Website Detail Page

written by Alexey Sergeev
This web site provides tools to calculate and display the Rayleigh-Schrodinger perturbation expansion series for quantum mechanical problems. Mathematica and/or Fortran programs are used to compute the expansion coefficients for the state energies. These are displayed numerically and graphically. Input parameters include the unperturbed state of interest, the scale of the perturbation,  the order of the calculation, and precision of the calculation. Problems include several perturbations of the harmonic oscillator and the Hellman potential.
Subjects Levels Resource Types
Quantum Physics
- Approximation Techniques
- Graduate/Professional
- Upper Undergraduate
- Tool
= Code
- Dataset
- Audio/Visual
= Image/Image Set
Categories Intended Users Ratings
- Pedagogy
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© 2005 Alexey Sergeev
Perturbtion Theory, Rayleigh-Schrodinger, Yukawa potential, anharmonic oscillator
Record Creator:
Metadata instance created May 9, 2005 by Bruce Mason
Record Updated:
May 22, 2012 by Lyle Barbato
Last Update
when Cataloged:
May 9, 2005
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AIP Format
A. Sergeev, (2005), WWW Document, (
A. Sergeev, RSPT Expansion (2005), <>.
APA Format
Sergeev, A. (2005, May 9). RSPT Expansion. Retrieved April 15, 2024, from
Chicago Format
Sergeev, Alexey. RSPT Expansion. May 9, 2005. (accessed 15 April 2024).
MLA Format
Sergeev, Alexey. RSPT Expansion. 2005. 9 May 2005. 15 Apr. 2024 <>.
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@misc{ Author = "Alexey Sergeev", Title = {RSPT Expansion}, Volume = {2024}, Number = {15 April 2024}, Month = {May 9, 2005}, Year = {2005} }
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%A Alexey Sergeev %T RSPT Expansion %D May 9, 2005 %U %O text/html

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%0 Electronic Source %A Sergeev, Alexey %D May 9, 2005 %T RSPT Expansion %V 2024 %N 15 April 2024 %8 May 9, 2005 %9 text/html %U

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