English
Related papers

Related papers: Linear-in-T resistivity in dilute metals: A Fermi …

200 papers

We consider the well-known phonon scattering induced high-temperature linear-in-$T$ metallic resistivity, showing that a naive extrapolation of the effective linearity from high temperatures to $T=0$ leads to an apparent zero-temperature…

Mesoscale and Nanoscale Physics · Physics 2024-09-04 Yi-Ting Tu , Sankar Das Sarma

Due to its incommensurate nature, moir\'e superlattices host not only acoustic phonons but also another type of soft collective modes called phasons. Here, we investigate the impact of electron-phason scattering on the transport properties…

Mesoscale and Nanoscale Physics · Physics 2023-09-06 Héctor Ochoa , Rafael M. Fernandes

A variety of "strange metals" exhibit resistivity that decreases linearly with temperature as $T\rightarrow 0$, in contrast with conventional metals where resistivity decreases as $T^2$. This $T$-linear resistivity has been attributed to…

Strongly Correlated Electrons · Physics 2021-08-16 G. Grissonnanche , Y. Fang , A. Legros , S. Verret , F. Laliberté , C. Collignon , J. Zhou , D. Graf , P. Goddard , L. Taillefer , B. J. Ramshaw

We theoretically calculate the phonon scattering limited electron mobility in extrinsic (i.e. gated or doped with a tunable and finite carrier density) 2D graphene layers as a function of temperature $(T)$ and carrier density $(n)$. We find…

Mesoscale and Nanoscale Physics · Physics 2008-05-12 E. H. Hwang , S. Das Sarma

The in-plane acoustic phonon scattering in graphene is solved by considering fully inelastic acoustic phonon scatterings in two-dimensional (2D) Dirac materials for large range of temperature ($T$) and chemical potential ($\mu$). Rigorous…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Khoe Van Nguyen , Yia-Chung Chang

We describe and discuss the low-temperature resistivity (and the temperature-dependent inelastic scattering rate) of several different doped 2D semiconductor systems from the perspective of the Planckian hypothesis asserting that…

Mesoscale and Nanoscale Physics · Physics 2022-11-02 Seongjin Ahn , Sankar Das Sarma

We study the effect of electron-acoustic phonon interactions in twisted bilayer graphene on resistivity in the high-temperature transport and superconductivity in the low-temperature phase diagram. We theoretically show that twisted bilayer…

Mesoscale and Nanoscale Physics · Physics 2019-04-10 Fengcheng Wu , Euyheon Hwang , Sankar Das Sarma

The mechanism of superconductivity in materials with aborted ferroelectricity and the emergence of a dilute metallic phase in systems like doped-SrTiO$_3$ are outstanding issues in condensed matter physics. This dilute metal has features…

Strongly Correlated Electrons · Physics 2024-03-01 K. Santhosh Kumar , Dooyong Lee , Shivasheesh Varshney , Bharat Jalan , N. P. Armitage

Phonon scattering by electrons, or "phonon-electron scattering", has been recognized as a significant scattering channel for phonons in materials with high electron concentration, such as thermoelectrics and nanoelectronics, even at room…

Materials Science · Physics 2019-09-11 Sheng-Ying Yue , Runqing Yang , Bolin Liao

In three dimensional (3D) disordered metals, the electron-phonon (\emph{e}-ph) scattering is the sole significant inelastic process. Thus the theoretical predication concerning the electron-electron (\emph{e}-\emph{e}) scattering rate…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Yang Yang , Xin-Dian Liu , Zhi-Qing Li

High $T_c$ cuprate strange metals are noted for a DC-resistivity that scales linearly with $T$ from the onset of superconductivity to the crystal melting temperature, indicative of a Planckian dissipation life time $\tau_{\hbar}\simeq \hbar…

By studying the temperature-dependent behavior of electron thermal conductivity (k) in a 3.2 nm-thin film, we quantify the extremely confined defect-electron scattering and reveal the intrinsic phonon-electron scattering that is shared by…

Mesoscale and Nanoscale Physics · Physics 2015-01-16 Zhe Cheng , Zaoli Xu , Shen Xu , Xinwei Wang

We report on the temperature dependent electron transport in graphene at different carrier densities $n$. Employing an electrolytic gate, we demonstrate that $n$ can be adjusted up to 4$\times10^{14}$cm$^{-2}$ for both electrons and holes.…

Mesoscale and Nanoscale Physics · Physics 2010-12-14 Dmitri K. Efetov , Philip Kim

We explain recent challenging experimental observations of universal scattering rate related to the linear-temperature resistivity exhibited by a large corps of both strongly correlated Fermi systems and conventional metals. We show that…

Strongly Correlated Electrons · Physics 2019-10-29 V. R. Shaginyan , M. Ya. Amusia , A. Z. Msezane , V. A. Stephanovich , G. S. Japaridze , S. A. Artamonov

We show that near a quantum critical point generating quantum criticality of strongly correlated metals where the density of electron states diverges, the quasi-classical physics remains applicable to the description of the resistivity \rho…

Strongly Correlated Electrons · Physics 2013-09-12 V. R. Shaginyan , K. G. Popov , V. A. Khodel

Perturbative considerations account for the properties of conventional metals, including the range of temperatures where the transport scattering rate is $1/\tau_\text{tr} = 2\pi \lambda T$, where $\lambda$ is a dimensionless strength of…

Strongly Correlated Electrons · Physics 2023-05-16 Chaitanya Murthy , Akshat Pandey , Ilya Esterlis , Steven A. Kivelson

First principles-based predictions of lattice thermal conductivity (TC) from perturbation theory have achieved significant success. Usually, it only included three-phonon (3ph) scattering processes, only recently four-phonon (4ph)…

Materials Science · Physics 2025-03-25 H. F. Feng , B. Liu , Xin-Gao Gong , Zhi-Xin Guo

The linear-$T$ resistivity is one of the hallmarks of various strange metals regardless of their microscopic details. Towards understanding this universal property, the holographic method or gauge/gravity duality has made much progress.…

High Energy Physics - Theory · Physics 2024-07-01 Yongjun Ahn , Hyun-Sik Jeong , Dujin Ahn , Keun-Young Kim

Multi-pulse nonlinear THz spectroscopies enable a new understanding of interacting metallic systems via their sensitivity to novel correlation functions. Here, we investigated the THz nonlinear properties of the dilute metallic phase of…

Strongly Correlated Electrons · Physics 2025-01-28 K. Santhosh Kumar , David Barbalas , Rishi Bhandia , Dooyong Lee , Shivasheesh Varshney , Bharat Jalan , N. P. Armitage

We theoretically consider the temperature and density dependent transport properties of semiconductor-based 2D carrier systems within the RPA-Boltzmann transport theory, taking into account realistic screened charged impurity scattering in…

Strongly Correlated Electrons · Physics 2009-11-10 S. Das Sarma , E. H. Hwang
‹ Prev 1 2 3 10 Next ›