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Symmetry Breaking on a Rotating Hoop Presentation
written by Wolfgang Christian
The Rotating Hoop Launcher package shows the dynamics of a mass that is constrained to move on a rotating hoop.  The rotating hoop model is an excellent mechanical model of first- and second-order phase transitions.  Although the minimum of the potential energy curve corresponds to the bottom of the hoop at low rotation frequency, a spontaneous symmetry breaking (cusp catastrophe) occurs as the frequency is increased.  This package presents the theory and an Easy Java Simulation (Ejs) of this experiment. The package and a demonstration were presented at the NC Section of the AAPT Spring 2008 meeting by Wolfgang Christian and Ken Rathbun.

Please note that this resource requires at least version 1.5 of Java (JRE).
Subjects Levels Resource Types
Classical Mechanics
- Rotational Dynamics
Oscillations & Waves
- Oscillations
= Non-Linear Systems
Thermo & Stat Mech
- Phase Transitions
= First-Order Transitions
- Upper Undergraduate
- Instructional Material
= Curriculum
= Interactive Simulation
Intended Users Formats Ratings
- Educators
- Learners
- application/java
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Access Rights:
Free access
License:
This material is released under a GNU General Public License Version 3 license.
Rights Holder:
Wolfgang Christian
Record Creator:
Metadata instance created October 17, 2008 by Wolfgang Christian
Record Updated:
September 2, 2009 by Wolfgang Christian
Last Update
when Cataloged:
October 17, 2008
ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
W. Christian, Computer Program SYMMETRY BREAKING ON A ROTATING HOOP PRESENTATION (2008), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8197&DocID=865).
AJP/PRST-PER
W. Christian, Computer Program SYMMETRY BREAKING ON A ROTATING HOOP PRESENTATION (2008), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8197&DocID=865>.
APA Format
Christian, W. (2008). Symmetry Breaking on a Rotating Hoop Presentation [Computer software]. Retrieved June 19, 2021, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8197&DocID=865
Chicago Format
Christian, Wolfgang. "Symmetry Breaking on a Rotating Hoop Presentation." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8197&DocID=865 (accessed 19 June 2021).
MLA Format
Christian, Wolfgang. Symmetry Breaking on a Rotating Hoop Presentation. Computer software. 2008. Java (JRE) 1.5. 19 June 2021 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8197&DocID=865>.
BibTeX Export Format
@misc{ Author = "Wolfgang Christian", Title = {Symmetry Breaking on a Rotating Hoop Presentation}, Month = {October}, Year = {2008} }
Refer Export Format

%A Wolfgang Christian
%T Symmetry Breaking on a Rotating Hoop Presentation
%D October 17, 2008
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8197&DocID=865
%O application/java

EndNote Export Format

%0 Computer Program
%A Christian, Wolfgang
%D October 17, 2008
%T Symmetry Breaking on a Rotating Hoop Presentation
%8 October 17, 2008
%U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8197&DocID=865


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Citation Source Information

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

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