典型文献
Dynamics of molecular alignment steered by a few-cycle terahertz laser pulse
文献摘要：
The field-free alignment of molecule ClCN is investigated by using a terahertz few-cycle pulse(THz FCP)based on the time-dependent density matrix theory.It is shown that a high degree of molecular alignment can be obtained by changing the matching number of the THz FCPs in the adiabatic regime and the non-adiabatic regime.The matching number can affect both the maximum value of the alignment and the time at which it is achieved.It is also found that a higher degree of alignment can be achieved by using the THz FCP at lower intensity and there exists an optimal threshold of molecular alignment with the increase of the field amplitude.Also found is the frequency sensitive region in which the degree of maximum alignment can be enhanced greatly by modulating the center frequencies of different THz FCPs.The investigation demonstrates that comparing with a THz single-cycle pulse,a better result of the field-free alignment can be created by a THz FCP at a constant rotational temperature of molecule.
文献关键词：
中图分类号：
作者姓名：
Qi-Yuan Cheng;Yu-Zhi Song;Deng-Wang Li;Zhi-Ping Liu;Qing-Tian Meng
作者机构：
Medical Engineering Department,Shandong Provincial Hospital Affiliated to Shandong First Medical University,Jinan 250021,China;School of Physics and Electronics,Shandong Normal University,Jinan 250358,China;Shandong Laibo Biotechnology Co.,Ltd.,Jinan 250101,China;School of Control Science and Engineering,Shandong University,Jinan 250061,China
文献出处：
引用格式：
[1]Qi-Yuan Cheng;Yu-Zhi Song;Deng-Wang Li;Zhi-Ping Liu;Qing-Tian Meng-.Dynamics of molecular alignment steered by a few-cycle terahertz laser pulse)[J].中国物理B（英文版）,2022(10):424-430
A类：
ClCN,FCPs
B类：
Dynamics,molecular,alignment,steered,by,few,cycle,terahertz,laser,pulse,field,free,molecule,investigated,using,THz,dependent,density,matrix,theory,It,shown,that,degree,can,obtained,changing,matching,number,adiabatic,regime,affect,both,maximum,value,which,achieved,also,found,higher,lower,intensity,there,exists,optimal,threshold,increase,amplitude,Also,frequency,sensitive,region,enhanced,greatly,modulating,center,frequencies,different,investigation,demonstrates,comparing,single,better,result,created,constant,rotational,temperature
AB值：
0.427207
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