Editing Wei potential
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The '''Wei potential''' is given by (Eq. 7 in <ref>[http://dx.doi.org/10.1103/PhysRevA.42.2524 Wei Hua "Four-parameter exactly solvable potential for diatomic molecules", Physical Review A '''42''' pp. 2524-2529 (1990)]</ref>): | The '''Wei potential''' is given by (Eq. 7 in <ref>[http://dx.doi.org/10.1103/PhysRevA.42.2524 Wei Hua "Four-parameter exactly solvable potential for diatomic molecules", Physical Review A '''42''' pp. 2524-2529 (1990)]</ref>): | ||
:<math>\Phi(r) = D_e \left[ \frac{1-e^{-b(r-r_e)} }{1-ce^{-b(r-r_e)}} \right]^2, ~~ ~~ ~~ |c| | :<math>\Phi(r) = D_e \left[ \frac{1-e^{-b(r-r_e)} }{1-ce^{-b(r-r_e)}} \right]^2, ~~ ~~ ~~ |c| \lt 1</math> | ||
with | with |