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Radiation from a charged particle travelling parallel to a rough surface has been considered. Spectral-angular intensity is calculated in the weak scattering regime. It is shown that the main contribution to the radiation intensity is…

Accelerator Physics · Physics 2015-05-30 Zh. S. Gevorkian

Thermoelectric conductance of an edge mode is investigated. The edge modes of a $2D $ and $3D$ two band model with parabolic dispersion is considered. For the the one dimensional non interacting fermions the thermal conductivity computed…

Mesoscale and Nanoscale Physics · Physics 2019-06-21 D. Schmeltzer

We evaluate accurate low-field/low-temperature asymptotics of the thermal conductivity perpendicular to magnetic field for one-band and two-band s-wave superconductors using Keldysh-Usadel formalism. We show that heat transport in this…

Superconductivity · Physics 2015-05-20 A. A. Golubov , A. E. Koshelev

Using the linearized Boltzmann transport equation and perturbation theory, we analyze the reduction in the intrinsic thermal conductivity of few-layer graphene sheets accounting for all possible three-phonon scattering events. Even with…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Dhruv Singh , Jayathi Y. Murthy , Timothy S. Fisher

Ever since the discovery of the record-high thermal conductivity of single layer graphene, thermal transport capability of monolayer 2D materials has been under constant spotlight. Since thermal conductivity is an intensive property for 3D…

Materials Science · Physics 2017-02-01 Xufei Wu , Vikas Varshney , Jonghoon Lee , Yunsong Pang , Ajit K. Roy , Tengfei Luo

Pump-probe experiments and polarizing microscopy are applied to examine temperature and heat flow in metallic magnetic superlattices on glass substrates. A model of heat diffusion in thin layers for cylindrical symmetry, equivalent to the…

Mesoscale and Nanoscale Physics · Physics 2017-12-06 F. Hoveyda , M. Adnani , S. Smadici

We examine the temperature dependence of the optical sum rule in the normal state due to interactions. To be concrete we adopt a weak coupling approach which uses an electron-boson exchange model to describe inelastic scattering of the…

Strongly Correlated Electrons · Physics 2007-05-23 L. Benfatto , J. P. Carbotte , F. Marsiglio

We report an unconventional temperature dependence of the resistivity in several strongly correlated systems approaching a localized to itinerant electronic transition from the itinerant electron side. The observed resistivity, proportioanl…

Strongly Correlated Electrons · Physics 2009-11-10 F. Rivadulla , J. -S. Zhou , J. B. Goodenough

We show how the partition function of a network of parallel superconducting wires weakly coupled together by the proximity effect, subjected a vector potential along the wires can be mapped onto N-distinguishable two dimensional…

Superconductivity · Physics 2008-06-24 Kohjiro Kobayashi , David Stroud

High transition temperature (high-Tc) superconductivity is associated with layered crystal structures. This work considers superconductivity in ultra-thin crystals (of thickness equal to the transverse structural periodicity distance d for…

Superconductivity · Physics 2012-02-03 Dale R. Harshman , Anthony T. Fiory

We have theoretically investigated the influence of interface roughness scattering on the low temperature mobility of electrons in quantum wires when electrons fill one or many subbands. We find the Drude conductance of the wire with length…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 Han Fu , M. Sammon , B. I. Shklovskii

Research in spintronics often involves generation of heat in nanoscale magnetic systems. This heat generation can be intentional, as when studying effects created by an external applied temperature difference, or unintentional, coming as a…

Mesoscale and Nanoscale Physics · Physics 2022-11-15 Barry L Zink

We develop a model based on a multiple scattering theory to describe the diffusion of polarized light in disordered media exhibiting short-range structural correlations. Starting from exact expressions of the average field and the field…

Optics · Physics 2016-10-03 Kevin Vynck , Romain Pierrat , Rémi Carminati

Understanding how the vibrational and thermal properties of solids are influenced by atomistic structural disorder is of fundamental scientific interest, and paramount to designing materials for next-generation energy technologies. While…

Materials Science · Physics 2025-09-16 Kamil Iwanowski , Gábor Csányi , Michele Simoncelli

Elastic waves scattering off a periodic single and double array of thin cylindrical defects is considered for isotropic materials. An analytical expression for the scattering matrix is obtained by means of the Lippmann-Schwinger formalism…

Classical Physics · Physics 2022-10-18 Omer Haq , Sergei Shabanov

The temperature dependence of electric transport properties of single-layer and few-layer graphene at large charge doping is of great interest both for the study of the scattering processes dominating the conductivity at different…

Mesoscale and Nanoscale Physics · Physics 2016-09-02 R. S. Gonnelli , F. Paolucci , E. Piatti , Kanudha Sharda , A. Sola , M. Tortello , Jijeesh R. Nair , C. Gerbaldi , M. Bruna , S. Borini

Inspired by the studies on the influence of transition metal impurities in high Tc superconductors and what is already known about nonmagnetic suppression of Tc in unconventional superconductors, we set out to investigate the behavior of…

Superconductivity · Physics 2021-09-23 P. Contreras , Dianela Osorio

We study the conductance properties of a straight two-dimensional quantum wire with impurities modeled by $s$-like scatterers. Their presence can lead to strong inter-channel coupling. It was shown that such systems depend sensitively on…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 D. Boese , M. Lischka , L. E. Reichl

This paper presents the analysis and characterization of the surface scattering process for both specular and diffused components. The study is focused on the investigation of various building materials each having a different roughness, at…

Signal Processing · Electrical Eng. & Systems 2017-10-17 Angelos A. Goulianos , Alberto L. Freire , Tom Barratt , Evangelos Mellios , Peter Cain , Moray Rumney , Andrew Nix , Mark Beach

Superconducting properties of metallic nano-wires may strongly depend on specific experimental conditions. Here we consider a setup where superconducting phase fluctuations are restricted at one point inside the wire and equilibrium…

Superconductivity · Physics 2020-09-03 Alexey Radkevich , Andrew G. Semenov , Andrei D. Zaikin