Hydrodynamic phonon transport
Web2 including the ultra-high dc-conductivity, phonon-drag, and hydrodynamic electron transport. Introduction. The interaction of an electron with a phonon plays a key role in emer-gent phenomena such as the polaron, charge density wave, and superconductivity. The electron-phonon interaction manifests itself, among others, in the ac-response of ... Web1 mrt. 2024 · Hydrodynamics is a kind of macroscopic phenomenon 1-4 , resulting from the frequent interactions between microscopic (quasi-)particles and satisfying the …
Hydrodynamic phonon transport
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WebThe hydrodynamic phonon transport was studied several decades ago for verifying the quantum theory of lattice thermal transport. Recent prediction of significant … WebWe review the effective field theory associated with the superfluid phonons that we use for the study of transport properties in the core of superfluid neutrons stars in their low temperature regime. We then discuss the shear and bulk viscosities together with the thermal conductivity coming from the collisions of superfluid phonons in neutron stars. …
Web1 jan. 2024 · The theoretical modeling of hydrodynamic phonon transport has an appreciably long history. The classical Guyer-Krumhansl (G-K) heat transport equation was derived through a solution of the linearized phonon Boltzmann equation during the exploration of second sound in the middle years of last century [9,10]. Web16 feb. 2024 · Thermal Transport and Phonon Hydrodynamics in Strontium Titanate. We present a study of thermal conductivity, κ, in undoped and doped strontium titanate in a …
WebWe study non-linear dc transport in graphene using a hydrodynamic approach and conclude that in clean samples the drift velocity saturates at a weakly density-dependent value cm/s. We show that saturation results from… http://d-scholarship.pitt.edu/40433/
WebDOI: 10.1103/physrevb.102.195302 Corpus ID: 229508916; Hydrodynamic phonon transport in bulk crystalline polymers @article{Zhang2024HydrodynamicPT, …
Web17 okt. 2016 · The onset of hydrodynamic transport is related to a dominance of the nonresistive processes that cause phonon-phonon scattering in these materials. Its interpretation and the design of experiments for observing it may be enabled by predictions made from the relaxon theory. the inn at whitewell whitewellWeb10 dec. 2024 · hydrodynamic phonon transport thermal conductivity interfacial thermal resistance Acknowledgments This work is based on research supported by the U. S. … the inn at whitewell postcodeWebHydrodynamic phonon transport has recently received renewed attention after first-principles based studies predicted significant hydrodynamic phonon transport in … the inn at whitewell the tripWeb13 mrt. 2024 · In this work, we studied four-phonon scattering and hydrodynamic transport, both of which were found to be significant in 2D hexagonal structures. With the increase of atomic mass ratio, the relative four-phonon scattering is gradually enhanced, whereas hydrodynamic transport is weakened. the inn at whitney\u0027s farm jackson village nhWeb18 feb. 2015 · The hydrodynamic transport is demonstrated through drift motion of phonons, phonon Poiseuille flow and second sound. The significant hydrodynamic phonon transport in graphene is associated with graphene’s two-dimensional features. This research opens a new avenue for understanding and manipulating heat flow in two … the inn at willow bayWeb1 dec. 2024 · Hydrodynamic phonon transport was also predicted in single-walled carbon nanotubes [262] and graphite [263]. These first-principles phonon calculations for graphitic materials predict that the hydrodynamic regime dominates over ballistic and diffusive regimes in a wide range of temperature, 50–150 K, depending on the sample size. the inn at whitewoodWeb23 apr. 2024 · Hydrodynamics is the macroscopic manifestation of the conservation of energy, momentum, and the number of particles. In a two-band system, the latter comprises excitations in both bands. In the conductance band these are electron-like quasiparticles with the number density ( N = 4 reflects spin and valley degeneracy in graphene) the inn at whitewell online