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Report No.

Theoretical study on isotope-selective excitation of diatomic molecules by a terahertz frequency comb

Ichihara, Akira; Matsuoka, Leo; Kurosaki, Yuzuru; Yokoyama, Keiichi

Computer simulations were performed for studying isotope-selective excitation of lithium chloride using a terahertz frequency comb. The time evolution of rovibrational population was calculated by the close-coupling method. The $$^7$$Li$$^{35}$$Cl molecule was excited selectively in gaseous mixture of $$^7$$Li$$^{35}$$Cl and $$^7$$Li$$^{37}$$Cl by adjusting pulse parameters. Moreover, the wave packet calculations were performed to investigate the dissociation process. More than half of $$^7$$Li$$^{35}$$Cl in the rovibrational state (v=0, J=150) were dissociated by the second pulse.



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