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Related papers: Kondo screening in two-dimensional $p$-type transi…

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In the Kondo effect, a localized magnetic moment is screened by forming a correlated electron system with the surrounding conduction electrons of a non-magnetic host. Spin S=1/2 Kondo systems have been investigated extensively in theory and…

Progress in the fabrication of nanometer-scale electronic devices is opening new opportunities to uncover the deepest aspects of the Kondo effect, one of the paradigmatic phenomena in the physics of strongly correlated electrons. Artificial…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Pablo Jarillo-Herrero , Jing Kong , Herre S. J. van der Zant , Cees Dekker , Leo P. Kouwenhoven , Silvano De Franceschi

We investigate the electronic transport through a molecule in the Kondo regime. The tunneling between the electrode and the molecule is asymmetrically modulated by the oscillations of the molecule, i.e., if the molecule gets closer to one…

Mesoscale and Nanoscale Physics · Physics 2008-12-09 J. Mravlje , A. Ramsak

We study Kondo physics of a spin-$\frac{1}{2}$ impurity in electronic matter with strong spin-orbit interaction, which can be realized by depositing magnetic adatoms on the surface of a three-dimensional topological insulator. We show that…

Strongly Correlated Electrons · Physics 2015-12-10 L. Isaev , G. Ortiz , I. Vekhter

Conductance measurements of a molecular wire, contacted between an epitaxial molecule-metal bond and the tip of a scanning tunneling microscope, are reported. Controlled retraction of the tip gradually de-hybridizes the molecule from the…

Strongly Correlated Electrons · Physics 2024-02-05 R. Temirov , A. C. Lassise , F. Anders , F. S. Tautz

A many-body resonance emerges at the Fermi energy when an electron bath screens the magnetic moment of a half-filled impurity level. This Kondo effect, originally introduced to explain the abnormal resistivity behavior in bulk magnetic…

Mesoscale and Nanoscale Physics · Physics 2025-01-16 Camiel van Efferen , Jeison Fischer , Theo A. Costi , Achim Rosch , Thomas Michely , Wouter Jolie

The article reviews recent results for the low energy physics of fast tunneling centers in metallic environments. For strong enough couplings to the environment these tunneling centers display an orbital Kondo effect and give rise to a…

Strongly Correlated Electrons · Physics 2009-10-30 G. Zarand , K. Vladar

The emerging and screening of local magnetic moments in solids has been investigated for more than 60 years. Local vacancies as in graphene or in Heavy Fermions can induce decoupled bound states that lead to the formation of local moments.…

Strongly Correlated Electrons · Physics 2021-07-14 Fabian Eickhoff , Frithjof B. Anders

Moir\'e structures, along with line-graph-based $d$-electron systems, represent a setting to realize flat bands. One form of the associated strong correlation physics is the Kondo effect. Here, we address the recently observed Kondo-driven…

Strongly Correlated Electrons · Physics 2025-03-13 Fang Xie , Lei Chen , Qimiao Si

Recently, a series of noncentrosymmetric superconductors has been a subject of considerable interest since the discovery of superconductivity in CePt_3Si. In noncentrosymmetric materials, the degeneracy of bands is lifted in the presence of…

Strongly Correlated Electrons · Physics 2013-01-29 Takashi Yanagisawa

The Kondo effect may develop in those cases where there are non-commuting operators describing the interaction between the conduction electrons and impurities or defects with internal degrees of freedom. This interaction may involve spin or…

Strongly Correlated Electrons · Physics 2015-06-24 O. Újsághy , G. Zaránd , A. Zawadowski

Mesoscopic systems constitute appealing platforms to study many-body physics with light and matter degrees of freedom. The Kondo effect refers to the screening of a spin-1/2 impurity by a cloud of conduction electrons, then forming a…

Mesoscale and Nanoscale Physics · Physics 2021-09-08 Guang-Wei Deng , Loic Henriet , Da Wei , Shu-Xiao Li , Hai-Ou Li , Gang Cao , Guang-Can Guo , Marco Schiro , Karyn Le Hur , Guo-Ping Guo

We study the temperature scale of the Kondo screening of a magnetic impurity which hybridizes with a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction. The problem is mapped to an effective single-band…

Strongly Correlated Electrons · Physics 2012-02-24 Rok Zitko , Janez Bonca

Transport properties of the two-orbital Kondo effect involving both spin and orbital (pseudospin) degrees of freedom were examined in a parallel double quantum dot with a sufficient interdot Coulomb interaction and negligibly small interdot…

Mesoscale and Nanoscale Physics · Physics 2011-10-25 Yuma Okazaki , Satoshi Sasaki , Koji Muraki

We investigate Kondo effect and spin blockade observed on a many-electron quantum dot and study the magnetic field dependence. At lower fields a pronounced Kondo effect is found which is replaced by spin blockade at higher fields. In an…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 D. Kupidura , M. C. Rogge , M. Reinwald , W. Wegscheider , R. J. Haug

We study the breakdown of Kondo screening by a local magnetic field from the perspective of a measurement-driven entanglement transition in a monitored quantum system. Here, the Kondo coupling leads to the growth in entanglement of an…

Strongly Correlated Electrons · Physics 2026-02-25 Debraj Debata , Abhirup Mukherjee , Siddhartha Lal

We investigate the effect that Rashba spin-orbit coupling has on the low energy behaviour of a two dimensional magnetic impurity system. It is shown that the Kondo effect, the screening of the magnetic impurity at temperatures T < T_K, is…

Strongly Correlated Electrons · Physics 2007-11-01 Justin Malecki

We consider a 2-impurity Kondo system with spin-exchange coupling within the conduction band. Our numerical renormalization group calculations show that for strong intraband spin correlations the competition of these correlations with Kondo…

Strongly Correlated Electrons · Physics 2023-04-04 Krzysztof P. Wójcik , Johann Kroha

We study the interplay between the spin-liquid and Kondo physics, as related to the non-magnetic part of the phase diagram of heavy fermion materials. Within the unrestricted mean-field treatment of the infinite-$U$ 2D Anderson-Heisenberg…

Strongly Correlated Electrons · Physics 2009-11-13 Jian-Xin Zhu , I. Martin , A. R. Bishop

We theoretically study the Kondo screening of a spin-1/2 magnetic impurity in the bulk of a type-II Weyl semimetal (WSM) by use of the variational wave function method. We consider a type-II WSM model with two Weyl nodes located on the…

Strongly Correlated Electrons · Physics 2019-06-06 Lu-Ji Wang , Xing-Tai Hu , Lin Li , Dong-Hui Xu , Jin-Hua Sun , Wei-Qiang Chen