Click on one of the plots below to see results of calculation 
Potential 
Energy 
Mass 
Short description 

Dexp[–a(r–r_{e})] {exp[–a(r–r_{e})]–1}D = 1ev, a = 2.5, r_{e} = 2^{1/6} 
1.6 
1 
Morse potential from a paper of Knudson et al., 1985 

exp(–0.04 r^{2}) 
1.3 
20 
Gaussian repulsive potential 

–exp(–0.04 r^{2}) 
0.3 
20 
Gaussian attractive potential 

exp(–0.04 r^{2}) 
1.001 
20 
near the barrier 

exp(–0.04 r^{2}) 
0.7 
20 
below the barrier 

0.1 r^{2}exp(–0.04 r^{2}) 
1 
20 
Gaussian multiplied by r^2 

0.1 r^{2}exp(–0.04 r^{2}) 
2 
20 
modified Gaussian, larger energy 

–0.1 r^{2}exp(–0.04 r^{2}) 
2 
20 
inverted modified Gaussian, larger energy 

exp(–0.04 r^{2}) 
3 
20 
Gaussian repulsive potential, large energy 

–exp(–0.04 r^{2}) 
3 
20 
Gaussian attractive potential, large energy 

–exp(–0.2 r)/r 
0.3 
20 
Yukawa potential 

cos(r) exp(–0.04 r^{2}) 
2 
20 
Oscillating Gaussian potential 

–cos(r) exp(–0.04 r^{2}) 
2 
20 
Inverted oscillating Gaussian potential 

exp(–r^{2}) 
1.3 
80 
Potential from M. Herman's notes 

exp(–0.2 r)/r 
1 
20 
Repulsive Yukawa potential 