Academics•Fall 2020•Quantum Physics

Quantum Physics

October 11, 2020 by bilal No Comments
  • Timetable:
    • Monday and Tuesday — 02:00 PM – 03:30 PM — Room: Google Classroom
    • Office hours will be communicated soon, via email.
  • Course Outline: The outline can be downloaded from here.
  • Another Note: Solutions of in-class quizzes and homeworks are not made public. If interested, instructors can ask for solutions by sending an email from their institutional email address.
  • Lecture 1: Blackbody Radiation-I
    • Kirchhoff’s Law
    • Stefan’s Law
    • Wien’s Displacement Law
    • Wien’s Exponential Law
    • Spectral Energy Density of a Blackbody
    • Planck’s Formula of Spectral Energy Distribution
    • The Quantum of Energy
    • Whiteboard Slides
  • Lecture 2: Blackbody Radiation-II
  • Lecture 3: Photoelectric Effect
    • Brief History
    • Experimental Setup and Results
    • Classical Interpretation
    • Einstein’s Idea
    • Quantum Interpretation
    • Whiteboard Slides
    • Handouts
    • Homework 1 (Due Date: October 20, 2020)
  • Lecture 4: X-Ray Production and Compton Scattering
  • Lecture 5: Bohr’s Atomic Model
    • The Classical Atomic Model
    • Failure of Thomson’s Planetary Model
    • The Bohr Model of Hydrogen Atom
    • Bohr’s General Assumptions
    • Derivation of Rydberg Equation using Bohr’s Assumptions
    • Absorption and Emission Spectrum
    • Electron’s Velocity in Bohr’s Model
    • Bohr’s Correspondence Principle
    • Whiteboard Slides
    • Handouts (This also includes the first three topics of Lecture 6.)
  • Lecture 6: Corrections in Bohr’s Model, Franck Hertz Experiment
    • Reduced Mass Correction in Bohr’s Model
    • Bohr Model for Hydrogen-like elements
    • Problem of Fine Structure and Bohr’s Model
    • Franck-Hertz Experiment
    • Whiteboard Slides
    • Handouts (First three topics of this lecture are included in the handouts of Lecture 5.)
    • Quiz 2
    • Homework 3 (Due Date: November 3, 2020)
  • Lecture 7: Matter Waves-I
    • Pilot Waves of de-Broglie
    • de-Broglie’s Explanation of Quantization of in Bohr’s Model
    • The Davisson-Germer Experiment
    • Whiteboard Slides
    • Handouts
  • Lecture 8: Matter Waves-II
    • Localization of Waves in Space
    • Principle of Superposition
    • Pulses / Wave Groups / Wave Packets
    • Uncertainty Relations / Reciprocity Relations
    • Phase Velocity
    • Group Velocity
    • Matter Wave Packets
    • Whiteboard Slides
    • Handouts
    • Quiz 3
    • Homework 4 (Due Date: November 10, 2020)
  • Lecture 9: Fourier Integrals
    • Why do we need Fourier integrals to discuss wave packets?
    • Fourier Integrals/Transformation
    • True Localization of Waves in Space
    • True Localization of Waves in Time
    • Quiz 4
    • Whiteboard Slides
    • Handouts
  • Lecture 10: Waves or Particles?
    • Double Slit Experiment with Photons
    • Double Slit Experiment with Electrons
    • Bohr’s Complementarity Principle
    • Heisenberg Uncertainty Relations
    • Whiteboard Slides
    • Handouts
  • Lecture 11: Wavefunctions
  • Lecture 12: Born’s Interpretation
  • Exam Week
  • Lecture 13: Uncertainties in Quantum Mechanics and Momentum Operator
    • How to define uncertainties?
    • How do we characterize uncertainty?
    • Momentum Operator in Position Basis
    • Whiteboard Slides
    • Handouts
  • Lecture 14: Operators and Schrodinger Equation
    • Operators and Observables
    • Eigenfunctions, Eigenvalues and Eigenvalue Equation (Eigenequation)
    • Importance of Order in Operator Multiplication
    • Time-Dependent Schrodinger Wave Equation
    • Whiteboard Slides
    • Handouts
  • Lecture 15: Schrodinger Wave Equation
  • Lecture 16: Properties of the Time Independent Schrodinger Wave Equation
  • Lecture 17: Time Evolution of Expectation Value
  • Lecture 18: Ehrenfest Theorem
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