2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42978Higlighting certain similarities between the two-dimensional Luttinger liquid model and the effective fermionic theory obtained from the hypercharge Lagrangian, we argue the case for a new type of Standard Model extension.7 pages, 1 postscript figureHigh Energy Physics - PhenomenologyStrongly Correlated Electronstext