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Heat transport in active harmonic chains

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Kottos,  Tsampikos
Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Fleischmann,  Ragnar
Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Geisel,  Theo
Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Zheng, M., Ellis, F., Kottos, T., Fleischmann, R., Geisel, T., & Prosen, T. (2011). Heat transport in active harmonic chains. Physical Review E, 84: 021119. doi:10.1103/PhysRevE.84.021119.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-1177-8
Abstract
We show that a harmonic lattice model with amplifying and attenuating elements, when coupled to two thermal baths, exhibits unique heat transport properties. Some of these novel features include anomalous nonequilibrium steady-state heat currents, negative differential thermal conductance, as well as nonreciprocal heat transport. We find that when these elements are arranged in a PT -symmetric manner, the domain of existence of the nonequilibrium steady state is maximized. We propose an electronic experimental setup based on resistiveinductive-capacitive (RLC) transmission lines, where our predictions can be tested.