Andreas Prohl's Books

Computational Micromagnetism

By: Andreas Prohl

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The objective of this monograph is a numerical analysis of the well-accepted models of Landau, Lifshitz and Gilbert for (electrically conducting) ferromagnets. Part I discusses convergence behavior of different finite element schemes for solving the stationary problem. Part II deals with numerical analyses of different penalization / projection strategies in nonstationary micromagnetism; it closes with a chapter on nematic liquid crystals to show applicability of these new methods to further applications.

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314

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Springer Science & Business Media

Published Date

ISBN 10

3663094987

ISBN 13

9783663094982

Stochastic Ferromagnetism

Analysis and Numerics

By: Lubomir Banas,Zdzislaw Brzezniak,Mikhail Neklyudov,Andreas Prohl

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Stochastic Ferromagnetism

Analysis and Numerics

By: Lubomir Banas,Zdzislaw Brzezniak,Mikhail Neklyudov,Andreas Prohl

This monograph examines magnetization dynamics at elevated temperatures which can be described by the stochastic Landau-Lifshitz-Gilbert equation (SLLG). The first part of the book studies the role of noise in finite ensembles of nanomagnetic particles: we show geometric ergodicity of a unique invariant measure of Gibbs type and study related properties of approximations of the SLLG, including time discretization and Ginzburg-Landau type penalization. In the second part we propose an implementable space-time discretization using random walks to construct a weak martingale solution of the corresponding stochastic partial differential equation which describes the magnetization process of infinite spin ensembles. The last part of the book is concerned with a macroscopic deterministic equation which describes temperature effects on macro-spins, i.e. expectations of the solutions to the SLLG. Furthermore, comparative computational studies with the stochastic model are included. We use constructive tools such as e.g. finite element methods to derive the theoretical results, which are then used for computational studies. The numerical experiments motivate an interesting interplay between inherent geometric and stochastic effects of the SLLG which still lack a rigorous analytical understanding: the role of space-time white noise, possible finite time blow-up behavior of solutions, long-time asymptotics, and effective dynamics.

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248

Publisher

Walter de Gruyter

Published Date

ISBN 10

3110307103

ISBN 13

9783110307108

Bats of Britain and Europe

By: Christian Dietz,Andreas Kiefer

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Bats of Britain and Europe

By: Christian Dietz,Andreas Kiefer

The definitive guide to the bats of Britain and Europe. This concise and definitive guide presents all 45 bat species that regularly occur in Europe (of which 17 are known to breed in the British Isles). The extensive introduction details the remarkable biology of bats and explores the latest findings in bat evolution, behaviour and echolocation. This is followed by in-depth species accounts covering life history, conservation status and identification of families and genera, including echolocation characteristics, and complemented by accurate distribution maps, with the book illustrated throughout with almost 700 superb colour photographs. Suitable for beginners, students, professionals or conservationists alike, Bats of Britain and Europe is the authoritative field guide for bat watchers – an essential reference for every bat enthusiast.

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404

Publisher

Bloomsbury Publishing

Published Date

ISBN 10

1472935764

ISBN 13

9781472935762

Computational Micromagnetism

By: Andreas Prohl

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Computational Micromagnetism

By: Andreas Prohl

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314

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Springer Science & Business Media

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ISBN 10

3663094987

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9783663094982

Erdglas

Natur und andere städtische Täuschungen

By: Tue Greenfort,T. J.. Demos,Heinz Stahlhut

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Erdglas

Natur und andere städtische Täuschungen

By: Tue Greenfort,T. J.. Demos,Heinz Stahlhut

In his site-specific installations, ecological artist Tue Greenfort, winner of the 2012 GASAG Art Prize, addresses the special features of his exhibition locations, in this case the Berlinische Galerie.In the former premises of a glass warehouse, the participant in dOCUMENTA 13 spins a network of relationships out of glass, with its manifold properties, and gas, an invisible, volatile substance.Instead of an exhibition catalogue an interactive artist's book becomes part of the exhibition and the artistic process. Created as an experiment in book form, it can be structured by the reader himself or herself as they wish, supplemented with photographs or re-arranged.English and German text.

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ISBN 10

3866787685

ISBN 13

9783866787681

Book's by Andreas Prohl

Computational Micromagnetism

Computational Micromagnetism

Stochastic Ferromagnetism

Stochastic Ferromagnetism

Bats of Britain and Europe

Bats of Britain and Europe

Computational Micromagnetism

Computational Micromagnetism

Erdglas

Erdglas

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