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Mathematica
programs for this calculation
600 coefficients for
n=0,
n=1, and
n=2
for the quartic anharmonic oscillator
V(x) = x2/2 + x4
calculated earlier.
1000 coefficients for
n=0,
n=1, and
n=2
for the quartic anharmonic oscillator, in gzip-format.
435 coefficients
of the ground-state energy expansion
for the sextic anharmonic oscillator
V(x) = x2/2 + x6
calculated earlier.
Only non-zero coefficients E1, E3, E5, ... are listed there.
350 coefficients
of the ground-state energy expansion
for the octic anharmonic oscillator
V(x) = x2/2 + x8
calculated earlier.
Only non-zero coefficients E1, E4, E7, ... are listed there.
380 coefficients
of the ground-state energy expansion
for the cubic anharmonic oscillator
V(x) = x2/2 + x3
calculated earlier.
251 coefficients
of the ground-state energy expansion
for the Mathieu potential
V(x) = cos x
calculated earlier.
On-line
calculation of Rayleigh - Schrödinger perturbation series
Designed by A. Sergeev