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PHY 6645 - Fall 2002
Topics Covered

The subject matter of the course is defined by the content of the lectures plus all reading assignments announced in class. The main topics are listed below in the order they were covered. Each topic is cross-referenced to the most closely related section(s) of Shankar ("Sh"), Ballentine ("Ba"), Merzbacher ("Me"), and/or Sakurai ("Sa").

Mathematical Introduction
    Linear vector spaces (Sh1.1)
    Inner product spaces (Sh1.2)
    Dual spaces (Sh1.3)
    Vector subspaces (Sh1.4)
    Linear operators (Sh1.5)
    Matrix representations of linear operators (Sh1.6)
    Hermitian anti-Hermitian, and unitary operators (Sh1.6)
    The eigenvalue problem (Sh1.8)
    Eigenvalues and eigenvectors of normal operators (Me10.1)
    Functions of operators (Sh1.9)
    Infinite-dimensional vector spaces (Sh1.10, B1.4, handout)

Classical Mechanics (background reading only)
    Hamiltonian formulation (Sh2.5)
    Possion brackets (Sh2.7)
    Canonical transformations (Sh2.7)
    Symmetries and conservation laws (Sh2.8)

The key ideas are summarized in a one-page handout

Postulates of Non-Relativistic Quantum Mechanics
    Postulates for one degree of freedom (Sh4.1, handout)
    Postulate I: Quantum mechanical states (Sh4.2)
    Postulate II: Quantum mechanical operators (Sh4.2)
    Postulate III: Quantum mechanical measurements (Sh4.2, Ba9.3, notes by W. de Muynck)
    Expectation values and uncertainties (Sh4.2)
    Postulate IV: Time evolution (Sh4.3)
    Different pictures of quantum mechanics (Sh18.3, Me14.2, Sa2.2)
    The state operator formulation of quantum mechanics (Ba2.1-2.3, handout)

NB: Systems with more than one degree of freedom will not be discussed until later in the semester.

One-Dimensional Wave Mechanics
    The Schrodinger wave equation
    The free particle (Sh5.1)
    The Gaussian wave packet (Sh5.1)
    General properties of wave functions (Sh5.1, Sh5.6)
    General analysis of 1D piecewise-constant potentials (Sh5.3, Me6.3, study guide)
    Potential steps (Sh5.4, Me6.1)
    Potential barriers (Me6.2)
    Potential wells (Sh5.2, Me6.4)

End of material tested on Exam 1

The Classical Limit
    Equations of motion for QM expectation values (Sh6, Ba14.1)
    The limit hbar -> 0 (Ba14.2)
    The limit of large quantum numbers (Ba14.4)

The Harmonic Oscillator
    Motivation (Sh7.1)
    Solution in the coordinate basis (Sh7.3, Me5.3)
    Physical properties of the eigensolutions (Sh7.3, Me5.3)
    Operator solution (Sh7.4, S7.5)
    Time evolution (Me5.4)

Uncertainty Relations
    The Heisenberg uncertainty relations (Sh9.2, Me10.5)
    Minimum-uncertainty states (Sh9.3, Me10.5)
    Energy-time uncertainty (Ba12.3)

Systems with More Than One Degree of Freedom
    Commutation relations (Sh7.4)
    The Hilbert space (Sh10.1, 10.2)
    Time evolution of the state vector (Sh10.1)

Symmetry in Quantum Mechanics
    Symmetry operators (Ba3.1, Me17.1)
    Constants of motion and degeneracies
    Continuous symmetries (Ba3.1)
    Spatial displacements (Sh11.2, Ba3.4)
    Space translational invariance (Sh11.2)
    Temporal displacements and time translational invariance (Sh11.3)
    Spatial inversion and parity invariance (Sh11.4, Ba13.1)
    Time reversal and time-reversal invariance (Sh11.5, Ba13.3)

Rotational Symmetry
    Rotational symmetry operators (Sh12.2, S12.4)
    Rotational invariance about a single axis (Sh12.3)

End of material tested on Exam 2
 

    The angular momentum eigenproblem in 3D (Sh12.5)
    The rotation group SO(3) (Me17.3, Me17.4)
    Spatial eigenfunctions of L2 and Lz (Sh12.5, Me11.3, Me11.4)
    General solution of rotationally invariant problems (Sh12.6)
    The free particle in spherical coordinates (Sh12.6)
    The spherical well potential (Me12.3)
    The isotropic harmonic oscillator (Sh12.6)

The Hydrogen Atom
    Shankar Ch. 13 in its entirety is assigned reading.

Spin
    QM description of spin (Sh14.3)
    Spin and rotation (Sh14.3)
    Spin-1/2 particles (Sh14.3, Ba7.4)
    Spin-1 particles (Sh14.3, Ba7.4)
    Rotation through 2 pi (Ba7.6, Ba13.3)

End of material tested on Final Exam

Addition of Angular Momenta (to be completed in Spring 2003)
    Addition of angular momentum of two spin-1/2 particles (Sh15.1)
    General addition of two angular momenta (Sh15.2, Ba7.7)

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Kevin Ingersent / ingersent@phys.ufl.edu
Last modified: Dec 3, 2002