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A non-perturbative calculation of the gyrotropic pressures associated with large-scale mirror modes is performed, taking into account a finite, possibly anisotropic electron temperature. In the small-amplitude limit, this leads to an…

Plasma Physics · Physics 2015-06-11 E. A. Kuznetsov , T. Passot , P. L. Sulem

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

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

The thermoelectric properties of quantum dot arrays (QDAs) embedded in nanowires connected to electrodes are studied theoretically in the Coulomb blockade regime. A Hurbbard-Anderson model is used to simulate the electronic contribution to…

Mesoscale and Nanoscale Physics · Physics 2015-07-08 Yen-Chun Tseng , David M. -T. Kuo , Yia-Chung Chang , Chia-Wei Tsai

We study the electronic transport coefficients and the thermoelectric figure of merit ZT in $n$-doped Mg$_3$Sb$_2$ based on density-functional electronic structure and Bloch-Boltzmann transport theory with an energy- and…

Materials Science · Physics 2019-01-07 Roberta Farris , Maria Barbara Maccioni , Alessio Filippetti , Vincenzo Fiorentini

We present a systematic and consistent construction of geometrothermodynamics by using Riemannian contact geometry for the phase manifold and harmonic maps for the equilibrium manifold. We present several metrics for the phase manifold that…

General Relativity and Quantum Cosmology · Physics 2015-05-20 Hernando Quevedo , Alberto Sanchez , Safia Taj , Alejandro Vazquez

Increasing requirements in the sensitivity of interferometric measurements is a common feature of several research fields, from gravitational wave detection to quantum optics. This motivates refined studies of high reflectivity mirrors and…

Using the strong temperature dependent resistance of a normal metal wire in proximity to a superconductor, we have been able to measure the local temperature of electrons heated by flowing a dc current in a metallic wire to within a few…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 J. Aumentado , J. Eom , V. Chandrasekhar , P. M. Baldo , L. E. Rehn

Studies of interlayer transport in layered metals have generally made use of zero temperature conductivity expressions to analyze angle-dependent magnetoresistance oscillations (AMRO). However, recent high temperature AMRO experiments have…

Strongly Correlated Electrons · Physics 2015-05-13 Braden A. W. Brinkman , Malcolm P. Kennett

The loading of a granular material induces anisotropies of the particle arrangement (fabric) and of the material's strength, incremental stiffness, and permeability. Thirteen measures of fabric anisotropy are developed, which are arranged…

Soft Condensed Matter · Physics 2018-12-21 Matthew R. Kuhn , WaiChing Sun , Qi Wang

Attaining viable thermoelectric cooling at cryogenic temperatures is of major fundamental and technological interest for novel electronics and quantum materials applications. In-device temperature control can provide a more efficient and…

Mesoscale and Nanoscale Physics · Physics 2024-03-13 T. Völkl , A. Aharon-Steinberg , T. Holder , E. Alpern , N. Banu , A. K. Pariari , Y. Myasoedov , M. E. Huber , M. Hücker , E. Zeldov

The quest for efficient devices has fueled research in thermoelectric materials. In these materials, the goal is to maximize the Figure of Merit $ZT$. One of the components of this quantity is the Seebeck coefficient, which measures the…

Recently, we reported [M. Wagner et al., J. Mater. Res. 26, 1886 (2011)] transport measurements on the semiconducting intermetallic system RuIn3 and its substitution derivatives RuIn_{3-x}A_{x} (A = Sn, Zn). Higher values of the…

Materials Science · Physics 2015-05-30 Deepa Kasinathan , Maik Wagner , Klaus Koepernik , Raul Cardoso-Gil , Yu. Grin , Helge Rosner

Black phosphorus (BP) has emerged as a direct-bandgap semiconducting material with great application potentials in electronics, photonics, and energy conversion. Experimental characterization of the anisotropic thermal properties of BP,…

The purpose of this paper is to present a simple micromechanics-based model to estimate the effective thermal conductivity of real-world macroscopically isotropic materials of matrix-inclusion type. The methodology is based on the…

Materials Science · Physics 2011-08-08 Jan Stránský , Jan Vorel , Jan Zeman , Michal Šejnoha

We investigate the thermodynamic properties of a two-dimensional d-wave superconductor in the vortex state using a semiclassical approach, and argue that such an approach is valid for the analysis of the experimental data on…

Superconductivity · Physics 2009-10-31 I. Vekhter , P. J. Hirschfeld , E. J. Nicol

Using a new second derivative technique and thermometers which enable us to determine the local electron temperature in a mesoscopic metallic sample, we have obtained quantitative measurements of the low temperature field and temperature…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 D. A. Dikin , S. Jung , V. Chandrasekhar

We have combined DFT calculations with the Boltzmann semiclassical transport theory to investigate the effect of selective hydrogenation on the thermoelectric properties of tetra-penta-deca-hexagonal graphene (TPDH-gr), a recently proposed…

Nanostructured materials enable high thermal transport tunability, holding promises for thermal management and heat harvesting applications. Predicting the effect that nanostructuring has on thermal conductivity requires models, such as the…

Materials Science · Physics 2021-10-19 S. Aria Hosseini , Sarah Khanniche , P. Alex Greaney , Giuseppe Romano

We investigate the effect of contact geometry on the instantaneous thermoelectric response of a quantum dot pushed suddenly into the Kondo regime via a gate voltage using time dependent non-crossing approximation and linear response Onsager…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Ali Goker , Elif gedik
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