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Related papers: The Nernst effect in Corbino geometry

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The anomalous Nernst effect in nanostructured magnetic materials is a key phenomenon to optimally control and employ the internal energy dissipated in electronic devices, being dependent on for instance the magnetic anisotropy of the active…

A detailed study of the analytic structure of 1-loop self energy graphs for neutral and charged $\rho$ mesons is presented at finite temperature and arbitrary magnetic field using the real time formalism of thermal field theory. The…

High Energy Physics - Phenomenology · Physics 2018-01-03 Snigdha Ghosh , Arghya Mukherjee , Mahatsab Mandal , Sourav Sarkar , Pradip Roy

Experimental studies of the electric and heat currents in the normal, superconducting and mixed states of high T$_c$ superconductors (HTcS) lead to characterization, complementary to data obtained from equilibrium property based techniques.…

Superconductivity · Physics 2009-11-07 M. Ausloos

We show that the strong Nernst signal observed recently in amorphous superconducting films far above the critical temperature is caused by the fluctuations of the superconducting order parameter. We demonstrate a striking agreement between…

Superconductivity · Physics 2015-05-13 Karen Michaeli , Alexander M. Finkel'stein

The Nernst effect is known to be a sensitive probe of the scattering mechanisms. Large Nernst effects, a decade ago a topic mainly in vortex dynamics in superconductors, have recently attracted interest in correlated systems like cuprate…

Strongly Correlated Electrons · Physics 2010-11-22 Janik Kailasvuori

Following the observation of an anomalous Nernst signal in cuprates, the Nernst effect was explored in a variety of metals and superconductors during the past few years. This paper reviews the results obtained during this exploration,…

Strongly Correlated Electrons · Physics 2009-02-10 Kamran Behnia

We propose theoretically a new effect, i.e. nonlinear planar Nernst effect (NPNE), in nonmagnetic topological insulator (TI) Bi2Te3 in the presence of an in-plane magnetic field. We find that the Nernst current scales quadratically with…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Xiao-Qin Yu , Zhen-Gang Zhu , Gang Su

In this work, we establish a theoretical analysis of the emergence of layer-contrasted Nernst response perpendicular to the direction of the temperature gradient in twisted moir\'{e} layers, called layer Nernst effect (LNE). This phenomenon…

Superconductivity · Physics 2024-05-10 Jin-Xin Hu , Chuanchang Zeng , Yugui Yao

We address the description of a graphene Corbino disk in the context of a tight binding approach that includes both kinetic and Rashba spin-orbit coupling due to an external out-of-plane electric field. Persistent equilibrium currents are…

Mesoscale and Nanoscale Physics · Physics 2016-08-10 A. López , N. Bolívar , E. Medina , B. Berche

We numerically calculate the magnetization by applying the magnetic field ($B$) perpendicular to two-dimensional corbino disk system without electron spin. We obtain that the period of the Aharonov-Bohm (AB) oscillations of magnetization…

Mesoscale and Nanoscale Physics · Physics 2014-08-27 Katsumi Itahashi , Keita Kishigi , Yasumasa Hasegawa

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

We reveal a novel source of giant Nernst response exhibiting strong non-linear temperature and magnetic field dependence including the mysterious tilted-hill temperature profile observed in a pleiad of materials. The phenomenon results…

Strongly Correlated Electrons · Physics 2010-03-12 Panagiotis Kotetes , Georgios Varelogiannis

In-plane Nernst signal and resistivity have been measured for three $La_{2-x}Sr_xCuO_4$ single crystals (x=0.09, 0.11 and 0.145) with the magnetic field parallel to c-axis. A quadratic temperature dependence of resistivity, i.e.,…

Superconductivity · Physics 2007-05-23 Hai-Hu Wen , Hong Gao , Hao Jin , Lei Shan , Fang Zhou , Jiwu Xiong , Wenxin Ti

We prove analytically the ballistic thermal rectification effect (BTRE) in the Corbino disk characterized by an annular shape. We derive the thermal rectification efficiency (RE) and show that it can be expressed as the product of two…

Statistical Mechanics · Physics 2024-06-25 Zhixing Zou , Giulio Casati , Giuliano Benenti , Jiao Wang

Spatially varying magnetic textures can exhibit electric-current-induced dynamics as a result of the spin-transfer torque effect. When such a magnetic system is electrically driven, an electric field is generated, which is called the…

Strongly Correlated Electrons · Physics 2023-11-27 S. Furuta , S. H. Moody , K. Kado , W. Koshibae , F. Kagawa

We combine transport, magnetization, and torque magnetometry measurements to investigate the electronic structure of ZrTe5 and its evolution with temperature. At fields beyond the quantum limit, we observe a magnetization reversal from…

A giant Nernst signal was recently observed for fields near crystallographic directions in (TMTSF)$_2$PF$_6$. Such large Nernst signals are most naturally associated with the motion of pancake vortices. We propose a model in which phase…

Superconductivity · Physics 2009-11-10 N. P. Ong , Weida Wu , P. M. Chaikin , P. W. Anderson

We have measured the diffusion thermopower of a quantum Hall system in a Corbino setup. A concentric electron-temperature gradient is introduced by irradiating microwaves, via a coplanar waveguide, near the outer rim of a circular mesa of a…

Mesoscale and Nanoscale Physics · Physics 2013-04-16 Shuhei Kobayakawa , Akira Endo , Yasuhiro Iye

A liquid of superconducting vortices generates a transverse thermoelectric response. This Nernst signal has a tail deep in the normal state due to superconducting fluctuations. Here, we present a study of the Nernst effect in…

The anomalous Nernst effect generates transverse voltage to the applied thermal gradient in magnetically ordered systems. The effect was previously considered excluded in compensated magnetic materials with collinear ordering. However, in…