If one of the in- and outgoing Fermion lines has Nambu index 1, the other line must have Nambu index 2 (and vice versa), as shown in Fig

The interaction vertices generated by the two-body interaction term ˆHint are diagonal in the Nambu indices

1 Pith paper cite this work. Polarity classification is still indexing.

1 Pith paper citing it

browse 1 citing papers

representative citing papers

cond-mat.quant-gas · 2026-02-19 · unverdicted · novelty 4.0

Third-order perturbative calculation of Hartree shift and pairing gap in low-momentum interaction model for BCS-side Fermi gases.

Showing 1 of 1 citing paper.

Hartree shift and pairing gap in ultracold Fermi gases in the framework of low-momentum interactions cond-mat.quant-gas · 2026-02-19 · unverdicted · none · ref 5
Third-order perturbative calculation of Hartree shift and pairing gap in low-momentum interaction model for BCS-side Fermi gases.