Mizrahi, S. S.Galetti, D. [UNESP]2014-05-272014-05-271990-04-01Physica A: Statistical Mechanics and its Applications, v. 164, n. 2, p. 440-452, 1990.0378-4371http://hdl.handle.net/11449/63975We derive an alternative semiclassical approach (to the Wigner-Kirkwood method) for many-body systems using a mapping scheme based on the squeezed states phase space representation. The new expansion is applied to the usual harmonic oscillator case and the differences with the Wigner-Kirkwood results are discussed. © 1990.440-452engArtigo10.1016/0378-4371(90)90206-8Acesso restrito2-s2.0-45149139937