Energy levels of a two-dimensional anharmonic oscillator: Hill determinant approach
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The energy levels of the Schrödinger equation for the potentialx2+y2+λ[axxx4+2axyx2y2+ayyy4] are calculated using Hill determinant approach for several eigenstates and over a wide range of values of perturbation parameters. The obtained numerical results agree with those previously reported by other methods.
Volume 97, 2023
Continuous Article Publishing mode
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