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arXiv · 1208.5989

Criticality in transport through the quantum Ising chain

Malte Vogl·Gernot Schaller·Tobias Brandes
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Abstract

We consider thermal transport between two reservoirs coupled by a quantum Ising chain as a model for non-equilibrium physics induced in quantum-critical many-body systems. By deriving rate equations based on exact expressions for the quasiparticle pairs generated during the transport, we observe signatures of the underlying quantum phase transition in the steady-state energy current already at finite reservoir temperatures.

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Malte Vogl, Gernot Schaller, Tobias Brandes. 2012-11-12. Criticality in transport through the quantum Ising chain. https://doi.org/10.1103/physrevlett.109.240402

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