Keldysh Functional Renormalization Group Treatment of Finite-Ranged Interactions in Quantum Point Contacts

Understand

We combine two recently established methods, the extended Coupled-Ladder Approximation (eCLA) [Phys.

• Rev.
• B 95, 035122 (2017)] and a dynamic Keldysh functional Renormalization Group (fRG) approach for inhomogeneous systems [Phys.
• Rev.