National Science Digital Library

Serving science, technology, engineering, and mathematics education

Barrier Scattering model

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Rating:
Teacher
Author:
Subject:
Physics, Science and Technology
Provider:
comPADRE, ComPADRE Digital Library
Provider Set:
Open Source Physics, ComPADRE: Resources for Physics and Astronomy Education
Level:
College / Upper Division, Career / Technical
Language:
English
Material Type:
Instructional Material, Interactive
Media Format:
Graphics/Photos, Text/HTML, Other
Technical requirements:
JAVA
ComPADRE Digital Library Abstract:

The Step Barrier Scattering model shows a quantum mechanical experiment in which an incident wave (particle) traveling from the left is transmitted and reflected from a potential step at x=0.  Although the analytic solution to this standard problem is well known, its visualization shows how the incident and reflected waves form an interference pattern and how the incident wave penetrates the classically forbidden region when its energy is less than the barrier height V₀

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