%0 Journal Article %A Bach, Volker %A Breteaux, Sébastien %T Minimization of the energy of the nonrelativistic one-electron Pauli-Fierz model over quasifree states %J Documenta mathematica %D 2013 %P 1481-1519 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2013__18__a4/ %G en %F DOCMA_2013__18__a4