Scattering contributions to the internal partition function of a diatomic molecular system
B Talukdar M Chatterji P Banerjee
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An analytical expression for the phase shift contribution to the internal partition function for the Morse potential is derived by using an approximate Jost function. This function is shown to be a convergent sum. The numerical results obtained for H2 and HCl show the partition function to be a monotonically increasing function of temperature. This observation agrees with the results of Rogers and co-workers.
B Talukdar1 M Chatterji1 P Banerjee1
Volume 97, 2023
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