Continuous-Time Monte Carlo study of the pseudogap Bose-Fermi Kondo model

Abstract

We study the pseudogap Bose–Fermi Anderson model with a continuous-time quantum Monte Carlo (CT-QMC) method. We discuss some delicate aspects of the transformation from this model to the Bose–Fermi Kondo model. We show that the CT-QMC method can be used at sufficiently low temperatures to access the quantum critical properties of these models.