Sonnek

Squeezed excited states in exciton-phonon systems.

Wagner, Sonnek, Eiermann, 1995, Physical Review B (Condensed Matter).

Exciton-phonon ground state in the Fulton-Gouterman framework: Contrast of antisqueezing and reflection in Q space.

Wagner, Frank, Sonnek, 1994, Physical review. B, Condensed matter.