Homework Statement
Consider the spherical well such that V(r<a) = -V0 and V(r≥a) = 0. Calculate the l = 0 partial wave scattering cross section in the low energy limit for this potential.
Homework Equations
σ = \frac{4 \pi}{k^2} * \Sigma (2l+1)*sin^2(\delta_l)
The Attempt at a...
Homework Statement
The magnetic moment for an electron is \mue = -e/m Se.
The magnetic moment for a positron is \mue = +e/m Se.
In the ground state, the quantum numbers are n=1 and l=0.
a) What is the physical mechanism for the Zeeman shift?
b) Write the Hamiltonian and identify H0 and...