Problem 1. The Morse potential, which is often used to model interatomic forces can be written in the form U(r) = D(1-e²^(^-^))² where r is the distance between the two atomic nuclei. Determine the " "spring constant" for small displacements from equilibrium for the Morse potential.

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Problem 1.
The Morse potential, which is often used to model interatomic forces can be written in the form
U(r) = D(1-e²²(²-))²
3
wherer is the distance between the two atomic nuclei. Determine the
"spring constant" for small displacements from equilibrium for the Morse potential.
Transcribed Image Text:Problem 1. The Morse potential, which is often used to model interatomic forces can be written in the form U(r) = D(1-e²²(²-))² 3 wherer is the distance between the two atomic nuclei. Determine the "spring constant" for small displacements from equilibrium for the Morse potential.
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