PHYS3021 Quantum Mechanics I (2017-18 Term 1)
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PHYS3021 Quantum Mechanics I (2017-18 Term 1)
(Download Area)



Front Matter
  • Front Matter - Guidelines and Assessment Modes
  • REVISED Course Time Table (8 Sept 2017) - TA contacts and consultation hours and Class Times
  • Course Time Table - TA contacts and consultation hours and Class Times
  • List of Books


  • Lecture Notes
  • Chapter 0 - Overview [Why learning QM and Where we are going]
  • Chapter I Part 1 - Appreciating Planck's work on Thermal Radiation
  • Chapter I Part 1 - corrected one typo
  • Chapter I Part 2 - Einstein's model of solid, Photoelectric effect, Compton scattering - Particle Nature of Light
  • Chapter I Part 3 - Two-slit experiments using light reveal key ideas of microscopic world
  • Chapter I Part 4 - Wave nature of particle, two-slit experiments using electrons revealed the need of wave description, wavefunction and its interpretation
  • Chapter II Part 1 - The Wave Function and the Wave Equation (What to expect of the wave function based on physics)[Updated]
  • Chapter II Part 2 - Wave description leads to the Uncertainty Relation via the mathematics of waves
  • Chapter II Part 3 (Preliminary Version) - Getting to the Wave Equation (What does a wave equation do and what to expect of a free particle?)
  • Chapter II Part 4 - The Time-dependent Schrodinger Equation (1D, 2D, 3D forms)
  • Chapter III - Solving Time-dependent Schrodinger Equation (How far can we go for U=U(x) only and how to solve initial value problems?)
  • Chapter IV Part 1 - Essential Mathematics to Move on - Operators, Linear Operators, Ordering of Operators, Eigenvalue Problems
  • Chapter IV Part 2 - TISE is an Eigenvalue Problem and a Recipe to write down the Hamiltonian
  • Chapter IV Part 3 (Lead Sheets) - A cultural running through of Newtonian, Lagrangian and Hamiltonian Mechanics
  • Chapter IV Part 3a - A quick run through on Classical Mechanics - Newtonian Mechanics
  • Chapter IV Part 3 - Animations in powerpoint pages
  • Chapter IV Part 3B - A run quick through classical Mechanics - Lagrangian and Hamiltonian Mechanics
  • Chapter IV Part 4 - Dirac did QM by imposing commutation relation (a brief introduction) and How to quantize EM fields conceptually
  • Chapter IV Part 5 - QM operators constructed systematically and Measurement Postulates
  • Intermission Chapter -- Review on Concepts and A summary for self-study
  • Chapter V Part 1 - Particle-in-a-1D-Box Problem - Standard (Baby Level) Treatment and much more QM to learn from it
  • Lead Sheet 1 - Quantum Physics and Quantum Mechanics in Particle-in-a-box problem
  • Chapter V Part 2 - Quantum confinement, curly functions have higher KE, think computationally, symmetry of U(x) matters, bound states
  • Chapter V Part 3 - Orthogonality and other properties of eigenfunctions
  • Lead Sheet 2 - Expectational value - Uncertainty - Evaluating probabilities of different outcomes
  • Chapter V Part 4 - Expectation Values and Uncertainty - What are they operationally and conceptually?
  • Chapter V Part 5 - Coefficients in expansion give probabilities of outcomes
  • Chapter V Part 6 - Stationary states - time evolution of expectation value - boundary condition for slope
  • Chapter VI Part 1 - 1D Finite Square Well
  • Chapter VI Part 2 - 1D Harmonic Oscillator - The problem and Key Features of Solutions
  • Chapter VI Appendix A - Series solutions to oscillator TISE and Hermite polynomials
  • Chapter VI Part 3 (OPTIONAL) - Harmonic Oscillator - Operator Method
  • Chapter VII - The Schrodinger Equation in High Dimensions and Key Features
  • Chapter VIII Part 1 - Spherically Symmetric Problems (Spherical Coordinates, TISE, Separation of Variables and Spherical Harmonics)
  • Chapter VIII Appendix A - The theta equation - Legendre Polynomials - Associated LP - Spherical Harmonics
  • Chapter VIII Part 2 - General energy eigenvalues, the angular part solutions and orbital angular momentum
  • Chapter VIII Part 3 - 3D Rigid Rotor and Summary
  • Chapter IX Part 1 - Hydrogen Atom - Atomic Orbitals - Probability Density - Radial distribution function
  • Chapter IX Supplementary Figures - Figures in Part 1
  • Appendix (Optional) - Solutions to Radial Equation and Key Features of H-atom Results
  • Chapter IX Part 2 - Hydrogen Atom - Bohr model versus QM
  • Chapter X Part 1 - More on Operators - Hermitian Operators
  • Chapter X Part 2 - General Uncertainty Relation between two QM operators
  • Chapter X Part 3 (Complete) - General QM Angular Momentum Eigenvalue Problems - Operator Method
  • Chapter X Part 4 - Postulates of Quantum Mechanics (taken from three books)
  • Chapter XI Part 1 - Angular Momentum - Magnetic Dipole Moment - Inhomogeneous B-field - Stern Gerlach experiment
  • Chapter XI Part 2 - Electron Spin Angular Momentum - spin-half particle - Matrix representation of spin AM operators
  • Chapter XI Part 3 - Spin is the best playground to learn QM
  • Chapter XI Part 4 (Revised) - Learn Math Structure of QM from Spin
  • Chapter XI Part 5 - QM TISE and Eigenvalue Problems are big matrix problems
  • Chapter XI Part 6 - Precession of (mean) spin in a magnetic field - Larmor precession
  • Chapter XI - Summary and Go back to Chapter X Part 4
  • Closing - what have we done and what's next?


  • Sample Questions for Exercise Classes
  • Sample Questions SQ1,2,3,4 for Week 1 Exercise Classes
  • Sample Questions SQ5,6,7 for Week 2 Exercise Classes
  • Sample Questions SQ8,9,10 for Week 3 Exercise Classes
  • Sample Questions SQ11,12,13 for Week 4 Exercise Classes
  • Sample Questions SQ14,15,16 for Week 6 Exercise Classes
  • Sample Questions SQ17,18 for Week 7 Exercise Classes
  • Sample Questions SQ19,20,21 for Week 8 Exercise Classes
  • Sample Questions SQ22,23 for Week 9 Exercise Classes
  • Sample Questions SQ24,25,26 for Week 10 Exercise Classes
  • Sample Questions SQ27,28,29 for Week 11 Exercise Classes
  • Sample Questions SQ30,31,32 for Week 12 Exercise Classes
  • Sample Questions SQ33,34 for Week 13 Exercise Classes


  • Problem Sets
  • Problem Set 1 (due 20 Sept 2017)
  • Problem Set 1 [see revision in 6(c)] (due 20 Sept 2017)
  • Blank Academic Honesty declaration form
  • Problem Set 2 (due 4 October 2017)
  • Problem Set 3 (due 26 Oct 2017)
  • Given integral for Problem 3.5
  • Problem Set 4 (due 15 November 2017)
  • Problem Set 4 (due 15 November 2017) - Revision marked in 4.7
  • Problem Set 5 (due 22 November 2017)
  • Problem Set 6 (due 4 Dec 2017)


  • Solutions to Sample Questions
  • Solutions to Sample Questions SQ1,2,3,4 for Week 1 Exercise Classes
  • Solutions to Sample Questions SQ5,6,7 for Week 2 Exercise Classes
  • Solutions to Sample Questions SQ11,12.13 for Week 4 Exercise Classes
  • Solutions to Sample Questions SQ8,9.10 for Week 3 Exercise Classes
  • Solutions to Sample Questions SQ19,20.21 for Week 8 Exercise Classes
  • Solutions to Sample Questions SQ17,18 for Week 7 Exercise Classes
  • Solutions to Sample Questions SQ14,15,16 for Week 6 Exercise Classes
  • Solutions to Sample Questions SQ24,25.26 for Week 10 Exercise Classes
  • Solutions to Sample Questions SQ22,23 for Week 9 Exercise Classes
  • Solutions to Sample Questions SQ27,28.29 for Week 11 Exercise Classes
  • Solutions to Sample Questions SQ30,31,32 for Week 12 Exercise Classes
  • Solutions to Sample Questions SQ33,34 for Week 13 Exercise Classes


  • Solutions to Problem Sets


    Other Learning Materials
  • PHYS1122 Notes: Photons, Electrons, and Atoms (Courtesy of Dr LM Lin)
  • PHYS1122 Notes: Wave nature of particles (Courtesy of Dr LM Lin)
  • PHYS1122 Notes: Quantum Mechanics (Courtesy of Dr LM Lin)
  • PHYS1122 Notes: Atomic Physics (Courtesy of Dr LM Lin)


  • PHYS1122 Notes on Quantum Physics