Laser-induced quadrupole–quadrupole collisional energy transfer in Xe–Kr

doi:10.1088/1674-1056/20/6/063202

Abstract By considering the relative velocity distribution function and multipole expansion interaction Hamiltonian, a three-state model for calculating the cross section of laser-induced quadrupole-quadrupole collisional energy transfer is presented. Calculated results in Xe-Kr system show that in the present system, the laser-induced collision process occurs for ~4 ps, which is much shorter than the dipole-dipole laser-induced collisional energy transfer (LICET) process. The spectrum of laser-induced quadrupole-quadrupole collisional energy transfer in Xe-Kr system has wider tunable range in an order of magnitude than the dipole-dipole LICET spectra. The peak cross section decreases and moves to the quasi-static wing with increasing temperature and the full width at half peak of the profile becomes larger as the system temperature increases.

Keywords: laser-induced collisional energy transfer collisional cross section Xe-Kr system

Received: 23 November 2010
Revised: 27 December 2010
Accepted manuscript online:

PACS:	32.70.Jz	(Line shapes, widths, and shifts)
	34.50.-s	(Scattering of atoms and molecules)

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Lu Zhen-Zhong (鲁振中), Chen De-Ying (陈德应), Fan Rong-Wei (樊荣伟), Xia Yuan-Qin (夏元钦) Laser-induced quadrupole–quadrupole collisional energy transfer in Xe–Kr 2011 Chin. Phys. B 20 063202

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Laser-induced quadrupole–quadrupole collisional energy transfer in Xe–Kr

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