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Investigating the Selective Control of Photoassociation of Y
来源：未知作者：清凉风日期：2022/01/14 浏览：
Research Article | Open Access
Junxia Cheng, Bo Tian, Siyu Li, Jia Wang, Shenjiang Wu*. Investigating the Selective Control of Photoassociation of Yb2[J]. International Journal of Optics, 2021, 2021: 6859330 (SCI:000698432400002 ) https://doi.org/10.1155/2021/6859330
Abstract：The selective control of photoassociation of Yb, is investigated in theory.Based on ab initio to rationalize Franck-Condonfiltering, the optimal target states of photoassociation have been obtained. The corresponding vibrational transitions from X't.to the excited state(A 'z ,B'Ip. C'y , and D'П.) areV'=23,50,55,and 0,respectively.By using quantum wave packet dynamicmethods, we calculated the yields with time evaluation for the selected target states. The projections of time-dependent wavefunctions of initial states on the target vibrational eigenstates reflected the synthetic yields of Yb).For target A'>,* , we usedGaussian pulse to make the yield of v' =23 up tb 97% at 725fs. After a laser pulse, the positive chirp promoted the yield ofvibrational states to increase, but the negative chirp inhibited its decrease.For theD'II state, when laser intensity is 1.0xi0o"+wlcm , the purity and yield of target state v'=0 reached the maximum at 1350 fs. That is to say, changing the laser parameters andpulse shapes could control the photochemical reaction along our desired direction. These conditions will provide an importantreference and suggest a scheme for a feasible photoassociation of further experimental and theoretical research studies. Currentstudy may promote an important step toward the realization of highly accurate quantum manipulation and materia
synthesis.
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