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Related papers: Thermal transport in granular metals

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We study the thermoelectrical transports for an interacting dot attached to two graphene electrodes. Graphene band structure shows a pseudogap density of states that affects strongly the transport properties. In this work, we focus on the…

Mesoscale and Nanoscale Physics · Physics 2016-01-12 Jose Ramon Isern-Lozano , Ioan Grosu , Rosa Lopez , Jong Soo Lim , Mircea Crisan

Heat and charge transport characteristics of nanocolloids have been bridged from fundamental analysis. The relationship between the two transport phenomena in dielectric nanostructure based polar colloids has been quantitatively presented.…

Soft Condensed Matter · Physics 2016-06-08 Purbarun Dhar , Arvind Pattamatta , Sarit K. Das

We compute the transport properties of one dimensional interacting electrons, also known as a Luttinger liquid. We show that a renormalization group study allows to obtain the temperature dependence of the conductivity in an intermediate…

Strongly Correlated Electrons · Physics 2015-06-24 T. Giamarchi , T. Nattermann , P. Le Doussal

Quantum anomalies in Weyl semimetal (for either ${\bf E}\cdot{\bf B} \neq 0$ or ${\bf \nabla}T\cdot{\bf B} \neq 0$) leads to chiral charge and energy pumping between the opposite chirality nodes. This results in chiral charge and energy…

Mesoscale and Nanoscale Physics · Physics 2020-02-05 Kamal Das , Amit Agarwal

Motivated by recent theoretical and experimental studies on the role of flatbands in the thermoelectric properties of Ni$_3$In$_{1-x}$Sn$_x$ compounds, we investigate electron transport in two minimal one-dimensional flatband models, the…

Materials Science · Physics 2026-04-20 F. Cosco , R. Tuovinen , F. Plastina , N. Lo Gullo

We study the conductivity in itinerant-electron systems near to a magnetic quantum critical point. We show that, for a class of geometries, the universal power-law dependence of resistivity upon temperature may be reflected in a universal…

Strongly Correlated Electrons · Physics 2008-11-09 P. M. Hogan , A. G. Green

We investigate spin and thermal transport near the N\'{e}el transition temperature $T_N$ in three dimensions, by numerically analyzing the classical antiferromagnetic $XXZ$ model on the cubic lattice, where in the model, the anisotropy of…

Strongly Correlated Electrons · Physics 2022-12-09 Kazushi Aoyama

The electrical conductivity induced near the superconducting transition by thermal fluctuations was measured in different granular aluminum films. The seemingly anomalous behavior at high reduced temperatures and magnetic fields is…

Superconductivity · Physics 2019-09-11 D. Sóñora , C. Carballeira , J. J. Ponte , F. Vidal , T. Grenet , J. Mosqueira

Tunnel transport of interacting spin-polarized electrons through a single-level vibrating quantum dot in external magnetic field is studied. By using density matrix method, the current-voltage characteristics and the dependence of…

Mesoscale and Nanoscale Physics · Physics 2021-03-23 A. D. Shkop , O. M. Bahrova , S. I. Kulinich , I. V. Krive

We study the electronic properties of an array of small metallic grains connected by tunnel junctions. Such an array serves as a model for a granular metal. Previous theoretical studies of junction arrays were based on models of quantum…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 I. S. Beloborodov , K. B. Efetov , Alexander Altland , F. W. J. Hekking

We have investigated the grain boundary scattering effect on the thermal transport behavior of uranium dioxide (UO$_2$). The polycrystalline samples having different grain-sizes (0.125, 1.8, and 7.2 $\mu$m) have been prepared by spark…

Materials Science · Physics 2019-10-18 K. Shrestha , T. Yao , J. Lian , D. Antonio , M. Sessim , M. R. Tonks , K. Gofryk

Using the near-detailed-balance distribution function obtained in our recent work, we present a set of covariant gravito-thermal transport equations for neutral relativistic gases in a generic stationary spacetime. All relevant tensorial…

Statistical Mechanics · Physics 2024-03-01 Xin Hao , Song Liu , Liu Zhao

An electron transport is studied in the system which consists of scanning tunneling microscopy-single molecule magnet-metal. Due to quantum tunneling of magnetization in single-molecule magnet, linear response conductance exhibits stepwise…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Gwang-Hee Kim , Tae-Suk Kim

In this paper we present the resistivity, the Seebeck effect, and the thermal conductivity measurements on a MgB2 sintered sample. Such transport properties highlight the role of the junctions between the grains to a different extent. In…

Superconductivity · Physics 2007-05-23 M. Putti , E. Galleani d'Agliano , D. Marre , F. Napoli , M. Tassisto , P. Manfrinetti , A. Palenzona

We present a simple theory of thermoelectric transport in bilayer graphene and report our results for the electrical resistivity, the thermal resistivity, the Seebeck coefficient, and the Wiedemann-Franz ratio as functions of doping density…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 Mohammad Zarenia , Giovanni Vignale , Thomas Benjamin Smith , Alessandro Principi

We present a study of electric, thermal and thermoelectric transport in elemental Bismuth, which presents a Nernst coefficient much larger than what was found in correlated metals. We argue that this is due to the combination of an…

Strongly Correlated Electrons · Physics 2007-05-23 Kamran Behnia , Marie-Aude Measson , Yakov Kopelevich

The thermal response of the hot QCD matter has been studied in the presence of a time-varying magnetic field. The impact of magnetic field, its time dependence, and the collision aspects of the medium on thermal transport have been studied…

High Energy Physics - Phenomenology · Physics 2022-08-10 Gowthama K K , Manu Kurian , Vinod Chandra

The anomalous thermal conductivity in spin chains observed in experiments is studied for the low temperature regime. In the effective dynamics with most realistic perturbations, the so-called Umklapp terms is irrelevant to reduce mean free…

Materials Science · Physics 2009-11-07 Keiji Saito

We have studied the magnetic field dependence of the thermal conductivity $\kappa(T,B)$ of highly oriented pyrolytic graphite samples at temperatures 0.2K$ \le T < 10$K and fields 0T$ \le B \le 9$T. The samples show clear deviations from…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Konstantin Ulrich , Pablo Esquinazi

The high electrical conductivity and good chemical stability of MXenes offer hopes for their use in many applications, such as wearable electronics, energy storage, or electromagnetic interference shielding. While their optical, electronic…

Materials Science · Physics 2024-12-03 Yubin Huang , Jean Spiece , Tetiana Parker , Asaph Lee , Yury Gogotsi , Pascal Gehring
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