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written by Paul Falstad
This simulation shows time-dependent 1D quantum bound state wavefunctions for a number of different wells.  Position, momentum, parity, energy, and current can all be viewed, with phase shown with color.  Eigentstates can be selected using the energy level diagram. Multiple-energy-eigenstate wavefunctions can be created through changes in the amplitude and phase of the basis states using spinors.  Postion and energy measurements can be taken, resulting in new states of the system.
Subjects Levels Resource Types
Quantum Physics
- Bound State Systems
- Symmetries in Quantum Mechanics
- Upper Undergraduate
- Graduate/Professional
- Instructional Material
= Interactive Simulation
Categories Intended Users Ratings
- Pedagogy
- Learners
- Professional/Practitioners
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Access Rights:
Free access
Has a copyright or other licensing restriction.
Merlot Record
3D visualization, dual well, kronig-penny, phasor, quantum phase, time dependence
Record Cloner:
Metadata instance created April 30, 2004 by Bruce Mason
Record Updated:
June 16, 2011 by Bruce Mason
Other Collections:

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AIP Format
P. Falstad, , WWW Document, (
P. Falstad, 1D Quantum States Applet, <>.
APA Format
Falstad, P. (n.d.). 1D Quantum States Applet. Retrieved May 28, 2024, from
Chicago Format
Falstad, Paul. 1D Quantum States Applet. (accessed 28 May 2024).
MLA Format
Falstad, Paul. 1D Quantum States Applet. 28 May 2024 <>.
BibTeX Export Format
@misc{ Author = "Paul Falstad", Title = {1D Quantum States Applet}, Volume = {2024}, Number = {28 May 2024}, Year = {} }
Refer Export Format

%A Paul Falstad %T 1D Quantum States Applet %U %O application/java

EndNote Export Format

%0 Electronic Source %A Falstad, Paul %T 1D Quantum States Applet %V 2024 %N 28 May 2024 %9 application/java %U

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