PHY 511/512: Quantum Mechanics I,II
Fall 2009 / Spring 2010, Stony Brook
Tue, Thu: 9:5011:10, in P128
Under construction
ATTENTION: The final is on Thursday, May 13, P128, 11:15am1:45pm.
It is open book. You can use your notes,
homeworks with solutions and one textbook.
There will be four problems:
The last problem (number 5) of hw 22 is removed.
See the updated version hw22.pdf
The homework is due on Friday, May 7, until 5pm.
Please, bring it to my office (B102).
Instructor: Dr. Alexander (Sasha) Abanov,
Associate Professor
Office: B102
Phone: 28174
Email:
alexandre.abanov @ sunysb.edu
Web page:
http://felix.physics.sunysb.edu/~abanov/
Teaching Assistant: Tin Sulejmanpasic
Office: C123
Phone:
Email:
tin2019 @ gmail.com
Catalog description
First course in a twopart sequence. Topics include basic quantum physics and mathematical apparatus; application to one dimensional examples and simple systems. Symmetries, angular momentum, and spin. Additional topics as time permits.
Second course in a twopart sequence, covering variational principles, perturbation theory, relativistic quantum mechanics, quantization of the radiation field, manybody systems. Application to atoms, solids, nuclei and elementary particles, as time permits.
Grading
The final grade for this course will be based on grades for weekly
homeworks (25%), the grade for the midterm exam (30%),
and on the grade for the final exam (45%).
Syllabus of QM I (Fall 2009)
Homeworks

Homework 12, due on Tuesday, February 9
(PDF )

Homework 13, due on Tuesday, February 16
(PDF )

Homework 14, due on Tuesday, February 23
(PDF )

Homework 15, due on Tuesday, March 2
(PDF )

Homework 16, due on Tuesday, March 9
(PDF )

Homework 17, due on Tuesday, March 23
(PDF )

Homework 18, due on Thursday, April 8
(PDF )

Homework 19, due on Thursday, April 15
(PDF )

Homework 20, due on Thursday, April 22
(PDF )

Homework 21, due on Thursday, April 29
(PDF )

Homework 22, due on Friday, May 7
(PDF )
Topics
 Introduction
 Experimental motivations for quantum mechanics.
 Basics: Vector spaces, Hilbert spaces, Hermitian operators, eigenvalues and eigenstates.
 Dirac's bra and ket notations, wave functions, observables, probabilities, correspondence principle.
 Schrodinger equation.
 Simplest examples.
 Quantum mechanics in one dimension.
 Plane waves and quantum wells.
 Reflection and transmission.
 Harmonic oscillator.
 Energy and momentum.
 General properties of motion in 1D.
 Variational principle.
 Quantum mechanics in 2D.
 Separation of variables.
 Angular momentum in 2D.
 Free particle in a circular box. Zeros of Bessel's functions.
 Plane rotator and AharonovBohm effect.
 Motion in magnetic field.
 Gauge invariance in quantum mechanics
 Current operator and continuity equation
 AharonovBohm effect
 Landau levels. Landau gauge and radial gauge
 Ladder operator formalism for Landau levels
 Magnetic translations and magnetic rotations
 Dirac's monopole
 Theory of Angular Momentum.
 Rotational symmetry and orbital angular momentum.
 Eigenvalues of angular momentum.
 Eigenfunctions of angular momentum.
 Addition of angular momenta.
 Symmetry in Quantum Mechanics.
 Motion in central potential.
 The spherical square well potential.
 The Coulomb potential: hydrogen atom
 Perturbation theory.
 Timeindependent perturbation theory: nondegenerate and degenerate cases.
 Atomic terms.
 Timedependent perturbation theory.
 Sudden perturbations.
 Semiclassical approximation.
 The WKB method.
 Bound states: BohrSommerfeld quantization rule.
 Penetration through (reflection from) a potential barrier.
 Symmetric doublewell potential.
 Resonant transmission.
 Reflection above the barrier. Classical complex paths.
 Adiabatic theory. Berry's phase.
 Path integrals.
 Propagators.
 Introduction to path integrals.
 Scattering theory.
 Scattering cross section, differential cross section and scattering amplitude.
 The LippmannSchwinger equation.
 The Born approximation.
 Scattering matrix.
 The method of partial waves.
 Identical particles and spin.
 The permutation symmetry
 The symmetrization postulate. FermiDirac and BoseEinstein statistics.
 Exchange interaction.
 Introduction into relativistic quantum mechanics.
 Measurements in quantum mechanics.
Recommended Books

J. Sakurai,
Modern Quantum Mechanics,
Addison Wesley, 1993, ISBN: 9780201539295.

L. Landau and E. Lifshitz,
Quantum Mechanics, Nonrelativistic theory., ButterworthHeinemann, 1981, ISBN 9780750635394.

E. Merzbacher,
Quantum Mechanics,3rd edition,
Wiley, 1997, ISBN: 9780471887027.
Additional Books

R. Shankar,
Principles of Quantum Mechanics,
Springer, 1994, ISBN: 9780306447907.

D. J. Griffiths,
Introduction to Quantum Mechanics., Benjamin Cummings, 2004, ISBN 9780131118928.

R. Liboff,
Introductory Quantum Mechanics,4th edition,
Addison Wesley, 2002, ISBN: 9780805387148.
Online resources
Stony Brook University Syllabus Statement
If you have a physical, psychological, medical, or learning
disability that may impact your course work, please contact
Disability Support Services at (631) 6326748 or
http://studentaffairs.stonybrook.edu/dss/
. They will determine with
you what accommodations are necessary and appropriate. All
information and documentation is confidential.
Students who require assistance during emergency evacuation are
encouraged to discuss their needs with their professors and
Disability Support Services. For procedures and information go to the
following website:
http://www.sunysb.edu/ehs/fire/disabilities.shtml
Last updated May 4, 2010