Ph 652   Quantum Mechanics II

Physics Department, Oregon State University

Winter 2021 term

Instructor: Oksana Ostroverkhova (Wngr 413)
Lectures: MWF 9am, Zoom
Course Information
(pdf file) 

DateLectures AssignmentsNotes
01/04 Motion in central potentials. (notes)      
01/06 Two-body problem. (notes)Orbital angular momentum. HW 1 (solutions)    
01/08 Ladder operators. (notes)   WS 1  
01/11 Rotation of diatomic molecules.(notes) HW 2 (solutions) WS 2 PRL2004 for HW2
01/13 Hydrogen atom.(notes) HW 3 (solutions) WS 3  
01/15 Hydrogen-like atoms and ions.(notes) HW 4 (solutions)  
01/18 Martin Luther King   day  
01/20 Other examples of particles in spherically-symmetric potentials. (notes)   WS 4  
01/22 Angular momentum and rotations. (notes)   WS 5    
01/25 Rotations in the state space. (notes) HW 5(solutions) WS 6  
01/27 Spin (notes)   WS 7  
01/29 Tensor products. (notes)   WS 8  
02/01 Rotations in the spin space.(notes)   WS 9 4 Pi Rotations(PRL 1975)
02/03 Representations of the rotation operator. (notes)   WS 10  
02/05 Spherical harmonics as rotation matrices. (notes) HW 6(solutions)  
02/08 Addition of angular momenta.(notes)   WS 11
02/10 Examples of addition of angular momenta. (notes) WS 12
02/12 Addition of angular momenta: general formalism.(notes)    
02/15 Spectroscopic notations. (notes) WS 13
02/17 Midterm(solutions)  
02/19 Addition of more than 2 angular momenta. Rotation matrices for coupling two angular momenta. (notes) HW 7(solutions) WS 14
02/22 Scalar, vector and tensor operators. Properties of spherical tensors. (notes)   WS 15
02/24 Properties of spherical tensors (ctd).(notes) HW 8(solutions) WS 16
02/26 Wigner-Eckart theorem.(notes)  
03/01 Time-independent perturbation theory: non-degenerate case.(notes) HW 9(solutions)  
03/03 Time-independent perturbation theory: non-degenerate vs degenerate case.(notes)   WS 17
03/05 Applications of time-independent perturbation theory: fine structure of the hydrogen atom.(notes)   WS 18
03/08 Applications of time-independent perturbation theory: fine structure of the hydrogen atom (ctd).   WS 19
03/10 Applications of time-independent perturbation theory: hyperfine structure of the hydrogen atom.(notes)    
03/12 Applications of time-independent perturbation theory: effect of external magnetic fields on the hydrogen atom.(notes)    
03/18 Final Exam     --> Final Exam   (Thu, 03/18, 9:30 AM, remote)