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We use semiclassical Boltzmann transport theory to analytically study the electronic contribution to the linear thermoelectric response of anisotropic two-dimensional materials subjected to a perpendicular magnetic field. Conventional…

Mesoscale and Nanoscale Physics · Physics 2025-07-15 Maryam Nezafat , Shahin Barati , Saeed H. Abedinpour

We study electronic transport in graphene under the influence of a transversal magnetic field $\f{B}(\f{r})=B(x)\f{e}_z$ with the asymptotics $B(x\to\pm\infty)=\pm B_0$, which could be realized via a folded graphene sheet in a constant…

Mesoscale and Nanoscale Physics · Physics 2013-01-18 Friedemann Queisser , Ralf Schützhold

Intuitive entropic interpretations of the thermoelectric effect in metals predict an isotropic Seebeck coefficient at high temperatures in the incoherent regime even in anisotropic metals since entropy is not directional.…

Thermoelectric transport coefficients are determined for semiconductor quantum wires with weak thickness fluctuations. Such systems exhibit anomalies in conductance near 1/4 and 3/4 of 2e^2/h on the rising edge to the first conductance…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 T. Rejec , A. Ramsak , J. H. Jefferson

The effect of an external (electro)magnetic field on the finite temperature transition of QCD is studied. We generate configurations at various values of the quantized magnetic flux with $N_f=2+1$ flavors of stout smeared staggered quarks,…

High Energy Physics - Lattice · Physics 2012-02-29 G. S. Bali , F. Bruckmann , G. Endrodi , Z. Fodor , S. D. Katz , S. Krieg , A. Schafer , K. K. Szabo

Nernst effect, the transverse voltage generated by a longitudinal thermal gradient in presence of magnetic field has recently emerged as a very sensitive, yet poorly understood, probe of electron organization in solids. Here we report on an…

Strongly Correlated Electrons · Physics 2012-04-18 Zengwei Zhu , Huan Yang , Benoit Fauque , Yakov Kopelevich , Kamran Behnia

We study electronic and thermoelectric transport in a type I Weyl semimetal nanojunction, with a torsional dislocation defect, in the presence of an external magnetic field parallel to the dislocation axis. The defect is modeled in a…

Mesoscale and Nanoscale Physics · Physics 2021-11-08 Daniel Bonilla , Enrique Muñoz , Rodrigo Soto-Garrido

Experimental conditions for simultaneous measurements of transport coefficients of high temperature superconductors in zero and non-zero magnetic fields are analysed. Test measurements of the thermal conductivity, the thermoelectric power…

Superconductivity · Physics 2015-06-24 J. Mucha , S. Dorbolo , H. Bougrine , K. Durczewski , M. Ausloos

Berry curvature acts analogous to a magnetic field in the momentum-space, and it modifies the flow of charge carriers and entropy. This induces several intriguing magnetoelectric and magnetothermal transport phenomena in Weyl semimetals. %,…

Mesoscale and Nanoscale Physics · Physics 2019-08-14 Kamal Das , Amit Agarwal

Phenomenological equations describing the Seebeck, Hall, Nernst, Peltier, Ettingshausen, and Righi-Leduc effects are numerically solved for the temperature, electric current, and electrochemical potential distributions of semiconductors…

Materials Science · Physics 2007-05-23 H. Okumura , S. Yamaguchi , H. Nakamura , K. Ikeda , K. Sawada

The magnetic field and angular dependencies of the thermopower and Nernst effect of the quasi-two-dimensional organic conductor alpha-(ET)2KHg(SCN)4 are experimentally measured at temperatures below (4 K) and above (9 K) the transition…

Strongly Correlated Electrons · Physics 2015-05-28 D. Krstovska , E. Steven , E. S. Choi , J. S. Brooks

We present results of first-principles calculations on the transport properties, both under an electric field or a temperature gradient, in the Co/Cu multilayered systems. The various effects brought about by the changes in the…

Materials Science · Physics 2015-06-23 Voicu Popescu , Peter Kratzer

We have theoretically studied the thermoelectric properties of serially coupled quantum dots (SCQD) embedded in an insulator matrix connected to metallic electrodes. In the framework of Keldysh Green's function technique, the Landauer…

Mesoscale and Nanoscale Physics · Physics 2012-12-18 David M. -T. Kuo , Y. C. Chang

In the presence of weak magnetic field ($B$), novel phenomena, similar to Hall effect in condensed matter physics, emerge both in charge and heat transport in a thermal QCD medium. Here, we have employed the kinetic theory approach within a…

Nuclear Theory · Physics 2022-07-06 Pushpa , Binoy Krishna Patra

By an exact analytical approach we study the magnetothermal transport in the spin-1/2 easy-axis Heisenberg model, in particular the thermal conductivity and spin Seebeck effect as a function of anisotropy, magnetic field and temperature. We…

Strongly Correlated Electrons · Physics 2024-02-05 X. Zotos

We present the first thermoelectric measurements on pentacene field effect transistors. We report high values of the Seebeck coefficient at room temperature between 240 and 500 micro V/K depending on the dielectric surface treatment. These…

The Seebeck coefficient (S) of a serially coupled quantum dot (SCQD) junction system is theoretically studied via a two-level Anderson model. A change of sign in S with respect to temperature is found, which arises from the competition…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 David M. -T. Kuo , Yia-chung Chang

The Nernst effect, the generation of a transverse electric voltage in the presence of longitudinal thermal gradient, has garnered significant attention in the realm of magnetic topological materials due to its superior potential for…

Materials Science · Physics 2025-04-23 Olajumoke Oluwatobiloba Emmanuel , Shuvankar Gupta , Xianglin Ke

The quantum transport equation (QTE) is extended to study weak localization (WL) effects on galvanomagnetic and thermomagnetic phenomena. QTE has many advantages over the linear response method (LRM): (i) particle-hole asymmetry which is…

Disordered Systems and Neural Networks · Physics 2009-10-31 M. Reizer , A. Sergeev

The thermoelectric Hall effect is the generation of a transverse heat current upon applying an electric field in the presence of a magnetic field. Here we demonstrate that the thermoelectric Hall conductivity $\alpha_{xy}$ in the…