Electron-Phonon Interaction in Strongly Correlated Systems
Figure 1
Leading-order in diagrammatic structure of the effective e- vertex dressed by electronic processes only: the dashed line is the slave-boson propagator only involving and bosons (pure e-e interaction), the solid dot is the dressed e- vertex, the open dots are the bare e- vertices and the grey dots are the quasiparticle-slave-boson vertices.
