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Dirac Delta Scattering Model
written by Wolfgang Christian
The Ejs Dirac Delta Scattering model displays the time evolution of a plane wave incident on a Dirac delta function barrier. It is distributed as a ready-to-run (compiled) Java archive.  Double clicking the ejs_DiracDeltaScattering.jar file will run the program if Java is installed.  The default wave function shows a right-moving plane wave incident on the barrier.  The energy of the wave function can be changed with the slider. You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.  

Ejs Dirac Delta Scattering model was created using the Easy Java Simulations (Ejs) modeling tool.  Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models.  Additional Open Source Physics programs for quantum mechanics are available.  They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs.

Please note that this resource requires at least version 1.5 of Java.
1 source code document is available
Subjects Levels Resource Types
Mathematical Tools
- Series and Functions
Quantum Physics
- General
- Probability, Waves, and Interference
- Scattering and Unbound Systems
- Upper Undergraduate
- Graduate/Professional
- Instructional Material
= Activity
= Interactive Simulation
= Lecture/Presentation
Intended Users Formats Ratings
- Learners
- Professional/Practitioners
- Educators
- application/java
- application/exe
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Access Rights:
Free access
© 2008 Wolfgang Christian
Additional information is available.
Dirac delta function, Ejs, OSP, Open Source Physics, plane wave, quantum mechanics, scattering
Record Creator:
Metadata instance created May 3, 2008 by Mario Belloni
Record Updated:
June 21, 2016 by Bruce Mason
Last Update
when Cataloged:
May 1, 2008
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
W. Christian, Computer Program DIRAC DELTA SCATTERING MODEL, Version 1.0 (2008), WWW Document, (
W. Christian, Computer Program DIRAC DELTA SCATTERING MODEL, Version 1.0 (2008), <>.
APA Format
Christian, W. (2008). Dirac Delta Scattering Model (Version 1.0) [Computer software]. Retrieved July 17, 2024, from
Chicago Format
Christian, Wolfgang. "Dirac Delta Scattering Model." Version 1.0. (accessed 17 July 2024).
MLA Format
Christian, Wolfgang. Dirac Delta Scattering Model. Vers. 1.0. Computer software. 2008. Java 1.5. 17 July 2024 <>.
BibTeX Export Format
@misc{ Author = "Wolfgang Christian", Title = {Dirac Delta Scattering Model}, Month = {May}, Year = {2008} }
Refer Export Format

%A Wolfgang Christian %T Dirac Delta Scattering Model %D May 1, 2008 %U %O 1.0 %O application/java

EndNote Export Format

%0 Computer Program %A Christian, Wolfgang %D May 1, 2008 %T Dirac Delta Scattering Model %7 1.0 %8 May 1, 2008 %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.

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Dirac Delta Scattering Model:

Is Based On Easy Java Simulations Modeling and Authoring Tool

The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the Ejs Dirac Delta Scattering Program.

relation by Mario Belloni

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