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The RKKY interaction between rare-earth (RE) ions in high-$T_c$ superconductors is considered at $T\ll T_c$. It is shown that this interaction consists of two terms: conventional oscillating one and the positive term, which is proportional…

Condensed Matter · Physics 2009-10-28 D. N. Aristov , S. V. Maleyev , A. G. Yashenkin

Motivated by proposals to employ RKKY-coupled spins as building blocks in a solid-state quantum computer, we analyze how the RKKY interaction in a 2D electron gas is influenced by spin-orbit interactions. Using a two-impurity Kondo model…

Strongly Correlated Electrons · Physics 2011-08-10 Henrik Johannesson , David F. Mross , Erik Eriksson

The nontrivial spin texture on the (001) surface of topological crystalline insulator SnTe hosts exotic scientific importance and spintronic applications. Here, we study the effects of weak Floquet optical driving on the…

Strongly Correlated Electrons · Physics 2023-03-07 Mohsen Yarmohammadi , Marin Bukov , Michael H. Kolodrubetz

Optical pump-probe measurements of spin-dynamics at temperatures down to 1.5K are described for a series of (001)-oriented GaAs/AlGaAs quantum well samples containing high mobility two-dimensional electron gases (2DEGs). For well widths…

Other Condensed Matter · Physics 2009-11-13 W. J. H. Leyland , R. T. Harley , M. Henini , D. Taylor , A. J. Shields , I. Farrer , D. A. Ritchie

A non-interacting electron gas on a one-dimensional ring is considered at finite temperatures. The localized spin is embedded at some point on the ring and it is assumed that the interaction between this spin and the electrons is the…

Mesoscale and Nanoscale Physics · Physics 2009-04-06 Sergey Smirnov

We theoretically demonstrate the Ruderman-Kittel-Kasuya-Yosida interaction between magnetic impurities that is mediated by the Weyl fermions embedded inside a three-dimensional Weyl semimetal (WSM). The WSM is characterized by a pair of…

Mesoscale and Nanoscale Physics · Physics 2016-02-05 Mir Vahid Hosseini , Mehdi Askari

Understanding skyrmion-skyrmion interactions is crucial for effectively manipulating the motion of multiple skyrmions in racetrack and logic devices. However, the fundamental nature and microscopic origins of these interactions remain…

Mesoscale and Nanoscale Physics · Physics 2026-01-27 Xuchong Hu , Huaiyang Yuan , Xiangrong Wang

Nanosized spherical system of magnetic moments interacting indirectly via the RKKY mechanism is studied. The interaction energy that determines the temperature of the ferromagnetic ordering, depends strongly on the system size. Obtained in…

Materials Science · Physics 2007-05-23 E. Z. Meilikhov , R. M. Farzetdinova

We propose a realization of mechanically tunable Ruderman-Kittel-Kasuya-Yosida interaction in a double quantum dot nanoelectromechanical device. The coupling between spins of two quantum dots suspended above a metallic plate is mediated by…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 A. V. Parafilo , M. N. Kiselev

We studied the exchange interactions mediated by polarized itinerant carriers in diluted magnetic semiconductor (DMS) junction. In contrast to the ordinary RKKY oscillations, the induced moment possesses an interesting spiral motion,…

Other Condensed Matter · Physics 2009-11-10 Shih-Jye Sun , Song-Shien Cheng , Hsiu-Hau Lin

Carrier-mediated exchange coupling, known as Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction, plays a fundamental role in itinerant ferromagnetism and has great application potentials in spintronics. A recent theorem based on the…

Strongly Correlated Electrons · Physics 2015-05-13 J. E. Bunder , Hsiu-Hau Lin

In our publication from 8 years ago (Phys. Rev. B {\bf 84}, 115119 (2011)) we calculated RKKY interaction between two magnetic impurities adsorbed on graphene at zero temperature. We show in this short paper that the approach based on…

Mesoscale and Nanoscale Physics · Physics 2019-04-02 E. Kogan

We study the influence of strong nonmagnetic disorder on the Ruderman-Kittel-Kasuya-Yosida (RKKY) interactions between diluted magnetic moments in metals. We find that the probability distribution for the RKKY interactions assumes strongly…

Strongly Correlated Electrons · Physics 2011-11-09 J. A. Sobota , D. Tanaskovic , V. Dobrosavljevic

Exchange interactions with itinerant electrons are known to act as a relaxation mechanism for individual local spins. The same exchange interactions are also known to induce the so called RKKY indirect exchange interaction between two…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 F. Delgado , J. Fernández-Rossier

In this letter, we consider through simulation Ruderman-Kittel-Kasuya-Yosida (RKKY) interactions between nanomagnets sitting on a conductive surface, and voltage-controlled gating thereof for low-energy switching of nanomagnets for possible…

Mesoscale and Nanoscale Physics · Physics 2016-08-03 Bahniman Ghosh , Rik Dey , Leonard F. Register , Sanjay K. Banerjee

We consider the effect of the RKKY interaction between magnetic impurities on the electron relaxation rates in a normal metal. The interplay between the RKKY interaction and the Kondo effect may result in a non-monotonic temperature…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 M. G. Vavilov , L. I. Glazman , A. I. Larkin

We study the RKKY interaction between two magnetic impurities located on the surface of a three-dimensional Dirac semimetal with two Dirac nodes in the band structure. By taking into account both bulk and surface contributions to the…

Mesoscale and Nanoscale Physics · Physics 2019-04-05 V. Kaladzhyan , A. A. Zyuzin , P. Simon

We present an analytical method which enables one to find the exact spatial dependence of the indirect RKKY interaction between the localized moments via the conduction electrons for the arbitrary dimensionality $n$. The corresponding…

Strongly Correlated Electrons · Physics 2009-10-28 D. N. Aristov

Magnetically-doped graphene systems are potential candidates for application in future spintronic devices. A key step is to understand the pairwise interactions between magnetic impurities embedded in graphene that are mediated by the…

Mesoscale and Nanoscale Physics · Physics 2013-02-04 Stephen R. Power , Mauro S. Ferreira

We show that the pitfalls encountered in earlier calculations of the RKKY range function for a non interacting one dimensional electron gas at zero temperature can be unraveled and successfully dealt with through a proper handling of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Gabriele F. Giuliani , Giovanni Vignale , Trinanjan Datta