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

J. H. Pixley , Stefan Kirchner , M. T. Glossop , Qimiao Si

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classification ❄️ cond-mat.str-el

keywords modelbose-fermicarlocontinuous-timect-qmckondomethodmonte

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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.

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

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