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arXiv · 1809.03688

Quantum critical phenomena in heat transport via a two-state system

Tsuyoshi Yamamoto·Takeo Kato
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Abstract

We present a theoretical study of the quantum critical behavior in heat transport via a two-state system with sub-ohmic reservoirs. We calculate the temperature dependence of the thermal conductance near the quantum phase transition via the continuous-time quantum Monte Carlo method and discuss its critical exponents. We also propose a superconducting circuit to realize the sub-ohmic spin-boson model that can be used to observe quantum critical phenomena.

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Tsuyoshi Yamamoto, Takeo Kato. 2018-12-12. Quantum critical phenomena in heat transport via a two-state system. https://doi.org/10.1103/physrevb.98.245412

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