173 citations · 261 across the 30 of their papers we have counts for
12 papers · 1 filter
The often overlooked role of sound in liquid thermal transport
Kamran Behnia
Formulated a hundred years ago, the Bridgman formula for thermal conductivity of liquids postulates a proportionality between sound velocity and thermal conductivity. This designat…
Electron-phonon coupled hydrodynamics in semimetal TaAs_2
Shan Jiang, Wei Xie, Xiaokang Li +2
Hydrodynamic corrections to diffusive transport can arise when momentum-conserving collisions between quasiparticles become prominent, and they have been documented for both electr…
Observation of thermal Hall effect in diamond
Marcin Matusiak, Andrzej Ptok, Maria Szlawska +1
Numerous insulators, including non-magnetic ones, have been unexpectedly found to display a finite thermal Hall signal, which has stimulated debate about its origin. Here, we repor…
Thermal Hall resistivity and transverse entropy production in a phonon gas
Xiaodong Guo, Xiaokang Li, Alaska Subedi +2
Most theories of the phonon thermal Hall effect ignore phonon-phonon interactions. Here, by recalling the Senftleben-Beenakker effect in molecular gases, we argue that a magnetic f…
Phonon Thermal Hall Effect in quartz and its absence in silica
Yu Ling, Benoît Fauqué, Kamran Behnia
The observation of a misalignment between the applied heat flux and the measured temperature gradient in insulating solids induced by magnetic field has become a subject of experim…
Incipient modulated phase in SrCaTiO
Benoît Fauqué, Daniel A. Chaney, Philippe Bourges +8
Nanometer-scale modulations can spontaneously emerge in complex materials when multiple degrees of freedom interact. Here we demonstrate that ferroelectric SrCaTiO…
Comment on `High-resolution Measurements of Thermal Conductivity Matrix and Search for Thermal Hall Effect in LaCuO'
Shan Jiang, Qiaochao Xiang, Benoît Fauqué +3
Recently, Jiayi Hu and co-workers reported that they did not resolve any thermal Hall signal in LaCuO by `high resolution' measurements, setting an upper bound of $|κ_{xy}|…
Deep-lying semi-Dirac fermions in hexagonal close-packed cadmium
Alaska Subedi, Kamran Behnia
Semi-Dirac fermions are massless in one direction and massive in the perpendicular directions. Such quasiparticles have been proposed in various contexts in condensed matter. Using…
Phonon hydrodynamic regimes in sapphire
Takuya Kawabata, Kosuke Shimura, Yuto Ishii +7
When an ideal insulator is cooled, four regimes of thermal conductivity are expected to emerge one after another. Two of these, the Ziman and the Poiseuille, are hydrodynamic regim…
Magnetic memory and distinct spin populations in ferromagnetic Co3Sn2S2
Charles Menil, Brigitte Leridon, Antonella Cavanna +7
Co3Sn2S2, a ferromagnetic Weyl semi-metal with Co atoms on a kagome lattice, has generated much recent attention. Experiments have identified a temperature scale below the Curie te…
Near-critical dark opalescence in out-of-equilibrium SF
Valentina Martelli, Amaury Anquetil, Lin Al Atik +4
The first-order phase transition between the liquid and gaseous phases ends at a critical point. Critical opalescence occurs at this singularity. Discovered in 1822, it is known to…
High-field immiscibility of electrons belonging to adjacent twinned bismuth crystals
Yuhao Ye, Akiyoshi Yamada, Yuto Kinoshita +16
Bulk bismuth has a complex Landau spectrum. The small effective masses and the large g-factors are anisotropic. The chemical potential drifts at high magnetic fields. Moreover, twi…