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written by Antje Kohnle
This program illustrates the quantum states of a one-dimensional infinite square well with a symmetric constant-energy step perturbation.  The perturbed eigenfunctions are calculated, both ground and several excited states, as well as the expansion coefficients in terms of the unperturbed eigenfunctions.  A challenge section asks the user to answer various questions regarding mixing coefficients and the results of the perturbation.

This simulation is part of a collection of animations/simulations for the teaching of concepts in quantum mechanics.
Subjects Levels Resource Types
Quantum Physics
- Approximation Techniques
= Rayleigh-Schrodinger Perturbation Theory
- Bound State Systems
= Infinite Well
- Upper Undergraduate
- Instructional Material
= Interactive Simulation
= Tutorial
Intended Users Formats Ratings
- Learners
- application/javascript
- text/html
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Access Rights:
Free access
License:
This material is released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license. Instructors are welcome to modify activities as needed.
Rights Holder:
Dr Antje Kohnle
Keywords:
Rayleigh-Schrodinger, expansion coefficient, infinite square well, mixing coefficient, perturbation
Record Cloner:
Metadata instance created June 22, 2017 by Eric Ashby
Record Updated:
June 23, 2017 by Bruce Mason
Last Update
when Cataloged:
September 1, 2014
Other Collections:

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Record Link
AIP Format
A. Kohnle, (2014), WWW Document, (https://www.st-andrews.ac.uk/physics/quvis/simulations_html5/sims/SymmetricPerturbation/SymmetricPerturbation.html).
AJP/PRST-PER
A. Kohnle, QuVis: Symmetric Perturbation, (2014), <https://www.st-andrews.ac.uk/physics/quvis/simulations_html5/sims/SymmetricPerturbation/SymmetricPerturbation.html>.
APA Format
Kohnle, A. (2014, September 1). QuVis: Symmetric Perturbation. Retrieved September 23, 2017, from https://www.st-andrews.ac.uk/physics/quvis/simulations_html5/sims/SymmetricPerturbation/SymmetricPerturbation.html
Chicago Format
Kohnle, Antje. QuVis: Symmetric Perturbation. September 1, 2014. https://www.st-andrews.ac.uk/physics/quvis/simulations_html5/sims/SymmetricPerturbation/SymmetricPerturbation.html (accessed 23 September 2017).
MLA Format
Kohnle, Antje. QuVis: Symmetric Perturbation. 2014. 1 Sep. 2014. 23 Sep. 2017 <https://www.st-andrews.ac.uk/physics/quvis/simulations_html5/sims/SymmetricPerturbation/SymmetricPerturbation.html>.
BibTeX Export Format
@misc{ Author = "Antje Kohnle", Title = {QuVis: Symmetric Perturbation}, Volume = {2017}, Number = {23 September 2017}, Month = {September 1, 2014}, Year = {2014} }
Refer Export Format

%A Antje Kohnle
%T QuVis: Symmetric Perturbation
%D September 1, 2014
%U https://www.st-andrews.ac.uk/physics/quvis/simulations_html5/sims/SymmetricPerturbation/SymmetricPerturbation.html
%O application/javascript

EndNote Export Format

%0 Electronic Source
%A Kohnle, Antje
%D September 1, 2014
%T QuVis: Symmetric Perturbation
%V 2017
%N 23 September 2017
%8 September 1, 2014
%9 application/javascript
%U https://www.st-andrews.ac.uk/physics/quvis/simulations_html5/sims/SymmetricPerturbation/SymmetricPerturbation.html


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The AIP Style presented is based on information from the AIP Style Manual.

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