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Related papers: Non-stationary thermal electromotive force generat…

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Non-collinear antiferromagnets, with either an L1$_{2}$ cubic crystal lattice (e.g. Mn$_{3}$Ir and Mn$_{3}$Pt) or a D0$_{19}$ hexagonal structure (e.g. Mn$_{3}$Sn and Mn$_{3}$Ge), exhibit a number of novel phenomena of interest to…

Solid-state cooling applications based on the electrocaloric (EC) effect are particularly promising from a technological point of view due to their downsize scalability and natural implementation in circuitry. However, EC effects typically…

Materials Science · Physics 2023-07-19 César Menéndez , Claudio Cazorla

Antiferromagnets with tunable phase transitions are promising for future spintronics applications. We investigated spin-dependent transport properties of FeRh thin films, which show a temperature driven antiferromagnetic-to-ferromagnetic…

Liquids spreading over a solid substrate under the action of various forces are known to exhibit a long wavelength contact line instability. We use an example of thermally driven spreading on a horizontal surface to study how the stability…

Pattern Formation and Solitons · Physics 2017-04-05 Roman O. Grigoriev

We show how the coupling between the phonons and electrons in a strongly correlated metal can result in phonon frequencies which have a non-monotonic temperature dependence. Dynamical mean-field theory is used to study the Hubbard-Holstein…

Strongly Correlated Electrons · Physics 2009-10-31 J. Merino , Ross H. McKenzie

We investigated the ferroelectric domain wall propagation in epitaxial Pb(Zr,Ti)O3 thin films over a wide temperature range (3 - 300 K). We measured the domain wall velocity under various electric fields and found that the velocity data is…

Materials Science · Physics 2009-11-13 J. Y. Jo , S. M. Yang , T. H. Kim , H. N. Lee , J. -G. Yoon , S. Park , Y. Jo , M. H. Jung , T. W. Noh

The symmetric part of the distribution of the electrons in a semiconductor submicron film, placed between a heater and refrigeration unit, is derived and analyzed. It is shown that, in general, it is of non-Fermi (non-Maxwellian) nature. A…

Condensed Matter · Physics 2007-05-23 Yu. G. Gurevich , G. N. Logvinov , O. Yu. Titov

Metastability effects in the formation of Condon non-spin magnetic domains are considered. A possibility for the first-order phase transition occurrence in a three-dimensional electron gas is described in the case of two-frequency…

Other Condensed Matter · Physics 2018-03-14 Leonid Bakaleinikov , Alex Gordon

We present a theory of the spin Seebeck effect driven by subthermal non-local phonon heat transfer and spectral non-uniform temperature distribution. The theory explains the non-local behavior of the effect arising from the fact that…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 K. S. Tikhonov , J. Sinova , A. M. Finkel'stein

In the present paper, it is shown that the existence of the Casimir electromotive force (EMF) is possible in nanosized configurations with nonclosed nonparallel metal plates. The nature of such EMF is associated with the drag current…

General Physics · Physics 2015-09-15 Evgeny G. Fateev

The Weyl antiferromagnet Mn$_3$Sn has recently attracted significant attention as it exhibits various useful functions such as large anomalous Hall effect that are normally absent in antiferromagnets. Here we report the thin film…

Materials Science · Physics 2019-01-04 Tomoya Higo , Danru Qu , Yufan Li , C. L. Chien , Yoshichika Otani , Satoru Nakatsuji

The room temperature liquid metal related electronics has been found important in a wide variety of emerging areas over the past few years. However, its failure features under high electrical current densities are not clear until now. Here…

Materials Science · Physics 2013-09-04 Rongchao Ma , Cangran Guo , Yixin Zhou , Jing Liu

We compare recent experimental results [Science 375, 528 (2022)] of the superfluid unitary Fermi gas near the critical temperature with a thermodynamic model based on elementary excitations of the system. We find very good agreement between…

Quantum Gases · Physics 2022-07-25 G. Bighin , A. Cappellaro , L. Salasnich

We consider an electron gas, both in two (2D) and three (3D) dimensions, interacting with quenched impurities and phonons within leading order finite-temperature many body perturbation theories, calculating the electron self-energies,…

Strongly Correlated Electrons · Physics 2020-01-08 Donovan Buterakos , Sankar Das Sarma

Multiferroic materials open up the possibility to design novel functionality in electronic devices, with low energy consumption. However, there are very few materials that show multiferroicity at room temperature, which is essential to be…

Fractional quantum Hall quasiparticles are famous for having fractional electric charge. Recent experiments report that the quasiparticles' effective electric charge determined through tunneling current noise measurements can depend on the…

Strongly Correlated Electrons · Physics 2016-02-02 Kyrylo Snizhko

Understanding collective phenomena in quantum materials from first principles is a promising route toward engineering materials properties on demand and designing new functionalities. This work examines the quantum paraelectric state, an…

Materials Science · Physics 2022-09-27 Luigi Ranalli , Carla Verdi , Lorenzo Monacelli , Matteo Calandra , Georg Kresse , Cesare Franchini

In ferroelectric materials, an electric field has been shown to change the phonon dispersion sufficiently to alter the lattice thermal conductivity, opening the possibility that a heat gradient could drive a polarization flux, and…

Materials Science · Physics 2025-01-08 Delaram Rashadfar , Brandi L. Wooten , Joseph P. Heremans

Maxwell's equations incorporating thermoelectric and thermomagnetic effects are studied. Energy transport involving electric field only flows along the velocity direction and a direction perpendicular to it. Magnetic energy transport…

General Physics · Physics 2017-09-12 A. I. Arbab

We consider thin fluid films placed on thermally conductive substrates and exposed to time-dependent spatially uniform heat source. The evolution of the films is considered within the long-wave framework in the regime such that both…

Soft Condensed Matter · Physics 2016-06-16 Nanyi Dong , Lou Kondic