PHYS 622, Introduction to Quantum Mechanics I, Fall 2018
Prof. Victor M. Yakovenko

Sakurai and Napolitano "Modern Quantum Mechanics" 2nd edition
Cambridge University Press, 2017, ISBN: 978-1-108-42241-3
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 ATL 1113

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 27 Introduction and Class Logistics
Ch.1 Fundamental Concepts
1.1 The Stern-Gerlach Experiment
Wednesday, August 29 1.2 Kets, Bras, Inner product; 1.3 Base Kets 1.4 Measurements and Observables
HW 1 issued: Spin-1/2 States, due Wed Sep 12
Friday, August 31 1.2 Outer product, Operators, Hermitian adjoint; 1.3 Matrix Representation
1.4 Spin 1/2 Systems, Pauli matrices, Quaternions
Problem 1.9: Spin eigenstates for an arbitrary direction n
Week 2
Monday, September 3 Labor Day, no lecture
Wednesday, September 5 1.4 (In)compatible Observables and (Non)commuting Operators;
Sequential Stern-Gerlach measurements; The Uncertainty Relation
Prof. Yakovenko is away, substituted by Prof. Maissam Barkeshli
Friday, September 7 1.5 Change of Basis, Unitary Operators
1.6 Continuous Spectra; Position Eigenkets and Position Measurements;
Translation operator; Generator of translations; Commutator with position operator;
Generator of translations as momentum operator; Finite translations
Prof. Yakovenko is away, substituted by Prof. Maissam Barkeshli
Week 3
Monday, September 10 1.7 Position-Space Wave Function; Momentum operator in position basis;
Momentum-space wave function; Fourier transform as the position-momentum basis change; Generalization to 3D
HW 2 issued: Uncertainty Relation, due Mon Sep 17
Wednesday, September 12 1.7 Coordinate operator in momentum basis;
A Gaussian wave packet as the state of minimal uncertainty (Problem 1.18)
The uncertainty relation for position and momentum vs. time and frequency
Friday, September 14 Ch.2 Quantum Dynamics
2.1 Time-Evolution Operator; Hamiltonian as the generator of time translation;
Schodinger's equation; Energy Eigenkets;
Spin precession; Neutrino oscillations
Week 4
Monday, September 17 2.1 Correlation Amplitude; Energy-Time Uncertainty Relation
2.2 The Schrodinger vs. the Heisenberg Picture
HW 3 issued: Quantum dynamics, due Mon Sep 24
Wednesday, September 19 2.2 Heisenberg Equations of Motion; Hamilton's Equations of Motion;
Poisson Brackets vs. the Commutator; Ehrenfest's Theorem; Virial Theorem
HW 4 issued: Simple harmonic oscillator, due Wed Oct 3
Friday, September 21 2.3 Simple Harmonic Oscillator; Creation and Annihilation Operators;
Energy spectrum; Wave Functions; Time Development of Harmonic Oscillator
Week 5
Monday, September 24 2.3 Coherent states of a harmonic oscillator: physical interpretation and over-completeness
Wednesday, September 26 2.4 Time-dependent and time-independent Schrodinger's equation;
Probability density and probability current;
Equations for the amplitude and phase of the wave function;
The Hamilton-Jacobi equation for the phase in the classical limit
Prof. Yakovenko is away, substituted by Prof. Maissam Barkeshli
Friday, September 28 2.5 The Linear Potential; The semiclassical WKB Approximation; Connection at a turning point;
The Bohr-Sommerfeld quantization rule; Tunneling through a barrier
Prof. Yakovenko is away, substituted by Prof. Maissam Barkeshli
Week 6
Monday, October 1 2.5 Number of quantum states within a phase-space volume; The energy density of states
Wednesday, October 3 2.4 Bound states of a semi-infinte square-well potential in 1D
HW 5 issued: Schrodinger's equation and WKB approximation, due Wed Oct 10
Friday, October 5 2.6 Propagators and Feynman's Path Integrals; Principle of minimal action in the classical limit;
Propagator of a free particle; Schrodinger's equation derived from path integral
Week 7
Monday, October 8 Action as a function of the final coordinates; WKB derived from path integral;
Intro to functional integrals in the quantum field theory
Wednesday, October 10 2.7 Potentials and Gauge Transformations; Constant potentials; Gravity in quantum mechanics;
Gauge Transformations in Electromagnetism
Friday, October 12 2.7 Gauge Transformations in Quantum Mechanics;
Action in the presence of electromagnetic field;
Intro to non-Abelian gauge theories (quantum chromodynamics);
The Aharonov-Bohm effect; Magnetic flux quantum
HW 6 issued: Electromagnetic field and gauge transformations, due Mon Oct 22
Week 8
Monday, October 15 2.7 Particle on a ring with a magnetic flux; Magnetic Monopole
Wednesday, October 17 Midterm Exam in class covering Ch. 1 and Sections 2.1-2.5 of Ch. 2, open book
Friday, October 19 2.7 Motion in uniform magnetic and electric fields; Landau levels;
Degeneracy and filling factor; The quantum Hall effect;
Corbino disk & Laughlin's argument: charge transfer vs. magnetic flux change
Week 9
Monday, October 22 Vortices in superconductors
Ch.3 Theory of Angular Momentum
Momentum, Hamiltonian, and Angular Momentum as the generators
of space and time translation and space rotation
HW 7 issued: Theory of Angular Momentum, due Mon Oct 29
Wednesday, October 24 3.1 Rotations on a sphere; Commutation relation between generators of rotations;
3x3 matrix representation of rotations of 3-vectors
Friday, October 26 Spin 1 of a photon with circular polarization 3.2 Spin 1/2 systems;
Pauli 2-component formalism; Rotations in the 2-component formalism;
Feynman's demonstration of 4pi periodicity; 4pi periodicity in neutron interferometry
Week 10
Monday, October 29 3.3 SO(3), SU(2), and Euler rotations
HW 8 issued: Theory of Angular Momentum, due Mon Nov 5
Wednesday, October 31 3.5 Eigenvalues (j,m) and eigenstates of J^2 and J_z;
Commutation relations and ladder operators; Matrix elements of J+ and J-
Friday, November 2 3.5 Irreducible representations of the rotation operator
3.6 Orbital angular momentum as a generator of rotations;
Transformation to spherical coordinates (Schwabl 5.1, 5.3); Spherical harmonics
Week 11
Monday, November 5 3.6 Spherical harmonics for l=1 in terms of x, y, z; Spherical Harmonics as
Rotation Matrices 3.7 Schrodinger's Equation for Central Potentials; Kinetic energy in terms of angular momentum
HW 9 issued: Angular Momentum and Central Potential, due Mon Nov 12
Wednesday, November 7 3.7 The Radial Equation; The spherical Bessel functions; The infinite spherical wall
Friday, November 9 3.7 The isotropic harmonic oscillator; The Coulomb potential and the hydrogen atom
3.8 Addition of Angular Momenta; Addition of spins 1/2 and 1/2, singlet and triplet
Week 12
Monday, November 12 3.8 Hyperfine energy splitting of the hydrogen atom; Addition of j=1 and j=1;
Addition of orbital L and spin S angular momenta
HW 10 issued: Addition of Angular Momenta, due Mon, Nov 19
Wednesday, November 14 3.8 Addition of L and S=1/2; Spin-angular functions; Spin-orbital interaction;
Fine structure (splitting) of energy levels in j; Exchange symmetry
for indistinguishable particles; Exchange interaction between electrons
Friday, November 16 3.8 Recursion relations for the Clebsch-Gordan coefficients;
3.9 Schwinger's Oscillator Model of Angular Momentum;
Explicit Formula for Rotation Matrices
Week 13
Monday, November 19 3.8 Clebsch-Gordan Coefficients and Rotation Matrices;
3.11 Tensor Operators; Irreducible Tensors
HW 11 issued: Spherical Tensors, due Mon, Dec 3
Wednesday, November 21 Thanksgiving Holiday, no lecture
Friday, November 23 Thanksgiving Holiday, no lecture
Week 14
Monday, November 26 3.11 Vector Operator; Cartesian vs. Spherical Tensors
Wednesday, November 28 3.11 Product of Tensors; Gravitational wave of the rank-2 symmetric
metric tensor; Quadrupolar polarization and spin 2 of gravitational waves;
Matrix Elements of Tensor Operators; Wigner-Eckart Theorem;Projection Theorem
Friday, November 30 Ch.4 Symmetry in Quantum Mechanics
4.1 Symmetries, Conservations Laws, and Degeneracies, in classical
and quantum mechanics; SO(4) Symmetry of the Coulomb Potential;
4.2 Parity or Space Inversion, Polar and axial vectors, Pseudoscalars;
Wave Functions Under Parity; Symmetric Double-Well Potential; NH3 molecule
Week 15
Monday, December 3 4.2 Spin-orbit interaction with and without inversion symmetry;
Spherical functions Ylm under parity; Parity Selection Rule;
Electric dipole and magnetic dipole transitions
HW 12 issued: Symmetry, due Mon Dec 10
Wednesday, December 5 Non-centrosymmetric, polar, and chiral (optical isomers) molecules, monochirality in biology;
Parity Nonconservation in Weak Interactions; Helicity of neutrinos; CP symmetry
Friday, December 7 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 10
update point
4.4 Time Reversal for Spin 1/2; Kramers Degeneracy; Coupling to Electric and Magnetic Fields
3.10 Entangled States 3.4 Density Operator; Pure versus Mixed Ensembles
Home Reading: 4.3 Lattice Translation as a Discrete Symmetry; Tight-binding approximation
Final Exam
Tuesday, December 18 8-10 am, ATL 1113; Chapters 3 and 4; open book.

Last updated December 10, 2018