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One approach to adiabatic population transfer by Hückel molecular orbital theory

✍ Scribed by Y. Ohta; H. Kizu; A. Yamada; T. Yoshimoto; K. Nishikawa

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
624 KB
Volume
75
Category
Article
ISSN
0020-7608

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✦ Synopsis

To achieve the selective population transfer to the specific excited state of molecules, the delayed-pulse method developed in the three-level system is more attractive and effective than the ordinary -pulses method. However, two pulses in this adiabatic method are in a counterintuitive order and are significantly overlapped, so that it is very difficult to understand the physical meanings of the dynamical process. Here we develop the effective method to understand the adiabatic processes in a pictorial and easy way by using the concept ofthe Huckel molecular orbital theory. Then we investigate ẗhe complete population transfer in the four-level system in detail.

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