Question 1
In time-independent perturbation theory, what is the main purpose of the perturbation Hamiltonian $H'$?
Question 2
What is the first-order correction to the energy for a degenerate state given by?
Question 3
Which of the following statements is true regarding the first-order wavefunction correction in non-degenerate perturbation theory?
Question 4
When applying degenerate perturbation theory, what is the first step to resolve degeneracy?
Question 5
In the context of perturbation theory, what does the term 'non-degenerate' refer to?
