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PHY 6645 - Fall 2003
Topics Covered
The subject matter of the course is defined by the content of the lectures
plus all assignments (homework or reading) 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
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Linear vector spaces (Sh1.1)
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Inner product spaces (Sh1.2)
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Dual spaces (Sh1.3)
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Vector subspaces (Sh1.4)
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Linear operators (Sh1.5)
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Matrix representations of linear operators (Sh1.6)
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Hermitian anti-Hermitian, and unitary operators (Sh1.6)
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The eigenvalue problem (Sh1.8)
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Eigenvalues and eigenvectors of normal operators (Me10.1)
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Functions of operators (Sh1.9)
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Infinite-dimensional vector spaces (Sh1.10, B1.4,
handout,
online
book by U. H. Gerlach)
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Classical Mechanics (background reading only)
Postulates of Non-Relativistic Quantum Mechanics
One-Dimensional Wave Mechanics
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The Schrodinger wave equation
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The free particle (Sh5.1)
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The Gaussian wave packet (Sh5.1)
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General properties of wave functions (Sh5.1, Sh5.6)
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General analysis of 1D piecewise-constant potentials (Sh5.3, Me6.3,
HW 4)
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Potential steps (Sh5.4, Me6.1)
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Potential barriers (Me6.2)
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Potential wells (Sh5.2, Me6.4)
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Different Formulations of QM
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Different pictures of quantum mechanics (Sh18.3, Me14.2, Sa2.2)
End of material tested on
Exam 1
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The state operator formulation of quantum mechanics (Ba2.1-2.3,
handout)
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The Classical Limit
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Equations of motion for QM expectation values (Sh6, Ba14.1)
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The limit hbar -> 0 (Ba14.2)
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The limit of large quantum numbers (Ba14.4)
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The Harmonic Oscillator
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Motivation (Sh7.1)
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Solution in the coordinate basis (Sh7.3, Me5.3)
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Physical properties of the eigensolutions (Sh7.3, Me5.3)
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Operator solution (Sh7.4, S7.5)
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Time evolution (Me5.4)
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Coherent states (Sh21.2, Me10.7)
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Uncertainty Relations
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The Heisenberg uncertainty relations (Sh9.2, Me10.5)
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Minimum-uncertainty states (Sh9.3, Me10.5)
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Estimating the ground-state energy (reading assignment: Sh9.4)
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Energy-time uncertainty (Ba12.3)
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Systems with More Than One Degree of Freedom
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Generalized postulates and commutation relations (Sh7.4)
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The Hilbert space (Sh10.1, 10.2)
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Time evolution of the state vector (Sh10.1)
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Symmetry in Quantum Mechanics
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Symmetry operators (Ba3.1, Me17.1)
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Constants of motion and degeneracies
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Continuous symmetries (Ba3.1)
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Spatial displacements (Sh11.2, Ba3.4)
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Space translational invariance (Sh11.2)
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Temporal displacements and time translational invariance (Sh11.3)
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Spatial inversion and parity invariance (Sh11.4, Ba13.1)
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Time reversal and time-reversal invariance (Sh11.5, Ba13.3)
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End of material tested on
Exam 2
Rotational Symmetry
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Rotational symmetry operators (Sh12.2, S12.4)
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Rotational invariance about a single axis (Sh12.3)
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The angular momentum eigenproblem in 3D (Sh12.5)
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The rotation group SO(3) (Me17.3, Me17.4)
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Spatial eigenfunctions of L2 and Lz
(Sh12.5, Me11.3, Me11.4)
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General solution of rotationally invariant problems (Sh12.6)
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The free particle in spherical coordinates (Sh12.6)
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The spherical well potential (Me12.3)
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The isotropic harmonic oscillator (Sh12.6)
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The Hydrogen Atom
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Shankar Ch. 13 in its entirety is assigned reading.
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Spin
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QM description of spin (Sh14.3)
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Spin and rotation (Sh14.3)
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Spin-1/2 particles (Sh14.3, Ba7.4)
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Spin-1 particles (Sh14.3, Ba7.4)
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Rotation through 2 pi (Ba7.6, Ba13.3)
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Addition of Angular Momenta
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