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Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics
written by
Emily Marshman and Chandralekha Singh
Quantum mechanics is challenging even for advanced undergraduate and graduate students. In the Schrödinger representation, the wave function evolves in time according to the time dependent Schrödinger equation. The time dependence of the wave function gives rise to time dependence of the expectation value of observables. We have been exploring the difficulties that advanced undergraduate and graduate students have with time dependence of expectation values in quantum mechanics. We have developed and administered conceptual free response and multiple-choice questions to students to investigate these difficulties. We also interviewed 23 students individually using a think-aloud protocol to obtain a better understanding of the rationale behind students' written responses. We find that many students struggle with time dependence of expectation values of observables. We discuss some findings.
Physics Education Research Conference 2013
Part of the PER Conference series Portland, OR: July 17-18, 2013 Pages 245-248
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Record Link
<a href="https://www.per-central.org/items/detail.cfm?ID=13167">Marshman, Emily, and Chandralekha Singh. "Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics." Paper presented at the Physics Education Research Conference 2013, Portland, OR, July 17-18, 2013.</a>
AIP Format
E. Marshman and C. Singh, , presented at the Physics Education Research Conference 2013, Portland, OR, 2013, WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13167&DocID=3714).
AJP/PRST-PER
E. Marshman and C. Singh, Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics, presented at the Physics Education Research Conference 2013, Portland, OR, 2013, <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13167&DocID=3714>.
APA Format
Marshman, E., & Singh, C. (2013, July 17-18). Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics. Paper presented at Physics Education Research Conference 2013, Portland, OR. Retrieved September 10, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13167&DocID=3714
Chicago Format
Marshman, Emily, and Chandralekha Singh. "Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics." Paper presented at the Physics Education Research Conference 2013, Portland, OR, July 17-18, 2013. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13167&DocID=3714 (accessed 10 September 2024).
MLA Format
Marshman, Emily, and Chandralekha Singh. "Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics." Physics Education Research Conference 2013. Portland, OR: 2013. 245-248 of PER Conference. 10 Sep. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13167&DocID=3714>.
BibTeX Export Format
@inproceedings{
Author = "Emily Marshman and Chandralekha Singh",
Title = {Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics},
BookTitle = {Physics Education Research Conference 2013},
Pages = {245-248},
Address = {Portland, OR},
Series = {PER Conference},
Month = {July 17-18},
Year = {2013}
}
Refer Export Format
%A Emily Marshman %A Chandralekha Singh %T Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics %S PER Conference %D July 17-18 2013 %P 245-248 %C Portland, OR %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13167&DocID=3714 %O Physics Education Research Conference 2013 %O July 17-18 %O application/pdf
EndNote Export Format
%0 Conference Proceedings %A Marshman, Emily %A Singh, Chandralekha %D July 17-18 2013 %T Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics %B Physics Education Research Conference 2013 %C Portland, OR %P 245-248 %S PER Conference %8 July 17-18 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=13167&DocID=3714 Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.
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The AIP Style presented is based on information from the AIP Style Manual. The AJP/PRST-PER presented is based on the AIP Style with the addition of journal article titles and conference proceeding article titles. The APA Style presented is based on information from APA Style.org: 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. Investigating Student Difficulties with Time dependence of Expectation Values in Quantum Mechanics:Know of another related resource? Login to relate this resource to it. |
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