Spring 2007            Physics 425/625: Quantum Theory
 

Location: Room 1311 HN

Lecture Times:  Tu and Th: 4.10pm - 5.25pm


                         

Instructor:      Neepa Maitra 


                      email:
nmaitra@hunter.cuny.edu  
                      phone: 212-650-3518
                      office: 1214E HN

                     Note: email is the best way to reach me

Office hours:  Tu and Th: 3.15pm - 4pm,  or by appointment.

Text: Quantum Mechanics, by B.H. Bransden and C.J. Joachain (2nd Ed), (Prentice-Hall Pearson, 2000).

Supplementary texts (you can borrow from me), include Introduction to Quantum Mechanics by Griffiths, Quantum Mechanics by Merzbacher, and the first volume of Quantum Mechanics by Cohen-Tannoudji, Diu, Laloe.

Grading:

ü      Homework                       25%

ü      Midterm Exams                40%

ü      Final Exam                       35%

   Homework: Will be assigned about every two weeks, and due about a week later. Collaboration with your peers is encouraged, but independent solutions must be handed in for credit. Homeworks will be posted here.

   Midterms: Two mid-term in-class exams:  Thu Mar 8 and Thu Apr 19 (Probably).

   Final Exam:  Tues May 22, 1.45pm – 3.45pm, room as yet to be determined.

   Syllabus: on reverse side        

·          In compliance with the American Disability Act of 1990 (ADA) and with Section 504 of the Rehabilitation Act of 1973, Hunter College is committed to ensuring educational parity and accommodations for all students with documented disabilities and/or medical conditions. It is recommended that all students with documented disabilities (Emotional, Medical, Physical and/ or Learning) consult the Office of AccessABILITY located in Room E1124 to secure necessary academic accommodations.  For further information and assistance please call (212- 772- 4857)/TTY (212- 650- 3230).

 

·          Hunter College regards acts of academic dishonesty (e.g., plagiarism, cheating on examinations, obtaining unfair advantage, and falsification of records and official documents) as serious offenses against the values of intellectual honesty. The college is committed to enforcing the CUNY Policy on Academic Integrity and will pursue cases of academic dishonesty according to the Hunter College Academic Integrity Procedures.

Neepa Maitra, Assistant Professor, Department of Physics and Astronomy, Hunter College and City University of New York, January 2007.

 

Syllabus:

Topic

Book chapter

The origins of quantum theory

Blackbody radiation, photoelectric effect, Compton effect, atomic spectra, Bohr model, Stern-Gerlach expt, de Broglie waves

1

The wave function and the uncertainty principle

Wave-particle duality, wavefunction and interpretation, free-particle wavefunction, wave packets, Heisenberg’s uncertainty principle

2

The Schroedinger equation

Time-dependent S.E., probability conservation, operators and expectation values, Ehrenfest theorem,  time-independent S.E., stationary states, energy quantization and eigenfunctions, time-dependent wavefunctions in a static potential, other representations – momentum space.

3

One-dimensional examples

General formulae, reflection and transmission coefficients, free particle, potential step, barrier, infinite square well, linear harmonic oscillator, periodic potential.

4

Formalism and axioms of quantum mechanics

Wave function as state, Dirac bra(c)ket notation, operators, expansions in eigenfunctions, commuting observables and compatibility, relation with uncertainty principle, unitary transformations, matrix representations, Schroedinger eqn for time evolution, Schroedinger vs Heisenberg pictures, path integrals, symmetry principles and conservation laws, classical  (and semi-classical) limit

5

Angular momentum and spin

Orbital, eigenvalues and eigenfunctions of ang. mom, spin, spin one-half, general and total ang. mom.

6

Three-dimensional Schroedinger equation

Cartesian coordinates, central potentials, spherical polar coordinates, free particle, 3D square well, hydrogen atom, 3D isotropic oscillator

7

Approximation Methods: stationary problems

Time-independent perturbation theory – non-degenerate and degenerate, atomic fine structure, variational method, WKB

8

Approximation Methods: time-dependent problems

Time-dependent perturbation theory, static perturbation, periodic pert, Fermi’s golden rule, adiabatic approx, sudden approx, Stark effect

9

Extra topics if time

Measurement and interpretation – EPR paradox and Bell’s theorem, semiclassical path integrals, many-particle systems