GHOSH, Kanka; KUSIAK, Andrzej; BATTAGLIA, Jean-Luc

doi:10.1088/1361-648X/ac718a

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GHOSH, Kanka
Institut de Mécanique et d'Ingénierie [I2M]

KUSIAK, Andrzej
Institut de Mécanique et d'Ingénierie [I2M]

BATTAGLIA, Jean-Luc

Institut de Mécanique et d'Ingénierie [I2M]

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Article de revue

Ce document a été publié dans

Journal of Physics. 2022-06-16, vol. 34, n° 32

Résumé en anglais

Phonon hydrodynamics is an exotic phonon transport phenomenon that challenges the conventional understanding of diffusive phonon scattering in crystalline solids. It features a peculiar collective motion of phonons with various unconventional properties resembling fluid hydrodynamics, facilitating non Fourier heat transport. Hence, it opens up several new avenues to enrich the knowledge and implementations on phonon physics, phonon engineering, and micro and nanoelectronic device technologies. This review aims at covering a comprehensive development as well as the recent advancements in this field via experiments, analytical methods, and state-of-the-art numerical techniques. The evolution of the topic has been realized using both phenomenological and material science perspectives. Further, the discussions related to the factors that influence such peculiar motion, illustrate the capability of phonon hydrodynamics to be implemented in various applications. A plethora of new ideas can emerge from the topic considering both the physics and the material science axes, navigating toward a promising outlook in the research areas around phonon transport in non-metallic solids.< Réduire

Mots clés en anglais

Phonon hydrodynamics

Phonon transport

Collective phonon dynamics

Phonon scattering

Second sound

Phonon Poiseuille flow