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Quantum Hall effect. --- Quantised Hall effect --- Quantized Hall effect --- Hall effect --- Quantum theory
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Quantum Hall effect --- Semiconductors --- Magnetic fields --- Junctions
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This volume contains papers from the 4th Conference on Physical Phenomena at High Magnetic Fields, held in New Mexico in 2001. This conference brought together experts in scientific research areas where high magnetic fields play an important role, to discuss promising new directions in the area.
Magnetic fields --- Semiconductors --- Superconductors --- Fermions --- Quantum Hall effect
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Without sensors most electronic applications would not exist-sensors perform a vital function, namely providing an interface to the real world. Hall effect sensors, based on a magnetic phenomena, are one of the most commonly used sensing technologies today. In the 1970's it became possible to build Hall effect sensors on integrated circuits with onboard signal processing circuitry, vastly reducing the cost and enabling widespread practical use. One of the first major applications was in computer keyboards, replacing mechanical contacts. Hundreds of millions of these devices are now manufactured
Hall effect. --- Detectors. --- Sensors --- Engineering instruments --- Physical instruments --- Electric currents --- Electricity --- Galvanomagnetic effects --- Gyrators --- Engineering --- Electronics
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Superconductivity is the most striking phenomenon in solid state physics. The electrical resistance normally arising from impurities and the phonons in a metal suddenly drops to zero below a critical temperature Tc. Not all elemental metals show superconductivity, which suggests that the phenomenon depends on the lattice structure and Fermi surface. The cause of the superconductivity is found to be the phonon-exchange attraction. Quantum Theory of Conducting Matter: Superconductivity targets scientists, researchers and second-year graduate-level students focused on experimentation in the field of condensed matter physics, solid state physics, superconductivity and the Quantum Hall Effect. Many worked out problems are included in the book to aid the reader's comprehension of the subject. The following superconducting properties are covered and microscopically explained in this book: zero resistance Meissner effect flux quantization Josephson effect excitation energy gap Shigeji Fujita and Kei Ito are authors of Quantum Theory of Conducting Matter: Newtonian Equations of Motion for a Bloch Electron, predecessor to this book on superconductivity.
Quantum Hall effect. --- Superconductivity. --- Superconductivity --- Quantum Hall effect --- Physics --- Physical Sciences & Mathematics --- Atomic Physics --- Electricity & Magnetism --- Quantised Hall effect --- Quantized Hall effect --- Physics. --- Quantum physics. --- Optics. --- Electrodynamics. --- Elementary particles (Physics). --- Quantum field theory. --- Quantum optics. --- Quantum computers. --- Spintronics. --- Optics and Electrodynamics. --- Quantum Physics. --- Quantum Information Technology, Spintronics. --- Elementary Particles, Quantum Field Theory. --- Quantum Optics. --- Hall effect --- Quantum theory --- Electric conductivity --- Critical currents --- Superfluidity --- Quantum theory. --- Classical Electrodynamics. --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Mechanics --- Thermodynamics --- Optics --- Photons --- Relativistic quantum field theory --- Field theory (Physics) --- Relativity (Physics) --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Nuclear physics --- Fluxtronics --- Magnetoelectronics --- Spin electronics --- Spinelectronics --- Microelectronics --- Nanotechnology --- Computers --- Dynamics --- Light
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This book provides an overview of recent developments in experiments probing the fractional quantum Hall (FQH) states of the second Landau level, especially the u=5/2 state. It summarizes the state-of-the-art understanding of these FQH states. It furthermore describes how the properties of the FQH states can be probed experimentally, by investigating tunneling and confinement properties. The progress towards the realization of an experiment, allowing to probe the potentially non-Abelian statistics of the quasiparticle excitations at u=5/2 is discussed. The book is intended as a reference for graduate students, PostDocs and researchers starting in the field. The experimental part of this book gives practical advice for solving the experimental challenges which researchers studying highly fragile FQH states are faced with.
Physics. --- Solid State Physics. --- Optical and Electronic Materials. --- Spectroscopy and Microscopy. --- Optical materials. --- Physique --- Matériaux optiques --- ;. --- Atomic Physics --- Physics --- Physical Sciences & Mathematics --- Quantum Hall effect. --- Quantum field theory. --- Relativistic quantum field theory --- Quantised Hall effect --- Quantized Hall effect --- Solid state physics. --- Spectroscopy. --- Microscopy. --- Electronic materials. --- Field theory (Physics) --- Quantum theory --- Relativity (Physics) --- Hall effect --- Optics --- Materials --- Analysis, Microscopic --- Light microscopy --- Micrographic analysis --- Microscope and microscopy --- Microscopic analysis --- Optical microscopy --- Analysis, Spectrum --- Spectra --- Spectrochemical analysis --- Spectrochemistry --- Spectroscopy --- Chemistry, Analytic --- Interferometry --- Radiation --- Wave-motion, Theory of --- Absorption spectra --- Light --- Spectroscope --- Electronic materials --- Solids --- Qualitative --- Spectrometry --- Analytical chemistry
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The book presents a comprehensive yet concise introduction to the physics of two-dimensional electron systems in the quantum Hall regime, as well as an up-to-date overview of the current fields of research concerning the integer and fractional quantum Hall effect. The physics of two-dimensional electron systems at low temperatures and high magnetic fields are governed by the formation of discrete energy levels referred to as Landau levels. These narrow energy bands not only form the basis of the well-known quantum Hall effect but also promote strong interactions between the electrons, giving rise to some of the finest manifestations of many-body physics in solid state science. Examples include skyrmionic spin textures, ferromagnetic spin transitions, stripe and bubble phases, as well as fractional quantum Hall states with potential non-abelian exchange statistics. The thesis succeeds in profoundly deepening our understanding of these exotic states of matter, with a main focus on the density-modulated phases in the quantum Hall regime. These phases arise from the interplay of competing interactions and are characterized by a self-organized ordering of electrons in spatial patterns. Similar phases of matter are currently being studied in other material systems as well, most notably in high-temperature superconductors. The thesis stands out not only in terms of its contribution to improving readers’ grasp of physics, but also in the diversity and novelty of the measurement techniques employed, which take advantage of the interaction between the electrons and the surrounding crystal lattice.
Physics. --- Quantum physics. --- Surfaces (Physics). --- Interfaces (Physical sciences). --- Thin films. --- Quantum computers. --- Spintronics. --- Quantum Information Technology, Spintronics. --- Surface and Interface Science, Thin Films. --- Quantum Physics. --- Quantum Hall effect. --- Nuclear spin. --- Spin, Nuclear --- Quantised Hall effect --- Quantized Hall effect --- Angular momentum (Nuclear physics) --- Nuclear physics --- Hall effect --- Quantum theory --- Quantum theory. --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Films, Thin --- Solid film --- Solid state electronics --- Solids --- Surfaces (Technology) --- Coatings --- Thick films --- Surface chemistry --- Surfaces (Physics) --- Fluxtronics --- Magnetoelectronics --- Spin electronics --- Spinelectronics --- Microelectronics --- Nanotechnology --- Computers
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In recent years, remarkable progress in the fabrication of novel mesoscopic devices has produced a revival of interest in quantum Hall physics. New types of measurements, more precise and efficient than ever, have made it possible to focus closely on the electronic properties of quantum Hall edge states. This is achieved by applying charge and heat currents at mesoscopic length scales, attaching metallic gates and Ohmic contacts, and splitting edge channels with the help of quantum point contacts. The experiments reveal fascinating new phenomena, such as the interference, statistics, and topological phase shifts of fractionally charged quasi-particles, strong interaction and correlation effects, and phase transitions induced by non-Gaussian fluctuations. The thesis discusses some puzzling results of these experiments and presents a coherent picture of mesoscopic effects in quantum Hall systems, which accounts for integer and fractional filling factors and ranges from microscopic theory to effective models, and covers both equilibrium and non-equilibrium phenomena.
Condensed matter. --- Mesoscopic phenomena (Physics). --- Quantum Hall effect. --- Quantum theory. --- Physics --- Physical Sciences & Mathematics --- Atomic Physics --- Quantum field theory. --- Relativistic quantum field theory --- Quantised Hall effect --- Quantized Hall effect --- Physics. --- Quantum physics. --- Superconductivity. --- Superconductors. --- Electronic circuits. --- Quantum Physics. --- Strongly Correlated Systems, Superconductivity. --- Electronic Circuits and Devices. --- Field theory (Physics) --- Quantum theory --- Relativity (Physics) --- Hall effect --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Mechanics --- Thermodynamics --- Electron-tube circuits --- Electric circuits --- Electron tubes --- Electronics --- Superconducting materials --- Superconductive devices --- Cryoelectronics --- Solid state electronics --- Electric conductivity --- Critical currents --- Superfluidity --- Materials
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Devoted to the quantum Hall effect. This volume proceeds with reviews on the mathematics and physics of both the integer and fractional case. It includes presentations of the tunneling and metrology experiments related to the quantum Hall effect. The book is of interest to physicists and mathematicians at professional or graduate student level.
Quantum Hall effect --- Quantum theory. --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Mathematical physics. --- Quantum Physics. --- Mathematical Methods in Physics. --- Physical mathematics --- Mathematics --- Quantum physics. --- Physics. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics
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High temperature superconductors. --- Superconductors. --- Dispersion. --- Hall effect. --- Ceramic superconductors. --- Ceramics, Superconducting --- Superconducting ceramic materials --- Superconducting ceramics --- Ceramic materials --- Superconductors --- Electric currents --- Electricity --- Galvanomagnetic effects --- Gyrators --- Optics --- Superconducting materials --- Superconductive devices --- Cryoelectronics --- Electronics --- Solid state electronics --- Materials at low temperatures --- Materials
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