Ph 651   Quantum Mechanics I

Physics Department, Oregon State University

Fall 2024 term

Instructor: Oksana Ostroverkhova (Wngr 413)
Lectures: MWF 9am, Weniger 304
Course Information
(pdf file) 


DateLectures AssignmentsNotes
09/25 Problems with classical theory and emergence of quantum mechanics. (notes)   WS 1 papers: 1, 2, 3
09/27 Wave aspects of matter. (notes) Linear spaces. HW 1 (solutions)  
09/30 Linear spaces (ctd.). Hilbert space. Dirac notation. Bra-ket algebra. (notes)   WS 2
10/02 Operators. Properties of operators. (notes) HW 2 (solutions) WS 3
10/04 Commutators. (notes)   WS 4
10/07 Projection operator. Matrix representation.(notes) HW 3 (solutions) WS 5
10/09 Measurements. Eigenvalues and expectation values. (notes) Nobel Prize in Physics 2024 awarded to Hopfield and Hinton for discoveries enabling machine learning with artificial neural networks ! WS 6
10/11 Measurements: non-degenerate vs degenerate eigenvalues. (supplement) HW 4 (solutions) WS 7
10/14 Compatible observables. Uncertainty relations. (notes)    
10/16 Complete sets of commuting observables. (notes)   WS 8
10/18 Infinitesimal and finite unitary trasformations.(notes)   WS 9
10/21 Translation in space. Position, momentum, and translation. (notes) HW 5 (solutions)  
10/23 Translation in space. Position, momentum, and translation. (ctd)   WS 10
10/25 Momentum operator in the position basis.(notes)   WS 11
10/28 Gaussian wave packets.(notes)   WS 12
10/30 Time evolution of the system.(notes)   WS 13
11/01 Time evolution of expectation values. The virial theorem.(notes)    
11/04 Midterm   (9 am, Weniger 304)    
11/06 The Schroedinger versus the Heisenberg picture.(notes)   WS 14
11/08 Time-dependent and time-independent Schroedinger equation.(notes) HW 6 (solutions) WS 15
11/11 No class: Veteran's Day     
11/13 Time-dependent and time-independent Schroedinger equation (ctd).   WS 16
11/15 Energy quantization.(notes) HW 7 (solutions) WS 17
11/18 Interpretations of the wave function. Scattering in 1D.Tunneling through potential barriers.(notes)   WS 18
11/20 Parity operator. Symmetric potentials and parity.(notes)     STM Nature Physics
11/22 Harmonic oscillator (coordinate representation). (notes) HW 8 (solutions) WS 19 papers: 1, 2
11/25 Harmonic oscillator (number representation). (notes)   WS 20
11/27 Uncertainty relations for harmonic oscillator.(notes) HW 9 (solutions) 
11/29 no class: Thanksgiving    
12/02 Time development of the oscillator.(notes above)    
12/04 The classical limit. (notes)     PRL1998-WKB
12/06 WKB approximation.(notes)Conceptual and philosophical problems of QM. (notes) Final Exam: Thursday December 12, 10 am (Weniger 304) Check out papers related to Bell's inequality and EPR paradox ! Bell-Compact,
Sci07-entanglement,
Nat07-Bell, RPP1978-Bell,
Nat03-EPR, Sci03-Bell,
Sci05-EPR, PRB1935-Bohr,
PRB1935-EPR,