Borges, G.R.P.; Filho, Elso Drigo; Ricotta, R.M. - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 18, pp. 3892-3899
–Planck equation. The treatment is based in an analysis of the Schrödinger equation through the variational method associated to the … obtain the trial functions of the variational method. The hierarchy of effective Hamiltonians permits us to determine the …