The problem of determining the wavefunction is solved for the boson Bogoliubov transformation. The method of series expansion is applied to derive the general expression for the coefficients which connect the new Fock states of an arbitrary number of quasiparticles with the states before the transformation.

Journal of Mathematical PhysicsMay 1, 197325 citations

Zeitschrift für Physik B Condensed Matter

On the general linear (Bogoliubov-) transformation for bosons

Wolfgang Witschel

Published Sep 1, 1975• 0 citations

Publisher

DOI: 10.1007/pl00020756

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