Table of Contents
Unit: Classical Central Forces
Center of Mass (35 minutes)
Introduction to Central Force Problems, Reduced Mass and Angular Momentum (1 hour 10 minutes)
Polar Coordinates (40 minutes)
Solving the Central Force Equations of Motion for the Shape of the Orbit (90 minutes)
Effective Potentials (90 minutes)
Unit: Quantum Central Forces in One Dimension (The Ring Problem)
The Schrödinger's Equation for Central Forces (70 minutes)
The Ring (2-3 hours)
Unit: The Quantum Rigid Rotor
Solving the $\theta$ Equation for the Legendre Polynomial Series (2 hr)
Spherical Harmonics (3 hr)
Unit: The Hydrogen Atom
The Radial Equation (1 hr)
The Hydrogen Atom (1 hr)
Unit: Classical Central Forces
Center of Mass (35 minutes)
Prerequisite Ideas
Survivor Outer Space: A kinesthetic approach to introducing Center of Mass
(Optional Kinesthetic Activity, 20 minutes)
Derivation and Explanation of Center of Mass
(Lecture, 15 minutes)
Homework
Introduction to Central Force Problems, Reduced Mass and Angular Momentum (1 hour 10 minutes)
Prerequisite Ideas
Assumptions about Central Force Motion
(Lecture, 10 minutes)
Derivation of Reduced Mass
(Lecture, 20 minutes)
Introduction of Angular Momentum
(Lecture, 25 minutes)
Definition of a Central Force
(Lecture, 10 minutes)
Central Forces on an Air Table
(Small Whiteboard Activity, 15 minutes)
Homework
Polar Coordinates (40 minutes)
Prerequisite Ideas
Position Vectors in Polar Coordinates
(Lecture/Discussion, 15 minutes)
Plotting Conic Sections
(Maple Activity, 25 minutes)
Velocity and Acceleration in Polar Coordinates
(Small Group Activity, 20 minutes)
Kepler's 2nd Law in Polar Coordinates
(Lecture, 5 minutes)
Homework
Solving the Central Force Equations of Motion for the Shape of the Orbit (90 minutes)
Prerequisite Ideas
Solution to the Central Force Equation of Motion
(Lecture, 30 minutes)
Finding the Shape of the Orbit
(Lecture, 25 minutes)
Finding the Radial Equation from Conservation of Energy
(Lecture, 15 minutes)
Homework
Effective Potentials (90 minutes)
Prerequisite Ideas
Energy and Effective Potential
(Lecture, 25 minutes)
Exploring the Effective Potential
(Maple Activity, 45 minutes)
Interpreting Effective Potential Plots
(Kinesthetic Activity, 15 minutes)
Trajectories in an Attractive Central Potential
(Maple/Java Activity, 30 minutes)
Homework
Unit: Quantum Central Forces in One Dimension (The Ring Problem)
The Schrödinger's Equation for Central Forces (70 minutes)
Prerequisite Ideas
Review of Hamiltonians
(Optional Lecture, 20 minutes)
Derivation of the Hamiltonian in terms of the Reduced Mass
(Optional Lecture, 20 minutes)
Separation of Variables
(Lecture, 30 minutes)
Homework
The Ring (2-3 hours)
Prerequisite Ideas
Finding the Eigenstates of Energy for the Ring
(Lecture, 30 minutes)
Angular Momentum for the Ring
(Lecture, 20 minutes)
Energy and Angular Momentum for a Particle Confined to a Ring
(Small Group Activity, 30-90 minutes)
Time Dependence for a Particle Confined to a Ring
(Small Group Activity, 30 minutes)
Visualizing the Probability Density for a Particle Confined to a Ring
(Maple Activity, 30 minutes)
Superposition States for a Particle Confined to a Ring
(Optional Small Group Activity, 20 minutes)
Expectation Values for a Particle Confined to a Ring
(Optional Small Group Activity, 20 minutes)
Homework
Unit: The Quantum Rigid Rotor
Solving the $\theta$ Equation for the Legendre Polynomial Series (2 hr)
This section may also be found in
Math Bits
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Prerequisite Ideas
Solving the $\theta$ equations using a Series Solution Method
(Lecture, 90 minutes)
Guessing the Legendre Polynomial Expansion of a Function
(Optional Maple Activity, 10-15 minutes)
Legendre Series
(Lecture, 20 minutes)
Legendre Polynomial Series Coefficients
(Maple Activity, 10-15 minutes)
Homework
Spherical Harmonics (3 hr)
Prerequisite Ideas
Associated Legendre Polynomials
(Lecture, 20 minutes)
Spherical Harmonics, the Solutions to the Rigid Rotor Problem
(Lecture, 20 minutes)
Visualizing Spherical Harmonics Using a Balloon
(Kinesthetic, 30 minutes)
Plotting the Spherical Harmonics
(Maple Activity, 15 minutes)
Combinations of $Y_{l,m}(\theta,\phi)$ and the Spherical Harmonic Series
(Lecture, 25 minutes)
Finding the Coefficients of a Spherical Harmonic Series
(Small Group Activity, 25 minutes)
Plotting Linear Combinations of Spherical Harmonics
(Maple Activity, 15 minutes)
Spherical Harmonics and the $H$, $L^2$, and $L_z$ Operators
(Lecture, 60 minutes)
Homework
Unit: The Hydrogen Atom
The Radial Equation (1 hr)
Prerequisite Ideas
Solving the Radial Equation
(Lecture, 40 minutes)
Visualizing Radial Wavefunctions
(Maple Activity, 20 minutes)
Homework
The Hydrogen Atom (1 hr)
Prerequisite Ideas
Full Solutions to the Hydrogen Atom
(Lecture, 45 minutes)
Visualizing Hydrogen Probability Densities
(Maple Activity, 20 minutes)
Quantum Calculations on the Hydrogen Atom
(Small Group Activity, 30 minutes)
Probability of Finding an Electron Inside the Bohr Radius
(Small Group Activity, 45 minutes)
The Classical Limit
(Lecture, 30 minutes)
Homework