Large N renormalization group study of the commensurate dirty boson problem

TL;DR

This paper employs a large N renormalization group approach to analyze a model of interacting bosons subjected to quenched disorder, providing insights into the phase behavior of dirty boson systems.

Contribution

It introduces a large N renormalization group technique to study the disordered boson problem, offering a novel analytical framework.

Findings

Identifies phase transitions in the dirty boson system.

Provides critical exponents for the phase transition.

Shows the impact of disorder on bosonic interactions.

Abstract

(Short Description) We use a large N renormalization group method to study a model of interacting boson system with a quenched random potential.