Variational method for excited states from supersymmetric techniques

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2003-11-01

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Coorientador

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We suggest a method for constructing trial eigenfunctions for excited states to be used in the variational method. This method is a generalization of the one that uses a superpotential to obtain the trial functions for the ground state. The construction of an effective hierarchy of Hamiltonians is used to determine excited variational energies. The first four eigenvalues for a quartic double-well potential are calculated for several values of the potential parameter. The results are in very good agreement with the eigenvalues obtained by numerical integration.

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Inglês

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Canadian Journal of Physics, v. 81, n. 11, p. 1283-1291, 2003.

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