Breakdown of Fermi liquid behavior near the hot spots in a two-dimensional model: A two-loop renormalization group analysis

Vanuildo S. de Carvalho, Hermann Freire

Motivated by a recent experimental observation of a nodal liquid on both single crystals and thin films of Bi${}_2$Sr${}_2$CaCu${}_2$O${}_{8+\delta }$ by Chatterjee \emph{et al.} [Nature Physics…