Thermoelectric Transport at the Metal-insulator Transition in Disordered Systems PDF Download
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Author: Cristine Villagonzalo
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Book Description
Author: Cristine Villagonzalo
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
This dissertation demonstrates the behavior of the electronic transport properties in the presence of a temperature gradient in disordered systems near the metal-insulator transition. In particular, we first determine the d.c. conductivity, the thermopower, the thermal conductivity, the Lorenz number, the figure of merit, and the specific heat of a three-dimensional Anderson model of localization by two phenomenological approaches. Then we also compute the d.c. conductivity, the localization length and the Peltier coefficient in one dimension by a new microscopic approach based on the recursive Green's functions method. A fully analytic study is difficult, if not impossible, due to the problem of treating the intrinsic disorder in the model, as well as, incorporating a temperature gradient in the Hamiltonian. Therefore, we resort to various numerical methods to investigate the problem.
Author: Nevill Mott
Publisher: CRC Press
ISBN: 1466576456
Category : Technology & Engineering
Languages : en
Pages : 287
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Book Description
This is a second edition of a classic book. Written by the late, great Sir Nevill Mott (Britain's last Nobel Prize winner for Physics), Metal Insulator Transitions has been greatly updated and expanded to further enhance its already enviable reputation.
Author: Karl Heinz Hoffmann
Publisher: Springer Science & Business Media
ISBN: 3540335412
Category : Computers
Languages : en
Pages : 365
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Book Description
This book presents advances in high performance computing as well as advances accomplished using high performance computing. It contains a collection of papers presenting results achieved in the collaboration of scientists from computer science, mathematics, physics, and mechanical engineering. From science problems to mathematical algorithms and on to the effective implementation of these algorithms on massively parallel and cluster computers, the book presents state-of-the-art methods and technology, and exemplary results in these fields.
Author: Hellmut Fritzche
Publisher: Springer Science & Business Media
ISBN: 146132517X
Category : Science
Languages : en
Pages : 529
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Book Description
This volume and its two companion volumes, entitled Tetrahedrally-Bonded Amorphous Semiconductors and Physics of Disordered Materials, are our way of paying special tribute to Sir Nevill Mott and to express our heartfelt wishes to him on the occasion of his eightieth birthday. Sir Nevill has set the highest standards as a physicist, teacher, and scientific leader. Our feelings for him include not only the respect and admiration due a great scientist, but also a deep affection for a great human being, who possesses a rare combination of outstanding personal qualities. We thank him for enriching our lives, and we shall forever carry cherished memories of this noble man. Scientists best express their thanks by contributing their thoughts and observations to a Festschrift. This one honoring Sir Nevill fills three volumes, with literally hundreds of authors meeting a strict deadline. The fact that contributions poured in from all parts of the world attests to the international cohesion of our scientific community. It is a tribute to Sir Nevill's stand for peace and understanding, transcending national borders. The editors wish to express their gratitude to Ghazaleh Koefod for her diligence and expertise in deciphering and typing many of the papers, as well as helping in numerous other ways. The blame for the errors that remain belongs to the editors.
Author: Frank Milde
Publisher:
ISBN:
Category :
Languages : en
Pages : 105
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Book Description
Author: N. Miura
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 960
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Book Description
As the proceedings of the most important and prestigious conference in the field of semiconductor physics, this book contains the latest information on the progress of semiconductor physics. Almost 1000 contributed papers address the full range of current topics. The special symposium deals with the interface between the fundamentals and device applications and tries to predict the developments in semiconductor physics, semiconductor materials and device applications in the 21st century. A wide range of contributions represent the forefront of academic and industrial research.
Author: Enrique Macia
Publisher: CRC Press
ISBN: 9814463531
Category : Science
Languages : en
Pages : 355
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Book Description
Environmental and economic concerns have significantly spurred the search for novel, high-performance thermoelectric materials for energy conversion in small-scale power generation and refrigeration devices. This quest has been mainly fueled by the introduction of new designs and the synthesis of new materials. In fact, good thermoelectric material
Author: A.L. Efros
Publisher: Elsevier
ISBN: 044460099X
Category : Science
Languages : en
Pages : 703
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Book Description
``Electron-Electron Interactions in Disordered Systems'' deals with the interplay of disorder and the Coulomb interaction. Prominent experts give state-of-the-art reviews of the theoretical and experimental work in this field and make it clear that the interplay of the two effects is essential, especially in low-dimensional systems.
Author: Raffaello Ferone
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Landau theory of Fermi liquids foresees that the charge and heat are tranported by the same objects: the fermionic Landau quasi-particles. In a very general way, it is true if the screening among particles is quite strong to can consider the system as composed yet by independent particles. This is the case for the electron sea in an ordinary bulk metal. The existance of just one responsible for charge and heat transport is expressed by the Wiedemann-Franz (WF) law. It states that the ratio between the thermal and electrical conductivity depends on temperature by a constant which is more or less the same for several metals. The constant of proportionality is called the Lorenz number. What happens if the above-mentioned condition on screening is no longer satisfied, as for example in low-dimensional systems or electronic low-density systems ? The thesis is diveded into two parts. In the first one, we studied the thermal and electrical transport in a disordered quantum wire; in the second one, the influence of superconducting fluctuations on thermal conductivity in granular metals.
