New variational perturbation theory based on $q-$deformed oscillator

Details New variational perturbation theory based on $q-$deformed oscillator New variational perturbation theory based on $q-$deformed oscillator

2004-12-02

arxiv.org/abs/hep-th/0412019v5

Int.J.Theor.Phys. 45 (2006) 984-993

Physics

High Energy Physics

High Energy Physics - Theory

6pages, no figures, minor corrections

Scientific paper

A new variational perturbation theory is developed based on the $q-$deformed
oscillator. It is shown that the new variational perturbation method provides
200 or 10 times better accuracy for the ground state energy of anharmonic
oscillator than the Gaussian and the improved Gaussian approximation,
respectively.

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