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written by John Richardson
This JAVA applet solves the time-dependent Schrödinger wave equation for a gaussian wave packet incident on a square barrier or well. The height of the barrier (depth of the well) relative to the mean energy of the packet can be adjusted. The source code is available.

This is an early example of using Java for online simulations of physical, and in this case quantum mechanical, systems.

Please note that this resource requires Java.
Subjects Levels Resource Types
Quantum Physics
- Scattering and Unbound Systems
- Upper Undergraduate
- Lower Undergraduate
- Instructional Material
= Interactive Simulation
Categories Intended Users Ratings
- Pedagogy
- Learners
- Educators
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Access Rights:
Free access
© 1993 Silicon Graphics, Inc.
Additional information is available.
scattering, tunneling
Record Creator:
Metadata instance created February 21, 2005 by Blake Laing
Record Updated:
August 19, 2008 by Lyle Barbato
Last Update
when Cataloged:
December 1, 1995
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
J. Richardson, (1993), WWW Document, (
J. Richardson, Quantum Mechanical Scattering (1993), <>.
APA Format
Richardson, J. (1995, December 1). Quantum Mechanical Scattering. Retrieved June 15, 2024, from
Chicago Format
Richardson, John. Quantum Mechanical Scattering. December 1, 1995. (accessed 15 June 2024).
MLA Format
Richardson, John. Quantum Mechanical Scattering. 1993. 1 Dec. 1995. 15 June 2024 <>.
BibTeX Export Format
@misc{ Author = "John Richardson", Title = {Quantum Mechanical Scattering}, Volume = {2024}, Number = {15 June 2024}, Month = {December 1, 1995}, Year = {1993} }
Refer Export Format

%A John Richardson %T Quantum Mechanical Scattering %D December 1, 1995 %U %O application/java

EndNote Export Format

%0 Electronic Source %A Richardson, John %D December 1, 1995 %T Quantum Mechanical Scattering %V 2024 %N 15 June 2024 %8 December 1, 1995 %9 application/java %U

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Citation Source Information

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

The APA Style presented is based on information from APA Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

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