Kondo Effect and Dephasing in Low-Dimensional Metallic Systems

ISBN-13: 9781402004018 / Angielski / Miękka / 2001 / 265 str.

Venkat Chandrasekhar;Chris Van Haesendonck;Alfred Zawadowski

Opis

The NATO Advanced Research Workshop took place from 29 May to I June 2000 in the picturesque Hungarian town of Pecs, 220 km south of Budapest. The main goal of the workshop was to review and promote experimental and theoretical research on the problem of Kondo-type scatteringofthe electrons in systems ofreduced dimensionalities. 53 regular participants and 7 observers from 17 different countries attended the workshop. The Kondo effect has been a topic ofintense interest for many years, due in part to its relevance to a variety of other branches of condensed matter physics. In addition to the best known example of magnetic impurities in noble metals, the physics of the Kondo effect is important in many areas of current research, including heavy-fermion physics, correlated electron systems, and high-temperature superconductivity. Of central importance in this problem is the interaction of conduction electrons in the metal with individual magnetic impurities, an interaction which also mediates the interaction ofthe impurities with each other.

Spis treści

Preface; V. Chandrasekhar, et al. Introduction; N.O. Birge, et al. Finite Size Effects in Kondo Alloys. Effect of Disorder on the Kondo Behavior of Thin Cu(Mn) Films; T.M. Jacobs, N. Giordano. The Kondo Effect and Weak Localization; P. Phillips, I. Martin. Surface Magnetic Anisotropy of Kondo Impurities Induced by Spin-Orbit Scattering; O. Újsághy. Finite Size Effects in Spin Glass Alloys. Thermopower of Mesoscopic Spin Glasses; C. Strunk, et al. Shape-Induced Magnetic Anisotropy in Dilute Magnetic Alloys; V.N. Gladilin, et al. Zero-Bias Transport Anomaly in Metallic Nanobridges; H.B. Weber, et al. Conductance Noise and Irreversibility in Diluted Magnetic Semiconductors; J. Jaroszynski, et al. Point Contact Spectroscopy and Tunnelling Spectroscopy of Kondo Impurities. Enhancement of Kondo Temperature in Nanometer-Size Point Contacts; I.K. Yanson, et al. Scanning Tunnelling Spectroscopy of a Single Kondo Impurity; R. Berndt, W.-D. Schneider. Two-Level Systems and Dephasing in Thin Metal Structures. Two-Channel Kondo Effect from Tunneling Impurities; G. Zaránd. Electron Decoherence at Zero Temperature; P. Mohanty. Probing Interactions in Mesoscopic Gold Wires; F. Pierre, et al. Kondo Effect in Non-Equilibrium; J. Kroha. Kondo Effect in Quantum Dots. Tunneling Through a Quantum Dot; A. Schiller. Electron Transport Through Quantum Dots: An Unusual Kondo Effect; S. De Franceschi, et al. The Kondo Effect in a Single-Electron Transistor; D. Goldhaber-Gordon, et al. Contributions Related to Poster Presentations. Flux Dependent Dielectric Response of Stacked Nanoscopic Rings; K.-H. Ahn, P. Fulde.High-Frequency Response of Two-Level Systems in NixNb1-x Metallic Point Contacts; O.P. Balkashin, et al. Giant Magnetoresistance of a Single Interface; J. Balogh, et al. Fermi Edge Singularities in Transport Through Quantum Dots; E. Bascones, et al. Theory of Magnetoresistance in Films of Dilute Magnetic Alloys; L. Borda. Current and Shot Noise in a Ferromagnetic Double Tunnel Junction with an Atomic Size Spacer; B.R. Bulka, et al. Positive Domain-Wall Magnetoresistance of Ferromagnetic Point Contacts; J. Caro, et al. Enhancement of Kondo Effect Due to Spin-Singlet-Triplet Competition in Quantum Dots; M. Eto, Y.V. Nazarov. Diagrammatic Theory of the Anderson Impurity Mod with Finite Coulomb Interaction; K. Haule, et al. Generalized Conductance Sum Rule in Atomic Break Junctions; S. Kirchner, et al. Is CeNiSn a Kondo Semiconductor?; Y.G. Naidyuk, et al. The Influence of Single Magnetic Impurities on the Conductance of Quantum Microconstrictions; A. Namiranian, et al. 7 Additional Chapters.