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Related papers: The Nernst effect in Corbino geometry

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Dirac and Weyl semimetals display a host of novel properties. In Cd$_3$As$_2$, the Dirac nodes lead to a protection mechanism that strongly suppresses backscattering in zero magnetic field, resulting in ultrahigh mobility ($\sim$ 10$^7$…

Mesoscale and Nanoscale Physics · Physics 2017-09-21 Tian Liang , Jingjing Lin , Quinn Gibson , Tong Gao , Max Hirschberger , Minhao Liu , R. J. Cava , N. P. Ong

We discuss galvanomagnetic and thermomagnetic effects in disordered electronic systems focusing on intermediate temperatures, for which electron-electron scattering and electron-impurity scattering occur at similar rates, while…

Strongly Correlated Electrons · Physics 2021-01-04 Woo-Ram Lee , Alexander Finkel'stein , G. Schwiete

We develop a mean-field theory of a novel Kondo effect emerging in systems without a Fermi surface, which instead emerges under strong magnetic fields. We determine the magnitude of the Kondo condensate which is a particle pairing composed…

High Energy Physics - Phenomenology · Physics 2023-12-07 Koichi Hattori , Daiki Suenaga , Kei Suzuki , Shigehiro Yasui

The exploration of topological and transport properties of collinear antiferromagnets and the role of Kitaev interactions in realising topological states therein have rarely been systematically addressed in literature. In this context, we…

Mesoscale and Nanoscale Physics · Physics 2026-01-06 Shreya Debnath , Saurabh Basu

Single crystals of DyRh$_2$Si$_2$ and HoRh$_2$Si$_2$ were investigated by thermal expansion and magnetostriction. The different types of magnetic order can clearly be seen in these measurements, particularly the canting of the moments away…

We study a model for the transverse thermoelectric response due to quantum superconducting fluctuations in a two-leg Josephson ladder, subject to a perpendicular magnetic field B and a transverse temperature gradient. The off-diagonal…

Superconductivity · Physics 2015-06-11 Yeshayahu Atzmon , Efrat Shimshoni

In mesoscopic superconducting disks vortices form shell structures as recently observed in Nb disks. We study the dynamics of such vortices, driven by an external current I_0, in a Corbino setup. At very low I_0, the system exhibits rigid…

Superconductivity · Physics 2008-02-26 V. R. Misko , F. M. Peeters

The effects of the Ohmic and magnetic density currents are investigated in the linearized Euler-Heisenberg electrodynamics. The linearization is introduced through an external magnetic field, in which the vector potential of the…

Classical Physics · Physics 2024-05-29 G. R. Santos , M. J. Neves

We describe a first attempt to derive properties of the regular and turbulent Galactic magnetic field from multi-frequency polarimetric observations of the diffuse Galactic synchrotron background. A single-cell-size model of the thin…

Astrophysics · Physics 2009-11-10 M. Haverkorn , P. Katgert , A. G. de Bruyn

We report the occurrence of the anomalous Nernst effect (ANE) in polycrystalline perovskite La0.5Ca0.5CoO3. The sample is ferromagnetic below TC = 147 K and resistivity shows non-metallic behavior above and below the TC with only a small…

Materials Science · Physics 2022-10-05 A. Ghosh , M. Manikandan , R. Mahendiran

We describe an alternating current method to measure the Nernst effect in superconducting thin films at low temperatures. The Nernst effect is an important tool in the understanding superconducting fluctuations and, in particular, vortex…

Superconductivity · Physics 2020-10-28 Yuxiao Wu , Aviad Frydman , Arnab Roy

We discuss the thermoelectric effect of hot and dense hadron gas within the framework of the hadron resonance gas model. Using the relativistic Boltzmann equation within the relaxation time approximation we estimate the Seebeck coefficient…

High Energy Physics - Phenomenology · Physics 2020-07-22 Arpan Das , Hiranmaya Mishra , Ranjita K. Mohapatra

In ferromagnetic solids, even in absence of magnetic field, a transverse voltage can be generated by a longitudinal temperature gradient. This thermoelectric counterpart of the Anomalous Hall effect (AHE) is dubbed the Anomalous Nernst…

Materials Science · Physics 2020-04-02 Haiyang Yang , Wei You , Jialu Wang , Junwu Huang , Chuanying Xi , Chao Cao , Mingliang Tian , Zhu-An Xu , Jianhui Dai , Yuke Li

A systematic x-ray magnetic circular dichroism study of the paramagnetic phase of ErCo2 has recently allowed to identify the inversion of the net magnetization of the Co net moment with respect to the applied field well above the…

Other Condensed Matter · Physics 2009-07-23 Julia Herrero-Albillos , Luis Miguel Garcia , Fernando Bartolome

Altermagnet is a distinctive magnet phase, which has spin-split energy band but with zero net magnetic moment. In this paper, we propose that altermagnet behaves spin splitting Nernst effect: Under a longitudinal temperature gradient, the…

Mesoscale and Nanoscale Physics · Physics 2025-09-08 Xing-Jian Yi , Yue Mao , Xiancong Lu , Qing-Feng Sun

The screening of magnetic moments in metals, the Kondo effect, is found to be quenched with a finite probability in the presence of nonmagnetic disorder. Numerical results for a disordered electron system show that the distribution of Kondo…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Stefan Kettemann , Eduardo R. Mucciolo

By generalizing the Kubo-Streda formula for calculating electrical conductivities to the thermoelectric coefficients, we theoretically study the anomalous Nernst effect (ANE) on the surface of a topological insulator induced by a finite…

Mesoscale and Nanoscale Physics · Physics 2019-12-10 Yan-Yan Yang , Ming-Xun Deng , Wei Luo , R. Ma , Shi-Han Zheng , Rui-Qiang Wang

Some neutron stars known as magnetars possess very strong magnetic fields, with surface fields as large as $10^{15}\,\rm G$ and internal fields that are possibly stronger. Recent observations of the radio pulsar GLEAM-X J1627 suggest it may…

Nuclear Theory · Physics 2025-03-04 Mia Kumamoto , Catherine Welch

We present a general hydrodynamic theory of transport in the vicinity of superfluid-insulator transitions in two spatial dimensions described by "Lorentz"-invariant quantum critical points. We allow for a weak impurity scattering rate, a…

Strongly Correlated Electrons · Physics 2008-11-26 Sean A. Hartnoll , Pavel K. Kovtun , Markus Mueller , Subir Sachdev

We study the Nernst effect due to vortex motion in two-dimensional granular superconductors using simulations with Langevin or resistively shunted Josephson-junction dynamics. In particular, we show that the geometric frustration of both…

Superconductivity · Physics 2010-02-25 Andreas Andersson , Jack Lidmar