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Expanding energy of anharmonic oscillators
in powers of a coupling constant g |
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Name of the problem | Hamiltonian | Click below to calculate the expansion coefficients |
Quartic anharmonic oscillator | Run Mathematica program | |
Sextic anharmonic oscillator | Run Mathematica program | |
Octic anharmonic oscillator | Run Mathematica program | |
Cubic anharmonic oscillator | Run Mathematica program | |
Barbanis potential (two-dimensional anharmonic oscillator) |
Run Mathematica program |
Expanding energy for a screened Coulomb potential
in powers of the screening parameter |
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Name of the problem | Hamiltonian | Click below to calculate the expansion coefficients |
Superposition of the Coulomb and Yukawa potentials | Run Mathematica program |
More problems such as relativistic screened Coulomb potentials, Stark, Zeeman effects and 1/D-expansions may be added later.
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