Resonances in Fock Space: Optimization of a SASER device
  We model the Fock space for the electronic resonant tunneling through a double barrier including the coherent effects of the electron-phonon interaction. The geometry is optimized to achieve the maximal optical phonon emission required by a SASER (ultrasound emitter) device. 
L. E. F. Foa Torres, H. M. Pastawski and S. S. Makler