Florian Gebhard's Books

The Mott Metal-Insulator Transition

Models and Methods

By: Florian Gebhard

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The Mott Metal-Insulator Transition

Models and Methods

By: Florian Gebhard

Little do we reliably know about the Mott transition, and we are far from a complete understanding of the metal --insulator transition due to electr- electron interactions. Mott summarized his basic ideas on the subject in his wonderful book Metal--Insulator nansitions that first appeared in 1974 11. 1). In his view, a Motk insulator displays a gap for charge-carrying excitations due to electron cowelations, whose importance is expressed by the presence of local magnetic moments regardless of whether or not they are ordered. Since the subject is far from being settled, different opinions on specific aspects of the Mott transition still persist. This book naturally embodies my own understanding of the phenomenon, inspired by the work of the late Sir Kevill Mott. The purpose of this book is twofold: first, to give a detailed presen- tion of the basic theoretical concopts for Mott insulators and, second, to test these ideas against the results from model calculations. For this purpose the Hubbard model and some of its derivatives are best suited. The Hubbard model describes a Mott transition with a mere minimum of tunable par- eters, and various exact statements and even exact solutions exist in certain limiting cases. Exact solutions not only allow us to test our basic ideas, but also help to assess the quality of approxin~ate theories for correlated electron systems.

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Page Count

338

Publisher

Springer

Published Date

ISBN 10

3540148582

ISBN 13

9783540148586

Germany

Geographies of Complexity

By: Olaf Kühne,Florian Weber

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Germany

Geographies of Complexity

By: Olaf Kühne,Florian Weber

This book addresses the highly differentiated spatial, social, cultural and demographic structure(s) of Germany, with a particular focus on the reciprocal relations between different levels of spatial development. The historical development of Germany serves as a background in order to provide context for the development of spatially relevant ideas and ideals (whether in relation to politics, landscape, or culture). In this regard, questions of divergence and convergence become highly salient. The book makes the complexity of spatial and social developments in Germany comprehensible. The neopragmatic approach adopted here allows bringing together different theoretical strands while providing a basis for independent regional geographic research at the same time. Beginning with an overview of the physical structures of Germany which provides the material point of departure for the societal development of Germany, key aspects of the German history are discussed. Particular attention is paid to the reciprocal influence between material substrate and notions of landscape. Here, specific ‘German’ trajectories of aesthetic and normative conceptions of landscape become clear. A common theme throughout the book are questions of divergence and of efforts towards convergence, which become evident when considering past and present economic, political, and demographic developments. Efforts to tackle current challenges, such as adapting to climate change and mitigating it, or securing raw materials, also become apparent. The complexity of spatial processes in Germany is illustrated in case study regions dealing with the challenges of structural change in traditional industrial regions (such as the Ruhr area), or e.g. efforts of Berlin to position and find itself as the capital of a unified Germany. Overall, the book shows how theory-driven regional geographic research can make spatiotemporal complexities tangible and comprehensible.

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Page Count

304

Publisher

Springer Nature

Published Date

ISBN 10

3030929531

ISBN 13

9783030929534

Ritterliche Taten der Gewalt

Formen und Funktionen physischer Gewalt im Selbstverständnis des deutschen Rittertums im ausgehenden Mittelalter

By: Florian Tobias Dörschel

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Ritterliche Taten der Gewalt

Formen und Funktionen physischer Gewalt im Selbstverständnis des deutschen Rittertums im ausgehenden Mittelalter

By: Florian Tobias Dörschel

Florian Dörschel deals with the martial side of German chivalry towards the end of the Middle Ages. Knightly violence was at the center of social, military and political life as an instrument of power, representation and communication. Florian Dörschel befasst sich mit der kriegerischen Seite des deutschen Rittertums im ausgehenden Mittelalter. Diese ritterliche Gewalt stand als Machtinstrument, Repräsentations- und Kommunikationsmittel im Mittelpunkt des sozialen, militärischen und politischen Lebens.

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Page Count

397

Publisher

BRILL

Published Date

ISBN 10

900452701X

ISBN 13

9789004527010

The New Tenement

Residences in the Inner City Since 1970

By: Florian Urban

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The New Tenement

Residences in the Inner City Since 1970

By: Florian Urban

This book examines "new tenements"—dense, medium-rise, multi-storey residences that have been the backbone of European inner-city regeneration since the 1970s and came with a new positive view on urban living. Focusing principally on Berlin, Copenhagen, Glasgow, Rotterdam, and Vienna, it relates architectural design to an evolving intellectual framework that mixed anti-modernist criticism with nostalgic images and strategic goals, and absorbed ideas about the city as a generator of creativity, locale of democratic debate, and object of personal identification.This book analyses new tenements in the context of the post-functionalist city and its mixed-use neighbourhoods, redeveloped industrial sites and regenerated waterfronts. It demonstrates that these buildings are both generators and outcome of an urban environment characterised by information exchange rather than industrial production, individual expression rather than mass culture, visible history rather than comprehensive renewal, and conspicuous difference rather than egalitarianism. It also shows that new tenements evolved under a welfare state that all over Europe has come under pressure, but still to a certain degree balances and controls heterogeneity and economic disparities.

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Page Count

481

Publisher

Routledge

Published Date

ISBN 10

1315402440

ISBN 13

9781315402444

The Political System of Germany

By: Florian Grotz,Wolfgang Schroeder

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The Political System of Germany

By: Florian Grotz,Wolfgang Schroeder

This book offers a systematic, theory-based, and empirically grounded introduction to the political system of Germany. Compared to other textbooks on government and politics in Germany, it has two particular benefits. First, it analyzes the individual dimensions of the German political system from a uniform theoretical perspective based on the well-known distinction between majoritarian and consensus democracy. Second, it particularly explains how political decision-making in the multi-level system takes place, including the local, state, federal as well as EU levels. This way, the book provides a comprehensive, detailed, and clear picture of how German democracy is organized and how it works.

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588

Publisher

Springer Nature

Published Date

ISBN 10

3031324803

ISBN 13

9783031324802

Performance simulation of modular product architectures by model-based configuration

By: Florian M. Dambietz

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Performance simulation of modular product architectures by model-based configuration

By: Florian M. Dambietz

The use of modular product architectures can significantly increase the efficiency in manufacturing companies. Various modularization methods are used in the development of these architectures, but they always result in different architecture alternatives. This thesis describes the development of a model-based simulation for multi-dimensional performance assessment of these architecture alternatives with their corresponding modular kits. The central element of this simulation is formed by a model-based configuration system, identifying individually valid product variants using concepts and tools of Model-based-systems-engineering (MBSE). Based on the developed Hyperspace algorithm, a geometric-mathematical solution approach, these variants are then evaluated considering multiple parameters. By recursively configuring multiple customer requests using alternative modular kits, an individual performance criterion of these alternatives can be generated, including customer-, market- and company parameters. This thesis describes the development of the performance simulation on the basis of a simplified explanation example. A validation based on customer-specific laser welding systems is also shown.

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Page Count

189

Publisher

Springer Nature

Published Date

ISBN 10

3662642336

ISBN 13

9783662642337

The Mott Metal-Insulator Transition

Models and Methods

By: Florian Gebhard

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The Mott Metal-Insulator Transition

Models and Methods

By: Florian Gebhard

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Page Count

318

Publisher

Springer

Published Date

ISBN 10

3540614818

ISBN 13

9783540614814

Book's by Florian Gebhard

The Mott Metal-Insulator Transition

The Mott Metal-Insulator Transition

Germany

Germany

Ritterliche Taten der Gewalt

Ritterliche Taten der Gewalt

The New Tenement

The New Tenement

The Political System of Germany

The Political System of Germany

Performance simulation of modular product architectures by model-based configuration

Performance simulation of modular product architectures by model-based configuration

The Mott Metal-Insulator Transition

The Mott Metal-Insulator Transition

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