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Similarity of Scattering Rates in Metals Showing T-Linear Resistivity

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It is found that the resistivity of the quantum critical metal Sr3Ru2O7 is also T-linear at the critical magnetic field of 7.9 T, and the scattering rate per kelvin is well approximated by the ratio of the Boltzmann constant to the Planck constant divided by 2π.
Abstract
Many exotic compounds, such as cuprate superconductors and heavy fermion materials, exhibit a linear in temperature (T) resistivity, the origin of which is not well understood. We found that the resistivity of the quantum critical metal Sr(3)Ru(2)O(7) is also T-linear at the critical magnetic field of 7.9 T. Using the precise existing data for the Fermi surface topography and quasiparticle velocities of Sr(3)Ru(2)O(7), we show that in the region of the T-linear resistivity, the scattering rate per kelvin is well approximated by the ratio of the Boltzmann constant to the Planck constant divided by 2π. Extending the analysis to a number of other materials reveals similar results in the T-linear region, in spite of large differences in the microscopic origins of the scattering.

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Theory of universal incoherent metallic transport

TL;DR: A universal framework of incoherent metallic transport in which quantities are bounded could be the way forward as discussed by the authors, where linear resistivity across many strongly correlated materials at high temperatures has no satisfactory explanation.
Book

Holographic Quantum Matter

TL;DR: In this paper, a review of theories of states of quantum matter without quasiparticle excitations is provided through a holographic duality with gravitational theories in an emergent spatial dimension.
Book ChapterDOI

Electrons and Phonons

Journal ArticleDOI

Graphene bilayers with a twist

TL;DR: In this article, the magic-angle twisted bilayer bilayer graphene has been shown to have properties that are sensitive to carrier density and to controllable environmental factors such as the proximity of nearby gates and twist-angle variation.
Journal ArticleDOI

Evidence for hydrodynamic electron flow in PdCoO2

TL;DR: Experimental evidence that the resistance of restricted channels of the ultrapure two-dimensional metal palladium cobaltate (PdCoO2) has a large viscous contribution is reported, suggesting a role for the viscosity of the fluid in determining the resistance.
References
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Journal ArticleDOI

Electrons and Phonons

John Ziman, +1 more
- 01 Nov 1961 - 
Journal ArticleDOI

Viscosity in strongly interacting quantum field theories from black hole physics

TL;DR: It is provided evidence that this value of shear viscosity to volume density of entropy may serve as a lower bound for a wide class of systems, thus suggesting that black hole horizons are dual to the most ideal fluids.
Journal ArticleDOI

Non-Fermi-liquid behavior in d - and f -electron metals

TL;DR: A relatively new class of materials has been found in which exhibit unusual temperature dependences in their low-temperature properties, including several examples in which the specific heat divided by temperature shows a singular $\mathrm{log}T$ temperature dependence over more than two orders of magnitude as mentioned in this paper.
Journal ArticleDOI

Electrical resistivity of copper, gold, palladium, and silver

TL;DR: In this article, recommended values for the electrical resistivity as a function of temperature from the cryogenic region to well beyond the melting point are given for bulk pure copper, gold, palladium, and silver.
Journal ArticleDOI

Elliptic flow of identified hadrons in [formula presented] collisions at [formula presented]

S. S. Adler, +338 more
TL;DR: In this article, the anisotropy parameter of the second harmonic of the azimuthal particle distribution has been measured with the PHENIX detector in Au+Au collisions at roots(NN)=200 GeV for identified and inclusive charged particle production at central rapidities.
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