Thermal diode: Rectification of heat flux
Baowen Li, Lei Wang, and Giulio Casati (Department of Physics,, National University of Singapore, Rep. of Singapore)
TL;DR
This paper introduces a thermal diode model using coupled nonlinear lattices that allows heat flow in one direction but not the other, supported by numerical and analytical evidence, with potential nano-scale applications.
Contribution
It presents a novel thermal diode design based on coupled nonlinear lattices, demonstrating rectification over a wide parameter range with analytical backing.
Findings
Heat flux is allowed in one direction but blocked in the reverse.
The mechanism is supported by numerical and analytical evidence.
Potential for experimental realization in nano-scale systems.
Abstract
By coupling two nonlinear one dimensional lattices, we demonstrate a thermal diode model that works in a wide range of system parameters. We provide numerical and analytical evidence for the underlying mechanism which allows heat flux in one direction while the system acts like an insulator when the temperature gradient is reversed. The possible experimental realization in nano scale systems is briefly discussed.
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