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Exposition: Quantum Mechanics I: Lecture Notes
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Quantum Mechanics I: Lecture Notes
Authors: Dr.Niels Walet, University of Manchester
Uploaded by:
bci1
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- Comments:
- 312 pages, June 2, 200, html free downloads of sections in QM Lecture notes I
- Abstract:
- The book contains fundamental concepts and introduction to Quantum Mechanics.
Author's Contents, cited:
"Introduction
Black-body radiation
Photo-electric effect
Hydrogen atom
Wave particle duality
Uncertainty
Tunneling
Concepts from classical mechanics
Conservative fields
Energy function
Simple example
The Schroedinger equation
The state of a quantum system
Operators
Analysis of the wave equation
Bound states of the square well
Some consequences
Lessons from the square well
A physical system (approximately) described by a square well
Infinite well
Zero of energy is arbitrary
Solution
Scattering from potential steps and square barriers, etc.
Non-normalisable wave functions
Potential step
Square barrier
The Harmonic oscillator
Dimensionless coordinates
Behaviour for large
Taylor series solution
A few solutions
Quantum-Classical Correspondence
The formalism underlying QM
Key postulates
Wavefunction
Observables
Hermitean operators
Eigenvalues of Hermitean operators
Outcome of a single experiment
Eigenfunctions of
Eigenfunctions of
Expectation value of and for the harmonic oscillator
The measurement process
Repeated measurements
Ladder operators
Harmonic oscillators
operators
Eigenfunctions of through ladder operations
Normalisation and Hermitean conjugates
Time dependent wave functions
correspondence between time-dependent and time-independent solutions
Superposition of time-dependent solutions
Completeness and time-dependence
Simple example
Wave packets (states of minimal uncertainty)
computer demonstration
3D Schroedinger equation
The momentum operator as a vector
Spherical coordinates
Solutions independent of and
The hydrogen atom
Now where does the probability peak?
Spherical harmonics
General solutions"
- Rights:
-
Open access:
Copyright@2005 by Niewls Walet, University of Manchester
http://walet.phy.umist.ac.uk/QM/LectureNotes/
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Pending Errata and Addenda
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