English
Related papers

Related papers: Thermoelectric effects in superconductors

200 papers

We report on the experimental observation of thermoelectric currents in superconductor-ferromagnet tunnel junctions in high magnetic fields. The thermoelectric signals are due to a spin-dependent lifting of particle-hole symmetry, and are…

Superconductivity · Physics 2016-03-03 S. Kolenda , M. J. Wolf , D. Beckmann

Superconductivity has been investigated for over a century, but there are still open questions about what determines the critical current; the maximum current a superconductor can carry before switching to its normal state. For a given…

Superconductivity · Physics 2024-12-31 Heng Wu , Yaojia Wang , Mazhar N. Ali

Thermal transmission in a molecular transistor with fully spin-polarized electrodes subjected to a temperature gradient is considered. The problem has been solved by using density matrix method in perturbation approach over small tunneling…

Mesoscale and Nanoscale Physics · Physics 2022-07-12 A. D. Shkop

The concept of thermophase refers to the appearance of a phase gradient inside a superconductor originating from the presence of an applied temperature bias across it. The resulting supercurrent flow may, in suitable conditions, fully…

Mesoscale and Nanoscale Physics · Physics 2015-02-11 F. Giazotto , T. T. Heikkilä , F. S. Bergeret

We theoretically study thermal transport in an electronic interferometer comprising a parallel circuit of two quantum dots, each of which has a tunable single electronic state which are connected to two leads at different temperature.As a…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Sam Young Cho , Ross H. McKenzie

We study the thermopower of a junction between a metal and a strongly correlated semiconductor. Both in the electronic ferroelectric regime and in the Kondo insulator regime the thermoelectric figures of merit, ZT, of these junctions are…

Strongly Correlated Electrons · Physics 2009-07-20 Massimo Rontani , L. J. Sham

The superconductivity of quasi-one-dimensional electrons in the magnetic field is studied. The system is described as the one-dimensional electrons with no frustration due to the magnetic field. The interaction is assumed to be attractive…

Condensed Matter · Physics 2009-10-28 Yasumasa Hasegawa , Mitake Miyazaki

We discuss the general-relativistic contributions to occur in the electromagnetic properties of a superconductor with a heat flow. The appearance of general-relativistic contribution to the magnetic flux through a superconducting…

General Relativity and Quantum Cosmology · Physics 2008-11-26 B. J. Ahmedov

Thermoelectric effects have been applied to power generators and temperature sensors that convert waste heat into electricity. The effects, however, have been limited to electrons to occur, and inevitably disappear at low temperatures due…

Over the past six years, superconductivity at high temperatures has been reported in a variety of hydrogen-rich compounds under high pressure. That high-temperature superconductivity should exist in these materials is expected according to…

Superconductivity · Physics 2021-04-14 J. E. Hirsch , F. Marsiglio

Considering a system composed of two different thermoelectric modules electrically and thermally connected in parallel, we demonstrate that the inhomogeneities of the thermoelectric properties of the materials may cause the appearance of an…

Materials Science · Physics 2012-01-06 Y. Apertet , H. Ouerdane , C. Goupil , Ph. Lecoeur

The density functional theory for superconductors developed in the preceding article [cond-mat/0408685] is applied to the calculation of superconducting properties of several elemental metals. In particular, we present results for the…

Thermoelectric effect generating electricity from thermal gradient and vice versa appears in numerous generic applications. Recently, an original prospect of thermoelectricity arising from the nonlocal Cooper pair splitting (CPS) and the…

Mesoscale and Nanoscale Physics · Physics 2020-06-01 Z. B. Tan , A. Laitinen , N. S. Kirsanov , A. Galda , M. Haque , A. Savin , D. S. Golubev , V. M. Vinokur , G. B. Lesovik , P. J. Hakonen

We review some recent advances in studies of phase-coherent thermoelectric effects in superconducting hybrid structures such as, e.g., Andreev interferometers. We elucidate a number of mechanisms of electron-hole symmetry breaking in such…

Superconductivity · Physics 2022-02-18 Mikhail S. Kalenkov , Andrei D. Zaikin

Using tunneling spectroscopy, we have measured the local electron energy distribution function in the normal part of a superconductor-normal metal-superconductor (SNS) Josephson junction containing an extra lead to a normal reservoir. In…

Superconductivity · Physics 2009-11-11 M. S. Crosser , Pauli Virtanen , Tero T. Heikkilä , Norman O. Birge

We present a microscopic theory of the effect of a microwave field on the supercurrent through a quantum point contact of arbitrary transmission. Our theory predicts that: (i) for low temperatures and weak fields, the supercurrent is…

Superconductivity · Physics 2010-09-15 F. S. Bergeret , P. Virtanen , T. T. Heikkilä , J. C. Cuevas

We demonstrate that thermoelectric currents in superconducting bilayers with a spin-active interface are controlled by the two competing processes. On one hand, spin-sensitive quasiparticle scattering at such interface generates…

Superconductivity · Physics 2015-02-16 Mikhail S. Kalenkov , Andrei D. Zaikin

We introduce a direct (Seebeck) and inverse (Peltier) thermoelectric effect induced by electron tunneling between closely separated conducting films. When a transverse temperature gradient is applied along one of two films, a bias voltage…

Mesoscale and Nanoscale Physics · Physics 2024-09-10 Mauricio Gómez Viloria , Riccardo Messina , Philippe Ben-Abdallah

The dynamics of weakly magnetized collisionless plasmas in the presence of an imposed temperature gradient along an ambient magnetic field is explored with particle-in-cell simulations and modeling. Two thermal reservoirs at different…

High Energy Astrophysical Phenomena · Physics 2018-01-22 G. T. Roberg-Clark , J. F. Drake , C. S. Reynolds , M. Swisdak

We theoretically propose that an electric voltage can be generated by thermal gradient with a rotating skyrmion crystal confined in a magnetic disk. We find that the rotation of skyrmion crystal induced by diffusive thermal magnon currents…

Mesoscale and Nanoscale Physics · Physics 2023-04-20 Junnosuke Matsuki , Masahito Mochizuki