Theoretical Approach to the Gauge Invariant Linear Response Theories for Ultracold Fermi Gases with Pseudogap

<div>EM interaction vertex. The left one is the bare vertex, and the right one is the full vertex. The solid line denotes the fermion line and the dashed line denotes the photon line.</div>

Advances in Condensed Matter Physics

fig1

Figure 1

Figure 1: Theoretical Approach to the Gauge Invariant Linear Response Theories for Ultracold Fermi Gases with Pseudogap 