Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 132, Issue 24, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3458913
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Funding
- National Natural Science Foundation of China [10974024, 20633070]
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We demonstrate theoretically an efficient field-free orientation in LiH and LiCl driven by available terahertz few-cycle pulses (TFCPs). Exact results by numerically solving the time-dependent Schrodinger equation including the vibrational and rotational degrees of freedom are compared to the rigid-rotor approximation (RRA) as well as to the impulsive approximation (IA), and the effect of rotational-vibrational coupling on the both RRA and IA is examined in detail. We find that the current available TFCPs may overcome the technical limitation of terahertz half-cycle pulse for enhancing the field-free molecular orientation. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3458913]
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