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|Title:||Homogeneous thermal cloak with constant conductivity and tunable heat localization|
|Source:||Han, T., Yuan, T., Li, B., Qiu, C.-W. (2013). Homogeneous thermal cloak with constant conductivity and tunable heat localization. Scientific Reports 3 : -. ScholarBank@NUS Repository. https://doi.org/10.1038/srep01593|
|Abstract:||Invisible cloak has long captivated the popular conjecture and attracted intensive research in various communities of wave dynamics, e.g., optics, electromagnetics, acoustics, etc. However, their inhomogeneous and extreme parameters imposed by transformation-optic method will usually require challenging realization with metamaterials, resulting in narrow bandwidth, loss, polarization-dependence, etc. In this paper, we demonstrate that thermodynamic cloak can be achieved with homogeneous and finite conductivity only employing naturally available materials. It is demonstrated that the thermal localization inside the coating layer can be tuned and controlled robustly by anisotropy, which enables an incomplete cloak to function perfectly. Practical realization of such homogeneous thermal cloak has been suggested by using two naturally occurring conductive materials, which provides an unprecedentedly plausible way to flexibly realize thermal cloak and manipulate heat flow with phonons.|
|Source Title:||Scientific Reports|
|Appears in Collections:||Staff Publications|
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