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Related papers: Surface Plasmon Assisted Kondo Resonances on a Met…

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We revisit the theory of the Kondo effect observed by a scanning-tunneling microscope (STM) for transition-metal atoms (TMAs) on noble-metal surfaces, including $d$ and $s$ orbitals of the TMA, surface and bulk conduction states of the…

Mesoscale and Nanoscale Physics · Physics 2021-01-28 J. Fernandez , P. Roura-Bas , A. A. Aligia

We develop a microscopic theory of the single impurity Kondo effect on a metallic surface. We calculate the hybridization energies for the Anderson Hamiltonian of a magnetic impurity interacting with surface and bulk states and show that,…

Materials Science · Physics 2009-11-10 Chiung-Yuan Lin , A. H. Castro Neto , B. A. Jones

Surface plasmon resonances of metallic nanostructures offer great opportunities to guide and manipulate light on the nanoscale. In the design of novel plasmonic devices, a central topic is to clarify the intricate relationship between the…

Optics · Physics 2019-09-11 Sanghyeon Yu , Habib Ammari

Using interplay between surface plasmons and metamaterials, we propose a new technique for novel metamaterial designs. We show that surface plasmons existing on thin metal surfaces can be used to "drive" non-resonant structures in their…

Optics · Physics 2011-04-12 Durdu O. Guney , Thomas Koschny , Costas M. Soukoulis

Quantum theory of surface plasmons is very important for studying the interactions between light and different metal nanostructures in nanoplasmonics. In this work, using the canonical quantization method, the SPPs on nanowires and their…

Optics · Physics 2020-08-17 Guodong Zhu , Yangzhe Guo , Bin Dong , Yurui Fang

Iron, cobalt and nickel are archetypal ferromagnetic metals. In bulk, electronic conduction in these materials takes place mainly through the $s$ and $p$ electrons, whereas the magnetic moments are mostly in the narrow $d$-electron bands,…

Strongly Correlated Electrons · Physics 2009-06-18 M. R. Calvo , J. Fernández-Rossier , J. J. Palacios , D. Jacob , D. Natelson , C. Untiedt

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

We consider the effect of electromagnetic coupling between localized surface plasmons in a metallic nanoparticle (NP) and excitons or weakly interacting electron-hole pairs in a semiconductor matrix where the NP is embedded. An expression…

Mesoscale and Nanoscale Physics · Physics 2018-10-08 Rui M. S. Pereira , Joel Borges , Georgui V. Smirnov , Filipe Vaz , Mikhail I. Vasilevskiy

We have observed the compensation of loss in metal by gain in interfacing dielectric in the mixture of aggregated silver nanoparticles and rhodamine 6G dye. The demonstrated six-fold enhancement of the Rayleigh scattering is the evidence of…

Plasmon hybridization between closely spaced nanoparticles yields new hybrid modes not found in individual constituents, allowing for the engineering of resonance properties and field enhancement capabilities of metallic nanostructure.…

Optics · Physics 2016-10-13 Jingjing Zhang , Zhen Liao , Yu Luo , Xiaopeng Shen , Stefan A. Maier , Tie Jun Cui

The surface plasmon oscillations spectra in noble metal nanoparticles - rods and spheroids embedded in a host matrix is analyzed theoretically. The important role of - electrons in formation of surface plasmon resonances is shown. A simple…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Armen Melikyan , Hayk Minassian

This theoretical study, deals with the effect of bi-particle interaction on the surface plasmon resonance (SPR) in a dimer which includes two identical metal nanoparticles (NPs). Considering the dipole-dipole interaction in a Drude-like…

Mesoscale and Nanoscale Physics · Physics 2020-01-14 Asef Kheirandish , Nasser Sepehri Javan , Hosein Mohammadzadeh

To discuss Kondo effects of a magnetic ion vibrating in the sea of conduction electrons, a generalized Anderson model is derived. The model includes a new channel of hybridization associated with phonon emission or absorption. In the…

Strongly Correlated Electrons · Physics 2015-05-27 Satoshi Yashiki , Shunsuke Kirino , Kazumasa Hattori , Kazuo Ueda

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

We study the scanning tunneling microscopy response for magnetic atoms on open and structured surfaces using Wilson's renormalization group. We observe Fano resonances associated with Kondo resonances and interference effects. For a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 P. S. Cornaglia , C. A. Balseiro

The local field approach and kinetic equation method is applied to calculate the surface plasmon radiative damping in a spheroidal metal nanoparticle embedded in any dielectric media. The radiative damping of the surface plasmon resonance…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Nicolas I. Grigorchuk

Plasmonic nanoantennas, the properties of which are essentially determined by their resonance modes, are of interest both fundamentally and for various applications. Antennas with various shapes, geometries and compositions have been…

Optics · Physics 2015-08-17 Qiang Zhang , Jun Jun Xiao , Xiao Ming Zhang , Dezhuan Han , Lei Gao

Damping rates of multipolar, localized surface plasmons (SP) of gold and silver nanospheres of radii up to $1000nm$ were found with the tools of classical electrodynamics. The significant increase in damping rates followed by noteworthy…

Optics · Physics 2012-11-21 Krystyna Kolwas , Anastasiya Derkachova

The Kondo effect observed in recent STM experiments on transport through CoPc and TBrPP-Co molecules adsorbed on Au(111) and Cu(111) surfaces, respectively, is discussed within the framework of a simple model (Phys. Rev. Lett. {\bf 97},…

Strongly Correlated Electrons · Physics 2009-11-13 J. M. Aguiar-Hualde , G. Chiappe , E. Louis , E. V. Anda

Near surface silver nanoparticles embedded in silicon oxide were obtained by 40 keV silver negative ion implantation without the requirement of an annealing step. Ion beam induced local heating within the film leads to an exo-diffusion of…

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