Abstract
A unified perspective is given on a number of different problems involving the coupling of a localized quantum spin degree of freedom to the low energy excitations of an antiferromagnet, a spin glass, or a Kondo insulator. The problems are related to those in the class often referred to as “Bose Kondo.”
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Sachdev, S. Quantum Impurity in a Magnetic Environment. Journal of Statistical Physics 115, 47–56 (2004). https://doi.org/10.1023/B:JOSS.0000019819.67227.f8
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DOI: https://doi.org/10.1023/B:JOSS.0000019819.67227.f8