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We study the Kondo screening of a single magnetic impurity inside a non-magnetic quantum corral located on the surface of a metallic host system. We show that the spatial structure of the corral's eigenmodes lead to a spatially dependent…

Strongly Correlated Electrons · Physics 2007-05-23 Enrico Rossi , Dirk K. Morr

Electronic transport through a quantum dot strongly coupled to electrodes is studied within a model with two conduction channels. It is shown that multiple scattering and interference of transmitted waves through both channels lead to Fano…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Bogdan R. Bulka , Piotr Stefanski

We investigate the dynamical and transport features of a Kondo dot side-coupled to a topological superconductor (TS). The Majorana fermion states (MFS) formed at the ends of the TS are found to be able to alter the Kondo physics profoundly:…

Strongly Correlated Electrons · Physics 2012-10-24 Minchul Lee , Jong Soo Lim , Heunghwan Khim , Rosa Lopez

Charge transfer complexes are materials with a wide range of interesting optical and electronic properties. They have seen a great deal of research over the past decade, both in device development as well as research to elucidate the…

Materials Science · Physics 2024-06-04 Satwik Ramanjanappa , Edward R Van Keuren

We discuss the electronic transport through molecules in the Kondo regime. We concentrate here on the influence of molecular vibrations. Two types of vibrations are investigated: (i) the breathing internal molecular modes, where the…

Mesoscale and Nanoscale Physics · Physics 2009-12-21 J. Mravlje , A. Ramsak

In this work, we study the effects of a transverse magnetic field in a Kondo lattice model with two $f$ orbitals interacting with the conduction electrons. The $f$ electrons that are present on the same site interact through Hund's…

Strongly Correlated Electrons · Physics 2023-08-16 Christopher Thomas , Sébastien Burdin , Claudine Lacroix

The transmission of electrons through a non-interacting tight-binding chain with an interacting side quantum dot (QD) is analized. When the Kondo effect develops at the dot the conductance presents a wide minimum, reaching zero at the…

Strongly Correlated Electrons · Physics 2009-11-07 M. E. Torio , K. Hallberg , A. H. Ceccatto , C. R. Proetto

The Kondo effect is a striking consequence of the coupling of itinerant electrons to a quantum spin with degenerate energy levels. While degeneracies are commonly thought to arise from symmetries or fine-tuning of parameters, the recent…

Mesoscale and Nanoscale Physics · Physics 2012-10-11 B. Béri , N. R. Cooper

We report results of low-temperature thermodynamic and transport measurements of Pb_{1-x}Tl_{x}Te single crystals for Tl concentrations up to the solubility limit of approximately x = 1.5%. For all doped samples, we observe a…

Strongly Correlated Electrons · Physics 2009-11-10 Y. Matsushita , H. Bluhm , T. H. Geballe , I. R. Fisher

This is a popular review of some recent investigations of the Kondo effect in a variety of mesoscopic systems. After a brief introduction, experiments are described where a scanning tunneling microscope measures the surroundings of a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Leo Kouwenhoven , Leonid Glazman

We have fabricated hybrid magnetic complexes from V atoms and tetracyanoethylene (TCNE) ligands via atomic manipulation with a cryogenic scanning tunneling microscope. Using tunneling spectroscopy we observe spin-polarized molecular…

A simple model is introduced to describe conductance measurements between a scanning tunneling microscope (STM) tip and a noble metal surface with adsorbed transition metal atoms which display the Kondo effect. The model assumes a realistic…

Strongly Correlated Electrons · Physics 2009-11-10 J. Merino , O. Gunnarsson

Atomic contacts made of ferromagnetic metals present zero-bias anomalies in the differential conductance due to the Kondo effect. These systems provide a unique opportunity to perform a statistical analysis of the Kondo parameters in…

Mesoscale and Nanoscale Physics · Physics 2012-08-28 M. Reyes Calvo , David Jacob , Carlos Untiedt

A single molecule break junction device serves as a tunable model system for probing the many body Kondo state. The low-energy properties of this state are commonly described in terms of a Kondo model, where the response of the system to…

Strongly Correlated Electrons · Physics 2013-06-28 Gavin D. Scott , Douglas Natelson , Stefan Kirchner , Enrique Muñoz

The interplay of electron-electron and electron-phonon interactions is studied analytically in the Kondo regime. A Holstein electron-phonon coupling is shown to produce a weakening of the gate voltage dependence of the Kondo temperature and…

Strongly Correlated Electrons · Physics 2007-05-23 C. A. Balseiro , P. S. Cornaglia , D. R. Grempel

The effects of finite temperature in transport through nanoscopic systems exhibiting uniaxial magnetic anisotropy D, such as molecular magnets, adatoms, or quantum dots side-coupled to a large spin are analyzed in the Kondo regime. The…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Maciej Misiorny , Ireneusz Weymann , Józef Barnaś

We have measured the Hall effect on recently synthesized single crystals of quasi-one-dimensional organic conductor TTF-TCNQ, a well known charge transfer complex that has two kinds of conductive stacks: the donor (TTF) and the acceptor…

Strongly Correlated Electrons · Physics 2015-05-27 Emil Tafra , Matija Čulo , Mario Basletić , Bojana Korin-Hamzić , Amir Hamzić , C. S. Jacobsen

A low-temperature scanning tunneling microscope is employed to build a junction comprising a Co atom bridging a copper-coated tip and a Cu(100) surface. An Abrikosov-Suhl-Kondo resonance is evidenced in the differential conductance and its…

Mesoscale and Nanoscale Physics · Physics 2012-06-28 D-J. Choi , M. V. Rastei , P. Simon , L. Limot

We have contacted single wall carbon nanotubes grown by chemical vapor deposition to superconducting Ti/Al/Ti electrodes. The device, we here report on is in the Kondo regime exhibiting a four-fold shell structure, where a clear signature…

Superconductivity · Physics 2007-05-23 K. Grove-Rasmussen , H. Ingerslev Jørgensen , P. E. Lindelof

We consider electron transport along a single-mode channel which is in contact, via tunnel junctions in its walls, with two quantum dots. Electron tunneling to and from the dots contributes to the electron backscattering, and thus modifies…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Hiroyuki Tamura , Leonid I. Glazman