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Investigating the influence of visualization on student understanding of quantum superposition

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Kohnle_2015_PERC_Investigating_CC.pdf (1.628Mb)
Date
28/04/2015
Author
Kohnle, Antje
Baily, Charles
Ruby, Scott
Keywords
Quantum mechanics
Simulations
Visualization
Conceptual understanding
PERC 2014
QC Physics
NDAS
Metadata
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Abstract
Visualizations in interactive computer simulations are a powerful tool to help students develop productive mental models, particularly in the case of quantum phenomena that have no classical analogue. The QuVis Quantum Mechanics Visualization Project develops research-based interactive simulations for the learning and teaching of quantum mechanics. We describe efforts to refine the visual representation of a single-photon superposition state in the QuVis simulations. We developed various depictions of a photon incident on a beam splitter, and investigated their influence on student thinking through individual interviews. Outcomes from this study led to the incorporation of a revised visualization in all QuVis single-photon simulations. In-class trials in 2013 and 2014 using the Interferometer Experiments simulation in an introductory quantum physics course were used for a comparative study of the initial and revised visualizations. The class that used the revised visualization showed a lower frequency of incorrect ideas about quantum superposition, such as the photon splitting into two half-energy components.
Citation
Kohnle , A , Baily , C & Ruby , S 2015 , Investigating the influence of visualization on student understanding of quantum superposition . in P V Engelhardt , A D Churukian & D L Jones (eds) , Physics Education Research Conference 2014 . PER Conference series , American Association of Physics Teachers , pp. 139-142 , Physics Education Research Conference 2014 , Minneapolis, MN , United States , 30/07/14 . https://doi.org/10.1119/perc.2014.pr.031
 
conference
 
Publication
Physics Education Research Conference 2014
DOI
https://doi.org/10.1119/perc.2014.pr.031
ISSN
1539-9028
Type
Conference item
Rights
© 2014 American Association of Physics Teachers and the article authors. This material is released under a Creative Commons Attribution 3.0 license (http://creativecommons.org/licenses/by/3.0/). Further distribution of this work must maintain attribution to the published article's author(s), title, proceedings citation, and DOI.
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  • University of St Andrews Research
URL
http://www.compadre.org/per/perc/Proceedings.cfm
http://www.compadre.org/per/items/detail.cfm?ID=13468
URI
http://hdl.handle.net/10023/6743

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