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We theoretically analyze the nonlinear valley Nernst effect (NVNE) as the second-order response of temperature gradient through the semiclassical framework of electron dynamics. Our study shows that an intrinsic nonlinear pure valley…

Mesoscale and Nanoscale Physics · Physics 2025-10-08 Ying-Li Wu , Jia-Liang Wan , Xiao-Qin Yu

In a liquid of superconducting vortices, a longitudinal thermal gradient generates a transverse electric field. This Nernst signal peaks at an intermediate temperature and magnetic field, presumably where the entropy difference between the…

Superconductivity · Physics 2022-12-20 Kamran Behnia

It is theoretically predicted that the Nernst coefficient is strongly suppressed and the thermal conductance is quantized in the quantum Hall regime of the two-dimensional electron gas. The Nernst effect is the induction of a thermomagnetic…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Hiroaki Nakamura , Naomichi Hatano , Ryoen Shirasaki

We consider graphene in the presence of external magnetic field and elastic deformations that cause emergent magnetic field. The total magnetic field results in the appearance of Landau levels in the spectrum of quasiparticles. In addition,…

Mesoscale and Nanoscale Physics · Physics 2016-10-04 Z. V. Khaidukov , M. A. Zubkov

We report measurements of the Nernst effect and of the magneto-resistance of granular aluminum films near the metal to insulator transition. These films show sharp transitions as a function of temperature and magnetic field. At low…

Superconductivity · Physics 2015-06-23 Shachar Lerer , Nimrod Bachar , Guy Deutscher , Yoram Dagan

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

In elemental Bismuth, 10$^5$ atoms share a single itinerant electron. Therefore, a moderate magnetic field can confine electrons to the lowest Landau level. We report on the first study of metallic thermoelectricity in this regime. The main…

Strongly Correlated Electrons · Physics 2009-11-11 Kamran Behnia , Marie-Aude Measson , Yakov Kopelevich

We theoretically analyze the non-linear anomalous Nernst effect as the second-order response of temperature gradient by using the semiclassical framework of electron dynamics. We find that a non-linear current can be generated transverse to…

Mesoscale and Nanoscale Physics · Physics 2019-05-29 Xiao-Qin Yu , Zhen-Gang Zhu , Jhih-Shih You , Tony Low , Gang Su

Recently, time-reversal symmetric but inversion broken systems with non-trivial Berry curvature in the presence of a built-in electric field have been proposed to exhibit a new type of linear Hall effect in ballistic regime, namely, the…

Mesoscale and Nanoscale Physics · Physics 2021-09-21 Sanjib Kumar Das , Tanay Nag , Snehasish Nandy

Motivated by the observation of a giant Nernst effect in URu_2Si_2, the thermoelectric response of the related system UPt_2Si_2 was investigated using thermal and electric transport properties such as the Nernst and Seebeck effects, thermal…

Strongly Correlated Electrons · Physics 2009-11-13 N. Johannsen , S. Suellow , A. V. Sologubenko , T. Lorenz , J. A. Mydosh

The Nernst effect is a fundamental thermoelectric conversion phenomenon that was deemed to be possible only in systems with magnetic field or magnetization. In this work, we propose a novel dynamical chiral Nernst effect that can appear in…

Mesoscale and Nanoscale Physics · Physics 2024-06-17 Juncheng Li , Dawei Zhai , Cong Xiao , Wang Yao

The Nernst effect in metals is highly sensitive to two kinds of phase transition: superconductivity and density-wave order. The large positive Nernst signal observed in hole-doped high-Tc superconductors above their transition temperature…

The search for a giant Nernst effect beyond conventional mechanisms offers advantages for developing advanced thermoelectric devices and understanding charge-entropy conversion. Here, we study the Seebeck and Nernst effects of HfTe5 over a…

The Nernst thermopower usually is considered far too weak in most metals for waste heat recovery. However, its transverse orientation gives it an advantage over the Seebeck effect on non-flat surfaces. Here, we experimentally demonstrate…

The large Nernst effect is advantageous for developing transverse Nernst thermoelectric generators or Ettingshausen coolers within a single component, avoiding the complexity of electron- and hole-modules in longitudinal Seebeck…

The transverse thermoelectric effect refers to the conversion of a temperature gradient into a transverse charge current, or vice versa, which appears in a conductor under a magnetic field or in a magnetic material with spontaneous…

Materials Science · Physics 2021-04-12 Ken-ichi Uchida , Weinan Zhou , Yuya Sakuraba

We present a study of Nernst and Seebeck coefficients of the heavy-fermion superconductor CeCoIn$_{5}$. Below 18 K, concomitant with a field-dependent Seebeck coefficient, a large sub-linear Nernst signal emerges with a magnitude…

Strongly Correlated Electrons · Physics 2009-09-29 R. Bel , K. Behnia , Y. Nakajima , K. Izawa , Y. Matsuda , H. Shishido , R. Settai , Y. Onuki

Recently, different transport coefficients have been measured in High-Tc superconductors to pinpoint the nature of the pseudogap phase. In particular, the thermoelectric coefficients received a considerable attention both theoretically and…

Superconductivity · Physics 2013-01-01 Sangwoo S. Chung , Paata Kakashvili , C. J. Bolech

Irradiation of the strong light on the material leads to numerous non-linear effects that are essential to understand the physics of excited states of the system and for optoelectronics. Here, we study the non-linear thermoelectric effect…

Mesoscale and Nanoscale Physics · Physics 2021-03-05 Pankaj Bhalla

The strange-metal state is a crucial problem in condensed matter physics highlighted by its ubiquity in almost all major correlated systems[1-7]. Its understanding could provide important insight into high-Tc superconductivity[2] and…