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Revision as of 16:25, 25 April 2013
Welcome to the Quantum Mechanics A PHY5645 Fall2008/2009
The most fundamental equation of quantum mechanics; given a Hamiltonian , it describes how a state evolves in time.
This is the first semester of a two-semester graduate level sequence, the second being PHY5646 Quantum B. Its goal is to explain the concepts and mathematical methods of Quantum Mechanics, and to prepare a student to solve quantum mechanics problems arising in different physical applications. The emphasis of the courses is equally on conceptual grasp of the subject as well as on problem solving. This sequence of courses builds the foundation for more advanced courses and graduate research in experimental or theoretical physics.
The key component of the course is the collaborative student contribution to the course Wiki-textbook. Each team of students is responsible for BOTH writing the assigned chapter AND editing chapters of others.
Team assignments: Fall 2009 student teams
Fall 2009 Midterm is October 15
Outline of the Course
Chapter 1: Physical Basis of Quantum Mechanics
- Basic Concepts and Theory of Motion
- UV Catastrophe (Black-Body Radiation)
- Photoelectric Effect
- Stability of Matter
- Double Slit Experiment
- Stern-Gerlach Experiment
- The Principle of Complementarity
- The Correspondence Principle
- The Philosophy of Quantum Theory
Chapter 2: Schrödinger Equation
- Brief Derivation of Schrödinger Equation
- Relation Between the Wave Function and Probability Density
- Stationary States
- States, Dirac Bra-Ket Notation
- Heisenberg Uncertainty Principle
- Some Consequences of the Uncertainty Principle
Chapter 3: Motion in One Dimension
- One-Dimensional Bound States
- The Dirac Delta Function Potential
- Oscillation Theorem
- Scattering States, Transmission and Reflection, and the S Matrix
- Motion in a Periodic Potential
- Summary of 1D Systems
Chapter 4: Operators, Eigenfunctions, Symmetry, and Time Evolution
- Linear Vector Space and Operators
- Commutation Relations and Simultaneous Eigenvalues
- Symmetry and its Role in Quantum Mechanics
- Ehrenfest's Theorem
- Heisenberg and Interaction Pictures: Equations of Motion for Operators
- The Interaction Picture
- The Virial Theorem
- Feynman Path Integrals
- Problems
Chapter 5: Discrete Eigenvalues and Bound States; Harmonic Oscillator and WKB Approximation
- Harmonic Oscillator Spectrum and Eigenstates
- Analytical Method for Solving the Simple Harmonic Oscillator
- Coherent States
- Feynman Path Integral Evaluation of the Propagator
- Motion in an Electromagnetic Field
- WKB Approximation
Chapter 6: Path Integral Evaluation of the Free-Particle Propagator
Chapter 7: Angular Momentum
- Commutation Relations
- Angular Momentum as a Generator of Rotations in 3D
- Spherical Coordinates
- Eigenvalue Quantization
- Orbital Angular Momentum Eigenfunctions
- Problems on Angular Momentum
Chapter 8: Central Forces
- Generalized Derivation
- Free Particle in Spherical Coordinates
- Spherical Well
- Isotropic Harmonic Oscillator
- Hydrogen Atom
- WKB in Spherical Coordinates
Chapter 9: Continuous Eigenvalues and Collision Theory