Improved convergence of a non-perturbative semi-classical pressure broadening model |
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| Authors: | WF Wang |
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| Institution: | a Joint Center for Earth Systems Technology, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
b Institute for Computational Science and Engineering, Ocean University of Qingdao, Shandong 266003, China |
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| Abstract: | It is shown that by including the second term of Magnus expansion, improved convergence can be achieved for the non-perturbative pressure broadening formalism proposed by Neilson and Gordon (J. Chem. Phys. 58 (1973) 4131). The present method was applied to the line broadening calculations of CO in a bath of Ar. |
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| Keywords: | Pressure broadening Magnus expansion Semi-classical Convergence CO Ar |
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