Physical Review Letters
Physical Review Letters
5 years ago

Hydrodynamic Heat Transport Regime in Bismuth: A Theoretical Viewpoint

Hydrodynamic Heat Transport Regime in Bismuth: A Theoretical Viewpoint
Giorgia Fugallo, Giuliana Barbarino, Nathalie Vast, Maxime Markov, Francesco Mauri, Lorenzo Paulatto, Michele Lazzeri, Jelena Sjakste
Bismuth is one of the rare materials in which second sound has been experimentally observed. Our exact calculations of thermal transport with the Boltzmann equation predict the occurrence of this Poiseuille phonon flow between $≈1.5$ and $≈3.5\text{ }\text{ }\mathrm{K}$, in a sample size of 3.86 and...

Publisher URL: http://link.aps.org/doi/10.1103/PhysRevLett.120.075901

DOI: 10.1103/PhysRevLett.120.075901

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