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Related papers: Nernst-like Effect in a Flexible Chain

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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

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

There is a growing interest in the stochastic processes of nonequilibrium systems subject to non-conserved forces, such as the magnetic forces acting on charged particles and the chiral self-propelled force acting on active particles. In…

Statistical Mechanics · Physics 2021-12-15 Hiromichi Matsuyama , Kunimasa Miyazaki

A problem of the definition of the heat transported in thermomagnetic phenomena has been well realized in the late sixties, but not solved up to date. Ignoring this problem, numerous recent theories grossly overestimate the thermomagnetic…

Superconductivity · Physics 2007-08-08 A. Sergeev , M. Yu. Reizer , V. Mitin

The thermodynamics of irreversible processes in continuous media predicts the existence of a Magnetic Nernst effect that results from a magnetic analog to the Seebeck effect in a ferromagnet and magnetophoresis occurring in a paramagnetic…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Sylvain D. Brechet , Jean-Philippe Ansermet

We investigate the properties of a harmonic chain in contact with a thermal bath at one end and subjected, at its other end, to a periodic force. The particles also undergo a random velocity reversal action, which results in a finite heat…

Mathematical Physics · Physics 2023-03-01 Tomasz Komorowski , Joel L. Lebowitz , Stefano Olla

Several experimental efforts such as material investigation and structure improvement have been made recently to find a large anomalous Nernst effect in ferromagnetic metals. Here, we develop a theory of spin transport driven by the…

Mesoscale and Nanoscale Physics · Physics 2016-08-17 Tomohiro Taniguchi

Generation of electric power by the Nernst effect is a new application of a semiconductor. A key point of this proposal is to find materials with a high thermomagnetic figure-of-merit, which are called Nernst elements. In order to find…

Materials Science · Physics 2007-05-23 Hiroaki Nakamura , Kazuaki Ikeda , Satarou Yamaguchi

We study heat transport for solids in the presence of arbitrary time-dependent force. Using nonequilibrium Green's function (NEGF) approach we present an exact analytical expression of current for the linear system. We found that the heat…

Statistical Mechanics · Physics 2011-11-29 Bijay Kumar Agarwalla , Jian-Sheng Wang , Baowen Li

We calculate the Nernst signal in disordered conductors with the chemical potential near the mobility edge. The Nernst effect originates from interference of itinerant and localised-carrier contributions to the thermomagnetic transport. It…

Superconductivity · Physics 2009-11-10 A. S. Alexandrov , V. N. Zavaritsky

We present a detailed study of the Nernst effect N$_{zx}$ in (TMTSF)$_2$PF$_6$ as a function of temperature, magnetic field magnitude and direction and pressure. As previously reported there is a large resonant-like structure as the…

Strongly Correlated Electrons · Physics 2009-11-11 Weida Wu , N. P. Ong , P. M. Chaikin

Analogous to the Hall effect, the Nernst effect is the generation of a transverse voltage due to a temperature gradient in the presence of a perpendicular magnetic field. The Nernst effect has promise for thermoelectric applications and as…

Strongly Correlated Electrons · Physics 2021-04-20 T. Asaba , V. Ivanov , S. M. Thomas , S. Y. Savrasov , J. D. Thompson , E. D. Bauer , F. Ronning

We study heat transport and thermoelectric effects in two-dimensional superconductors in a magnetic field. These are modeled as granular Josephson-junction arrays, forming either regular or random lattices. We employ two different models…

Superconductivity · Physics 2011-05-05 Andreas Andersson , Jack Lidmar

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 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

As a non-magnetic heavy metal is attached to a ferromagnet, a vertically flowing heat-driven spin current is converted to a transverse electric voltage, which is known as the longitudinal spin Seebeck effect (SSE). If the ferromagnet is a…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Yadong Xu , Bowen Yang , Chi Tang , Zilong Jiang , Michael Schneider , Renu Whig , Jing Shi

The spin Nernst effect is a phenomenon in which the spin current flows perpendicular to a temperature gradient. Similar to the spin Hall effect, this phenomenon also causes spin accumulation at the boundaries. Here, we study the spin…

Mesoscale and Nanoscale Physics · Physics 2022-07-21 Atsuo Shitade

We consider heat transport across a harmonic chain of charged particles, with transverse degrees of freedom, in the presence of a uniform magnetic field. For an open chain connected to heat baths at the two ends we obtain the nonequilibrium…

Statistical Mechanics · Physics 2021-12-22 Junaid Bhat , Gaëtan Cane , Cédric Bernardin , Abhishek Dhar

A novel process of spin conversion from a temperature gradient to a transverse voltage is addressed in this paper, viz. the anomalous Nernst effect (ANE) in a ferromagnetic metal. We report that an additional voltage is superposed on the…

Materials Science · Physics 2018-04-12 M. Mizuguchi , K. Hasegawa , J. Ohe , M. Tsujikawa , M. Shirai , K. Takanashi

The Nernst effect is the transverse electric field produced by a longitudinal thermal gradient in presence of magnetic field. In the beginning of this century, Nernst experiments on cuprates were analyzed assuming that: i) The contribution…

Strongly Correlated Electrons · Physics 2016-03-28 Kamran Behnia , Hervé Aubin
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