U(x,y)=Asin(pi*x/Lx) + Bcos(pi*y/Ly) where A,B,Lx,Ly are positive
1 Locate all the stationary points (i.e. minima, maxima and transition states
(TS)) for this potential.
a. What is the periodicity of U(x,y) along the two directions?
b. Derive the TS barriers that an atom diffusing on...