PHYS 622, Introduction to Quantum Mechanics I, Fall 2016
Prof. Victor M. Yakovenko

Text: Sakurai and Napolitano "Modern Quantum Mechanics"
2nd edition, Addison Wesley Pearson, 2011, ISBN: 9780805382914

Timeline of the course

Monday and Wednesday 10 - 10:50 am and Friday 10 - 11:50 am in room PHY 1204

The text above and at the update point is the current timeline of the course. The text below the update point is a tentative schedule of the course. The update point will be moving down during the semester, and the timeline will be progressively updated.

Week 1
Monday, August 29 Introductory Lecture
Wednesday, August 31 Ch.1 Fundamental Concepts
1.1 The Stern-Gerlach Experiment
Friday, September 2 1.2 Kets, Bras, and Operators
1.3 Base Kets and Matrix Representation
1.4 Measurements
Week 2
Monday, September 5 Labor Day, no lecture
Wednesday, September 7 Spin 1/2 Systems, Pauli matrices
Friday, September 9 Problem 1.9: Spin eigenstates for an arbitrary direction n
1.5 Change of Basis, Unitary Operators
HW 1 issued: Spin 1/2 states
Week 3
Monday, September 12 Problem 1.3: Rotation operator for spin 1/2; Quaternions
Wednesday, September 14 1.5 Trace of operators; 1.4 The Uncertainty Relation
Friday, September 16 Problem 1.18: The state of minimal uncertainty
1.6 Continuous Spectra; Position Eigenkets and Position Measurements;
Translation Operator; Momentum as a Generator of Translations
1.7 Position-Space Wave Function
HW 2 issued: Uncertainty relations
Week 4
Monday, September 19 Momentum operator in position basis, Momentum-space wave function,
Fourier transform as the position-momentum basis change,
Coordinate operator in momentum basis, Generalization to 3D
Wednesday, September 21 The uncertainty relation for position and momentum,
a Gaussian wave packet as the minimal uncertainty state,
The uncertainty relation for time and frequency
Friday, September 23 Ch.2 Quantum Dynamics
2.1 Time-evolution and the Schodinger equation, Energy eigenkets,
Spin precession, Neutrino oscillations, Energy-time uncertainty relation
HW 3 issued: Quantum dynamics
Week 5
Monday, September 26 2.2 The Schrodinger vs. the Heisenberg Picture, Heisenberg Equations of Motion
Wednesday, September 28 Classical Hamilton's Equations of Motion, Poisson Brackets vs. the Commutator,
Ehrenfest's Theorem, Virial Theorem
Friday, September 30 2.3 Simple Harmonic Oscillator, Creation and Annihilation Operators,
Time Dynamics, Coherent States
HW 4 issued: Simple harmonic oscillator
Week 6
Monday, October 3 Over-completeness and physical interpretation of coherent states;
2.4 Schrodinger's wave equation; Probability density and probability current
Wednesday, October 5 Equations for the amplitude and phase of the wave function;
The Hamilton-Jacobi equation for the phase in the classical limit;
An excursion into quantum field theory
Friday, October 7 2.5 The WKB (semiclassical) Approximation; Tunneling through a barrier;
The Bohr-Sommerfeld quantization rule
HW 5 issued: The WKB approximation
Week 7
Monday, October 10 Number of quantum states within phase-space volume;
The energy density of states
Wednesday, October 12 Stationary-phase approximation for a linear potential;
The WKB connection formulas around the turning point
Friday, October 14 2.6 Propagators and Feynman Path Integrals
Week 8
Monday, October 17 2.7 Potentials and Gauge Transformations; Constant potentials;
Gravity in quantum mechanics; Gauge transformations in electromagnetism
Wednesday, October 19 Intro to non-Abelian gauge theories (quantum chromodynamics)
The Aharonov-Bohm effect
HW 6 issued: Electromagnetic field and gauge transformations
Friday, October 21 Magnetic flux quantum; Magnetic Monopole; Vortices in superconductors
Motion in uniform magnetic and electric fields
Week 9
Monday, October 24 Landau levels; Degeneracy and filling factor; The quantum Hall effect
Wednesday, October 26 Ch.3 Theory of Angular Momentum
Action as a function of the final coordinates; Linear momentum, Hamiltonian, and angular momentum
as the generators of translation in space and time, and space rotation
Friday, October 28 3.1 Rotations on sphere; The general commutation relation between generators of rotations;
3x3 matrix representation of rotations of 3-vectors; Spin 1 of a photon with circular polarization
HW 7 issued: Theory of Angular Momentum
Week 10
Monday, October 31 3.2 Spin 1/2 systems; Pauli 2-component formalism; Rotations in the 2-component formalism;
Spin precession revisited; Neutron interferometry experiment to confirm 4pi periodicity;
Feynman's demonstration of 4pi periodicity
Wednesday, November 2 3.3 SO(3), SU(2), and Euler rotations
Friday, November 4 Midterm Exam in class covering Chapters 1 and 2 open book, proctored by Prof. Jay Sau.
Prof. Yakovenko is away to Boston.
Week 11
Monday, November 7 3.5 Eigenvalues (j,m) and eigenstates of angular momentum operators J^2 and J_z;
Commutation relations and ladder operators; Matrix elements of J+ and J-;
Irreducible representations of the rotation operator
Wednesday, November 9 3.6 Orbital angular momentum as rotation generator
HW 8 issued: Theory of Angular Momentum
Friday, November 11 3.6 Spherical harmonics, as rotation matrices
Week 12
Monday, November 14 3.7 Schrodinger's Equation for Central Potentials; The radial equation;
The free particle, the spherical Bessel functions, and the infinite spherical wall
Wednesday, November 16 The isotropic harmonic oscillator; The Coulomb potential and the hydrogen atom
Friday, November 18 3.8 Addition of Angular Momenta;
Addition of spins 1/2 and 1/2, singlet and triplet, hyperfine energy splitting of the hydrogen atom;
Addition of j=1 and j=1
Week 13
Monday, November 21 Addition of orbital L and spin S angular momenta;
Recursion relations for the Clebsch-Gordan coefficients
HW 9 issued: Addition of Angular Momentum
Wednesday, November 23 Thanksgiving Holiday, no lecture
Friday, November 25 Thanksgiving Holiday, no lecture
Week 14
Monday, November 28 3.9 Schwinger's Oscillator Model of Angular Momentum
Explicit Formula for Rotation Matrices
Wednesday, November 30 3.11 Tensor Operators
Vector Operator; Cartesian Tensors vs. Irreducible Spherical Tensors
Friday, December 2 Product of Tensors; Matrix Elements of Tensor Operators; The Wigner-Eckart Theorem
HW 10 issued: Spherical Tensors
Week 15
Monday, December 5 Ch.4 Symmetry in Quantum Mechanics
4.1 Symmetries, Conservations Laws, and Degeneracies, in classical and quantum mechanics;
4.2 Parity or Space Inversion, in geometry
Wednesday, December 7 Transformation of the coordinate, momentum, and angular momentum operators upon time reversal;
Polar and axial vectors, pseudoscalars; Wave Functions (of angular momentum) Under Parity;
Symmetric Double-Well Potential, NH3 molecule; Non-centrosymmetric, chiral (optical isomers), and polar molecules
Friday, December 9 Parity Selection Rule; Parity Nonconservation in Weak Interactions; Helicity of Neutrinos;
4.4 The Time-Reversal Symmetry; Antiunitary Operators; Transformation of wave functions
and the coordinate, momentum, and angular momentum operators upon time reversal
Week 16
Monday, December 12
update point
Time Reversal for a Spin 1/2 System; Interaction with Electric and Magnetic Fields; Kramers Degeneracy;
4.3 Lattice Translation as a Discrete Symmetry; Tight-binding approximation; Ring molecules
Final Exam
Tuesday, December 20 8-10 am, Room 1204; Open book exam - you can use the textbook and your notes.

Last updated December 12, 2016