4 papers
Note on surface defects in multiscalar critical models
Andrii Anataichuk, Sabine Harribey
This paper studies generic surface defects for multiscalar critical models using a perturbative expansion in dimensions. The beta functions of the defect couplings for…
Addendum: Long-range multi-scalar models at three loops
Dario Benedetti, Razvan Gurau, Sabine Harribey
We correct the computation of one Feynman diagram in the three-loop beta functions for the long-range quartic multi-scalar model, originally presented in (2020 J. Phys. A: Math. Th…
Multiscalar Critical Models with Localised Cubic Interactions
Sabine Harribey, William H. Pannell, Andreas Stergiou
Interface localised interactions are studied for multiscalar universality classes accessible with the perturbative expansion in dimensions. The associ…
Long-range multi-scalar models at three loops
Dario Benedetti, Razvan Gurau, Sabine Harribey +1
We compute the three-loop beta functions of long-range multi-scalar models with general quartic interactions. The long-range nature of the models is encoded in a kinetic term with…