao (Department of Chemical Physics, Lund University, Lund, Sweden) due to his help in this work.
基金This work was supported by the National Natural Science Foundation of China (No.10374040) and the Educational Department of Liaoning Province (No.20060347).
文摘作为在一个原子硅藻系统的旋转精力转移上的导致碰撞的量干扰的进一步理论的研究,基于时间依赖者不安理论的长子近似,考虑各向异性的伦纳德·琼斯相互作用潜力和远程的相互作用潜力,在汗衫三位字节的微分干扰角度混合了公司的状态<SUP>1</SUP>∏
( v = 0 )-e<SUP>3</SUP>σ<SUP>−</SUP>( v = l )在碰撞与的系统他, Ne , Ar ,和另外的搭挡理论上被计算。包括碰撞参数乐队速度,微分干扰角度对影响参数的关系被获得。
文摘沙国河等人在CO(A1∏(v=0)~e3∑-(v=1))体系与He, Ne 和Ar碰撞诱导转动传能中首次观测到了量子干涉效应,并测量了干涉度.从理论上进一步研究原子-双原子分子体系碰撞诱导转动传能中量子干涉效应与转动量子数以及能量间隔的关系是十分必要的.我们考虑长程相互作用势,应用一级玻恩近似和直线轨迹近似,分别计算了CO(A1∏(v=0)~e3∑-(v=1))体系和He, Ne,Ar碰撞诱导转动传能中不同转动量子数以及不同能量间隔下的干涉角,得到了干涉角随转动量子数和能量间隔的变化趋势.这些结果对设计、分析这种类型的实验有一定的指导意义.