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Related papers: Temperature-dependent proximity magnetism in Pt

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The thermal conductivity of a quasiparticle (QP) system described by a relativistic four-fermion interaction model in the presence of an external magnetic field is calculated. It is shown that, for narrow width of quasiparticles, the…

High Energy Physics - Phenomenology · Physics 2009-11-07 E. J. Ferrer , V. P. Gusynin , V. de la Incera

Phase-separated magnetic fluids provide a very strong magnetic response ($\mu>25$) in a liquid state material. Even small fields can cause a notable material response, but this depends on its properties, which are often difficult to…

Soft Condensed Matter · Physics 2024-05-10 Laura Nelsone , Guntars Kitenbergs

The thermal entanglement in a two-spin-qutrit system with two spins coupled by exchange interaction under a magnetic field in an arbitrary direction is investigated. Negativity, the measurement of entanglement, is calculated. We find that…

Quantum Physics · Physics 2011-02-19 Guo-Feng Zhang , Shu-Shen Li

The mechanism of the peculiar transport properties around the magnetic ordering temperature of semiconducting antiferromagnetic EuCd$_2$P$_2$ is not yet understood. With a huge peak in the resistivity observed above the N\'eel temperature,…

Starting from the assumption that ferromagnetically correlated regions exist in manganites even in the absence of long-range magnetic order, we construct a model of charge transfer due to the spin-dependent tunnelling of charge carriers…

Strongly Correlated Electrons · Physics 2007-05-23 K. I. Kugel , A. L. Rakhmanov , A. O. Sboychakov , M. Yu. Kagan , I. V. Brodsky , A. V. Klaptsov

We investigated the spin pumping damping contributed by paramagnetic layers (Pd, Pt) in both direct and indirect contact with ferromagnetic Ni$_{81}$Fe$_{19}$ films. We find a nearly linear dependence of the interface-related Gilbert…

Mesoscale and Nanoscale Physics · Physics 2016-07-19 M. Caminale , A. Ghosh , S. Auffret , U. Ebels , K. Ollefs , F. Wilhelm , A. Rogalev , W. E. Bailey

Atomically thin two dimensional magnets have given rise to emergent phenomena due to magnetic exchange and spin-orbit coupling showing a great promise for realizing ultrathin device structures. In this paper, we critically examine the…

Mesoscale and Nanoscale Physics · Physics 2021-12-22 Duo Wang , Xin Chen , Biplab Sanyal

We elucidate the finite temperature entanglement properties of $N=9$ qubits Heisenberg $XX$ and $XXZ$ models under the presence of a polarized magnetic field in $xz$ plane by means of concurrence concept. We perform a systematic analysis…

Statistical Mechanics · Physics 2016-09-03 Umit Akinci , Erol Vatansever , Yusuf Yuksel

The recently reported magnetic ordering in insulating two-dimensional (2D) materials, such as chromium triiodide (CrI$_3$) and chromium tribromide (CrBr$_3$), opens new possibilities for the fabrication of magneto-electronic devices based…

When a charge current is applied to a junction comprising two different conductors, its temperature increases or decreases depending on the direction of the charge current. This phenomenon is called the Peltier effect, which is used in…

Mesoscale and Nanoscale Physics · Physics 2016-12-30 Shunsuke Daimon , Ryo Iguchi , Tomosato Hioki , Eiji Saitoh , Ken-ichi Uchida

The pseudogap phenomena observed on cuprate high temperature superconductors are investigated based on the exact diagonalization method on the finite cluster t-J model. The results show the presence of the gap-like behavior in the…

Strongly Correlated Electrons · Physics 2009-10-31 Toru Sakai , Yoshinori Takahashi

The persistent current in small isolated rings enclosing magnetic flux is the current circulating in equilibrium in the absence of an external excitation. While initially studied in superconducting and normal metals, recently, atomic…

Quantum Gases · Physics 2022-03-08 Ovidiu I. Patu , Dmitri V. Averin

We show that a huge thermoelectric effect can be observed by contacting a superconductor whose density of states is spin-split by a Zeeman field with a ferromagnet with a non-zero polarization. The resulting thermopower exceeds $k_B/e$ by a…

Superconductivity · Physics 2014-02-10 A. Ozaeta , P. Virtanen , F. S. Bergeret , T. T. Heikkilä

We report on the origin of ferromagnetic like behaviour observed for 2.4 nm size Pd nanoparticles. Localised magnetic moments on metallic surfaces have been recently shown to induce orbital motion of the itinerant electrons via spin-orbit…

Materials Science · Physics 2007-05-23 A. Hernando , B. Sampedro , M. A. Garcia , P. Marin , G. Rivero , P. Crespo , J. M. Gonzalez

In this paper the structural, magnetic, and dielectric properties of langasite compound Pb$_3$TeMn$_3$P$_2$O$_{14}$ have been investigated as a candidate of short-range magnetic correlations driven development of dielectric anomaly above…

Materials Science · Physics 2021-07-01 Rafikul Ali Saha , Desheng Fu , Mitsuru Itoh , Sugata Ray

We have studied the irreversibility of the magnetization induced by thermal cycles in La0.5Ca0.5MnO3 manganites, which present a low temperature state characterized by the coexistence of phases. The effect is evidenced by a decrease of the…

Materials Science · Physics 2026-05-15 Bernardo Sievers , Mariano Quintero , Joaquín Sacanell

Using a combination of single-crystal neutron scattering and reverse Monte Carlo refinements, we study the magnetic structure of paramagnetic MnO at a temperature (160\,K) substantially below the Curie-Weiss temperature…

A model of magnetic interactions in the ordered ferromagnetic FePt is proposed on the basis of first-principles calculations of non-collinear magnetic configurations and shown to be capable of explaining recent measurements of magnetic…

Fluid Dynamics · Physics 2015-06-26 O. N. Mryasov , U. Nowak , K. Y. Guslienko , R. W. Chantrell

Suppression of superconductivity due to the proximity effect between a superconductor and a ferromagnet can be partially alleviated when a Cooper pair simultaneously samples different directions of the short-range exchange field. The…

We studied the displacement of magnetic domains under temperature gradients in perpendicularly magnetized Ta/[Pt/Co$_{68}$B$_{32}$/Ir]$_{\times 10}$/Pt multilayer tracks with microfabricated Pt heaters/thermometers by magnetic force…

Mesoscale and Nanoscale Physics · Physics 2025-06-12 Lin Huang , Joseph Barker , Lekshmi Kailas , Soumyarup Hait , Simon D. Connell , Gavin Burnell , Christopher H. Marrows