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Two Dimensional Electrons In Strong Magnetic Fields
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Book Synopsis Two Dimensional Electrons in Strong Magnetic Fields by : Herbert A. Fertig
Download or read book Two Dimensional Electrons in Strong Magnetic Fields written by Herbert A. Fertig and published by . This book was released on 1988 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charge Density Wave State of Two-dimensional Electrons in Strong Magnetic Fields by : Daijiro Yoshioka
Download or read book Charge Density Wave State of Two-dimensional Electrons in Strong Magnetic Fields written by Daijiro Yoshioka and published by . This book was released on 1979 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 30 Years of the Landau Institute by : Isaak Markovich Khalatnikov
Download or read book 30 Years of the Landau Institute written by Isaak Markovich Khalatnikov and published by World Scientific. This book was released on 1996 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Landau Institute for Theoretical Physics was created in 1965 by a group of LD Landau's pupils. Very soon, it was widely recognized as one of the world's leading centers in theoretical physics. According to Science Magazine, the Institute in the eighties had the highest citation index among all the scientific organizations in the former Soviet Union. This collection of the best papers of the Institute reflects the development of the many directions in the exact sciences during the last 30 years. The reader can find the original formulations of well-known notions in condensed matter theory, quantum field theory, mathematical physics and astrophysics, which were introduced by members of the Landau Institute.The following are some of the achievements described in this book: monopoles (A Polyakov), instantons (A Belavin et al.), weak crystallization (S Brazovskii), spin superfluidity (I Fomin), finite band potentials (S Novikov) and paraconductivity (A Larkin, L Aslamasov).
Book Synopsis Ground State Energy of Two-dimensional Electrons in Strong Magnetic Fields by : Wuyan Lai
Download or read book Ground State Energy of Two-dimensional Electrons in Strong Magnetic Fields written by Wuyan Lai and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Two Dimensional Systems of Interacting Electrons in a Strong Magnetic Field by : Noam Sivan
Download or read book Two Dimensional Systems of Interacting Electrons in a Strong Magnetic Field written by Noam Sivan and published by . This book was released on 1992 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Two-dimensional Electron Gas in a Strong Magnetic Field by : Hidetoshi Fukuyama
Download or read book The Two-dimensional Electron Gas in a Strong Magnetic Field written by Hidetoshi Fukuyama and published by . This book was released on 1977 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Two-Dimensional Electron Gas in a Strong Magnetic Field by : A. Isihara
Download or read book Two-Dimensional Electron Gas in a Strong Magnetic Field written by A. Isihara and published by . This book was released on 1982 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: The RPA dielectric function is obtained under the De Haas-Van Alphen conditions. By using a sum rule, an explicit formula for the oscillating effective g factor is derived. The density and frequency dependences of the cyclotron effective mass and relaxation time of the electrons in Si inversion layers are also evaluated and compared with the recent data of Wagner, Kennedy, McCombe, and Tsui.
Book Synopsis The Physics of the Two-Dimensional Electron Gas by : J.T. Devreese
Download or read book The Physics of the Two-Dimensional Electron Gas written by J.T. Devreese and published by Springer. This book was released on 1987-11 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 1986 Advanced Study Institute on "The Physics of the two-Dimen sional Electron Gas" took place at the Conference Centre liTer Helme", close to Oostende (Belgium), from June 2 till 16, 1986. We were motivated to organize this Advanced Study Institute in view of the recent experimental and theoretical progress in the study of the two-dimensional electron gas. An additional motivation was our own theore tical interest in cyclotron resonance in two-dimensional electron systems at our institute. It is my pleasure to thank several instances and people who made this Advanced Study Institute possible. First of all, the sponsor of the Advanced Study Institute, the NATO Scientific Committee. Furthermore, the co sponsors: Agfa Gevaert, Bell Telephone Mfg. Co. N.V., Burroughs Belgium. Control Data. Digital Equipment Corporation, Esso Belgium. European Research Office (USA). Kredietbank. National Science Foundation (USA). Special thanks are due to the members of the Program Committee and the members of the Organizing Committee. I would also like to thank Mrs. H. Evans for typing assistance.
Book Synopsis Two-Dimensional Electrons by : A. Isihara
Download or read book Two-Dimensional Electrons written by A. Isihara and published by . This book was released on 1985 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers Submitted: Two-Dimensional Electrons in Strong Magnetic Field, Low-temperature Properties of Two-Dimensional Electrons. Effects of Level Broadening on the Magnetothermal Oscillations in Two-Dimensional Electron Systems; Magnetothermal Oscillations in a Two-Dimensional Electron System; Elementary Excitations and Energy Dispersion in TTF-TCNQ, Magnetoconductivity of 2D Conductors; Memory Function for Cyclotron Resonance of Two-Dimensional Electron Systems; and Quantum Oscillations of 2D Electron Systems.
Book Synopsis Electrons and Disorder in Solids by : V.F. Gantmakher
Download or read book Electrons and Disorder in Solids written by V.F. Gantmakher and published by Oxford University Press. This book was released on 2005-08-25 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has been written for those who study or professionally deal with solid state physics. It contains modern concepts about the physics of electrons in solids. It is written using a minimum of mathematics. The emphasis is laid on various physical models aimed at stimulating creative thinking. The book helps the reader choose the most efficient scheme of an experiment or the optimal algorithm of a calculation. Boltzmann and hopping types of conductivity are compared. Thequalitative theory of weak localization is presented and its links with the true localization and metal-insulator transitions. Processes that determine the structure of impurity bands are revealed. The concepts introduced in this book are applied to descriptions of granular metals and quasicrystals, aswell as the integer quantum Hall effect, emphasizing their universality.
Book Synopsis Phonon Exchange by Two-dimensional Electrons in Intermediate Magnetic Fields by : Gokul Gopalakrishnan
Download or read book Phonon Exchange by Two-dimensional Electrons in Intermediate Magnetic Fields written by Gokul Gopalakrishnan and published by . This book was released on 2008 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: The discovery of the integer and fractional quantum Hall effects have broadened the exploration of the two-dimensional electron gas to regimes where complex and exciting physics lay previously hidden. While many experimental investigations have focused on the regime of large magnetic fields where transport properties are determined by contributions from a single Landau level, the regime of intermediate fields, where multiple Landau levels are involved, has been much less explored. This dissertation is a report on a previously unobserved interaction probed by a novel type of magneto-transport measurement performed in this intermediate regime, in bilayer two-dimensional electron systems. This measurement technique, known as electron drag, directly measures interlayer electron-electron scattering rates, by measuring the voltage induced in one of the layers when a current is driven through the other. The scattering mechanism, which may be Coulomb or phonon mediated, depends critically on both the separation between the layers and the electron density. When electron drag is measured in the presence of a perpendicular magnetic field in suitable samples, the resulting magnetodrag signal reveals new information about the electronic states as well as properties of a phonon mediated scattering mechanism. This phonon scattering mechanism is reflected in previously unobserved oscillations. These oscillations, which are periodic in the inverse field, are argued to arise from a resonant interlayer exchange of $2k_F$ phonons. Measurements of the temperature, density and layer-spacing dependences of magnetodrag resistivity are reported and are shown to confirm this particular mechanism. Additionally, analysis of the temperature dependence reveals a strong sensitivity to Landau level widths. Based on this analysis, a means of characterizing the broadening of Landau levels and hence, electronic lifetimes in this regime, which are otherwise difficult to characterize, is proposed.
Book Synopsis Optical Properties of 2D Systems with Interacting Electrons by : Wolfgang J. Ossau
Download or read book Optical Properties of 2D Systems with Interacting Electrons written by Wolfgang J. Ossau and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Research Workshop, held in St. Petersburg, Russia, 13-16 June 2002
Book Synopsis Physics of Semiconductors in High Magnetic Fields by : Noboru Miura
Download or read book Physics of Semiconductors in High Magnetic Fields written by Noboru Miura and published by OUP Oxford. This book was released on 2007-10-11 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the basic concepts of various physical phenomena in semiconductors and their modulated structures under high magnetic fields. The topics cover magneto-transport phenomena, cyclotron resonance, far-infrared spectroscopy, magneto-optical spectroscopy, diluted magnetic semiconductors in high magnetic fields, as well as the recent advances in the experimental techniques needed for high field experiments. Starting from the introductory part describing the basic theoretical background, each chapter introduces typical experimental data which were actually obtained in very high magnetic fields mostly in the pulsed field range up to several megagauss (20-100T). The book has both the character of a textbook and a monograph. For researchers and students with an interest in semiconductor physics or in high magnetic fields, it will serve as a useful guide.
Book Synopsis Strongly Correlated Electrons in Two Dimensions by : Sergey Kravchenko
Download or read book Strongly Correlated Electrons in Two Dimensions written by Sergey Kravchenko and published by CRC Press. This book was released on 2017-05-25 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: The properties of strongly correlated electrons confined in two dimensions are a forefront area of modern condensed matter physics. In the past two or three decades, strongly correlated electron systems have garnered a great deal of scientific interest due to their unique and often unpredictable behavior. Two of many examples are the metallic state and the metal–insulator transition discovered in 2D semiconductors: phenomena that cannot occur in noninteracting systems. Tremendous efforts have been made, in both theory and experiment, to create an adequate understanding of the situation; however, a consensus has still not been reached. Strongly Correlated Electrons in Two Dimensions compiles and details cutting-edge research in experimental and theoretical physics of strongly correlated electron systems by leading scientists in the field. The book covers recent theoretical work exploring the quantum criticality of Mott and Wigner–Mott transitions, experiments on the metal–insulator transition and related phenomena in clean and dilute systems, the effect of spin and isospin degrees of freedom on low-temperature transport in two dimensions, electron transport near the 2D Mott transition, experimentally observed temperature and magnetic field dependencies of resistivity in silicon-based systems with different levels of disorder, and microscopic theory of the interacting electrons in two dimensions. Edited by Sergey Kravchenko, a prominent experimentalist, this book will appeal to advanced graduate-level students and researchers specializing in condensed matter physics, nanophysics, and low-temperature physics, especially those involved in the science of strong correlations, 2D semiconductors, and conductor–insulator transitions.
Book Synopsis Interacting Two-Dimensional Electron and Hole Systems in Perpendicular Magnetic Fields by : Meng Ma
Download or read book Interacting Two-Dimensional Electron and Hole Systems in Perpendicular Magnetic Fields written by Meng Ma and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electron and hole systems confined in two dimensions exhibit a plethora of exotic quantum phases under perpendicular magnetic field at sufficiently low temperature. In this thesis, we explore several of these quantum phases in state-of-the-art high-quality InAs and GaAs quantum wells and study their formation, phase diagram, and geometric resonance behavior under a one-dimensional periodic magnetic modulation.The two-dimensional (2D) electron system in an InAs quantum well has emerged as a prime candidate for hosting exotic quasi-particles with non-abelian statistics such as Majorana fermions and parafermions. To attain its full promise, however, the electron system has to be clean enough to exhibit electron-electron interaction phenomena. In the first part of the thesis, we present the observation of the fractional quantum Hall effect in a very low disorder InAs quantum well. At sufficiently low temperature and very high perpendicular magnetic field, a deep minimum in the longitudinal resistance, accompanied by a nearly quantized Hall plateau at Landau level filling factor nu=4/3 was observed.A sufficiently large perpendicular magnetic field quenches the kinetic (Fermi) energy of an interacting 2D system of fermions, making them susceptible to the formation of a Wigner solid (WS) phase in which the charged carriers organize themselves in a periodic array to minimize their Coulomb repulsion energy. In low-disorder 2D electron systems confined to modulation-doped GaAs heterostructures, signatures of a magnetic-field-induced WS appear at low temperatures and very small Landau level filling factors (nu~1/5). In dilute GaAs 2D hole systems, on the other hand, thanks to the larger hole effective mass and the ensuing Landau level mixing, the WS forms at relatively higher fillings (nu~1/3). In the second part of the thesis, we present our measurements of the fundamental temperature vs. filling phase diagram for the 2D holes' WS-liquid thermal melting. Moreover, via changing the 2D hole density, we also probe their Landau level mixing vs. filling WS-liquid quantum melting phase diagram. We find our data to be in good agreement with the results of very recent calculations, although intriguing subtleties remain.A high-quality 2D electron system under a small perpendicular magnetic field exhibits ballistic cyclotron motion. When the size of the cyclotron orbit is commensurate with an external one-dimensional (1D) density modulation, a series of longitudinal resistance minima are observed as a result of this geometric resonance condition. In a GaAs 2D electron system, such 1D density modulation can be achieved through the piezoelectric effect along the [110] and [-110] crystallographic directions. In the third part of this thesis, we discuss a technique that imposes a 1D magnetic modulation to the GaAs 2D electron system in the [100] and [010] crystallographic directions where the piezoelectric effect essentially zero. This technique can be implemented to study the geometric resonance of other 2D systems such as the AlAs 2D electron system, where the major axes of the carrier pockets are along the directions. By extending this technique to higher perpendicular magnetic fields, one can also add an additional tool to probe the physics of the composite fermion systems.
Book Synopsis Quantum Hall Effect in 2D Electron Gas by : Yohannes Achenefe
Download or read book Quantum Hall Effect in 2D Electron Gas written by Yohannes Achenefe and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book we analyze the modern state of the problem connected with quantum Hall effect (integral and fractional). The quantum Hall effect is a quantum-mechanical version of the Hall effect, observed in two dimensional electron systems subjected to low temperatures (> 1K) and strong magnetic fields (10T), in which the Hall conductance takes on the quantized values (e2/h) with an integer (integer quantized Hall effect) or a rational fraction (fractional quantized Hall effect), independent of the detail of the sample geometry. The fractional quantum Hall effect is not complectly understood at the time being. Recently the idea of chiral heat transport in quantum Hall regime was pushed forward [33], we also analyze thermal transport in the fractional quantum Hall effect (FQHE). And we consider the problem of two electrons in a uniform magnetic field with the account of the center mass: (1) Quantum Mechanical Description and (2) Classical Description.
Book Synopsis Electron Localization in a Two-dimensional System in Strong Magnetic Fields by : Tsuneya Ando
Download or read book Electron Localization in a Two-dimensional System in Strong Magnetic Fields written by Tsuneya Ando and published by . This book was released on 1984 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: