activity
20232026
collaborators

5 papers

hep-lat2026

Anomalous behavior of Wilson fermions in the presence of monopoles

Manuel Cortina, Rajamani Narayanan, Ray Romero

Three dimensional compact U(1) gauge theory supports a finite density of monopoles at a fixed lattice gauge coupling. After showing evidence for the expected dependence on the latt…

hep-lat2025

Lattice study of two-dimensional SU(2) gauge theories with a single massless Majorana fermion

Rajamani Narayanan, Ray Romero

Massless overlap fermions in the real representation of two dimensional gauge theories exhibit a mod() index due to the rigidity of its spectrum when viewed as a funct…

hep-th2024

Massless fermions in uniform flux background on : Vacuum quantum numbers from single-particle filled modes using lattice regulator

Nikhil Karthik, Rajamani Narayanan, Ray Romero

The quantum numbers of monopoles in in the presence of massless fermions have been analyzed using a uniform flux background in coupled to fermions. An analogous…

hep-lat2024

Scaling dimension of -flux monopole operator in four-flavor three-dimensional QED using lattice simulation

Nikhil Karthik, Rajamani Narayanan

We numerically address the issue of which monopole operators are relevant under renormalization group flow in three-dimensional parity-invariant noncompact QED with flavors of…

hep-lat2023

Approaching the conformal WZW behavior in the infrared limit of two-dimensional massless QCD: a lattice study

Nikhil Karthik, Rajamani Narayanan, Sruthi A. Narayanan

Two-dimensional QCD with colors and flavors of massless fermions in the fundamental representation is expected to exhibit conformal behavior in the infrared governed by…