PhysicsDepartment PhysicsDepartment


Advanced Quantum Mechanics, 6645(6)

Misak Sargsian

M,W 5:00-6:15pm, CP115

Office Hours M,W - 3:30-4:30pm, CP224,, 305-348-3954

Lecture 1- Classical Physics: 
(1)Mechanics and Newton's Laws
(2) Principles vs Laws (3) Basic Quantities of the nature

(4) Lagrangian, Action, Least Action Principle (5)Hamiltonian

Lecture 2 - Classical Physics:
(1) Symmetries, (2)Transformations & Operators
(3) Elements of group theory, (4) Generators and Algebra
(5)Example of Space Translation and Rotation

Lecture 3 - Foundation of Quantum Mechanics
Planck Paper
(1)Complex Vector States in the Hilbert Space
(2)Linear Operators
(3)Relating above to physical observables
(4)Correspondence Principle
Lecture 4 - Schroedinger Equation
1)Time-Translation of the state vectors and Hamiltonian
2) Shcroedinger Equation and canonical commutators
3)Planck constant and natural units
4)Uncertainty principle
5) Space translation of state vectors and momentum operator
6) Wave functions and Shroedinger wave equation

7) Continuity equation - no probability is lost in QM

Lecture 5 - Stationary States
1)Seven Pillars of Wisdom of Schroedinger Equation
2) Virial Theorem
Lecture 6 - One Dimensional Examples:
(1) Using symmetry properties of Hamiltonian to
solve Schroedinger equations
(2) Two state systems
(3) Infinite square well
(4) Finite size one-dimensional square well
(5) Delta function type potentials
(6) Canonical Quantization
(7) Harmonic Oscillators
 Lecture 7- Three Dimensions with Spherical  Symmetry
(1)Orbital Angular momentum;
(2) What it means to be spherically symmetric in QM
(3) Properties of Angular momentum operator
(4) Schroedinger Equation for Spherical Symmetry case
(5) Runge-Lenz vector in quantum mechanics
(6) Hydrogenlike Atoms
(7) Radial Wave functions of Hydrogen Atom
 Lecture 8- Symmetry and Spin                           
(1)Spin and Rotations
(2)Generators of rotation in the spinor space
(3) Spin wave functions
(4) Total angular momentum
(5)Addition of Angular Momenta
(6) Clebsch-Gordan Coefficients
(7) Example of Deuteron Wave function

Lecture 9 - Approximation Methods of Bound State
 (I)Bound  State Perturbation Theory
The Perturbation Expansion
(2)Example:Harmonic Oscillator
(3)Fine Structure of Hydrogen Atom
(3.1) The Spin-Orbit Coupling Correction
(3.2) The Relativistic Kinetic Energy Correction
(4) The Hyperfine Structure of the Hydrogen Atom
(5) Other Atoms
(6) Atomic Clocks
(II) The Variational Method
(1) The General method
(2) Application to the Helium Atom
(1)The Born-Oppenheimer Approximation
(2)Application to Hydrogen Molecular Ion
(IV) WKB Approximation

Lecture 10- Potential Scattering
(1)Kinematics, Setting up the scattering problem
(2)The Scattering Amplitude
(3) Born Approximation, Yukawa and Coulomb interactions
(4)The Optical Theorem
(5) Partial Waves
(5.1) Expansion of a Plane Wave in a Legandre Series
(5.2) Partial wave expansion of the scattering amplitude
(5.3) Calculation of the Phase Shift
(6) The Radial Wave function
(6.1) The integral Equation
(6.2) Partial Wave Green's Functions
(6.3) Scattering by an Impenetrable Sphere

Lecture 11- Quantum Mechanics of Many-Body Systems
(1)Nonrelativistic Identical-Particle Systems
(2) Creation and Annihilation of Bosons
(3) Creation and Annihilation of Fermions
(4) Bosonic and Fermionic Gases
(5) Phase Space and Degenerate Fermi Gas, Planck Formula
(6) From White Dwarfs to Neutron Stars

 ?   Information.


Primary materials are in the lecture notes.

Textbooks: "

- "Lectures on Quantum Mechanics" Steven Weinberg

- "Quantum Mechanics" Ernest, S  Abers

"Quantum Mechanics" L.Landau & E.Lifshitz


Two  pieces of the Final Grade:

Homeworks with deadlines (not graded)
(evaluated by the fraction of problems solved) 20%
Project 10%
Take Home Midterm Exam  (25%) (March )
Final Cumulative In Class Exam (45%) 04/22/2024
 (5-7pm, CP115)


Homework Assignments:

HW1.pdf ( due  Jan 17)

HW2.pdf (due   Jan 29)

HW3.pdf (due   Feb 5)

HW4.pdf (due   Feb 12  )

Project.pdf (due   March 8  )

HW5.pdf (due   Feb 17 )

HW6.pdf (due  March  4  )

Exam1.pdf (Due Feb  23 )

HW7.pdf (due   March 15 )

HW8.pdf (due    March 29 )

HW9.pdf (due    April 6  )

HW10.pdf (due   April 20  )

HW11.pdf (due  ) 

HW12.pdf (due   )

Final Exam(April 22, 5-7pm, CP115 )


Current Grades  

COVID Guidlines:

Some policies:  No unjistifed absences, and more than 50% attendances
                          are required for receiving a final grade.
                          No carbon copied homeworks please....

Feature Movies:

Oppenheimer (miniseries)
Radioactive: Marie & Pierre Curie


2014 Advanced Quantum  Misak Sargsian A B C D E