Spin glasses [electronic resource] : criticality and energy landscapes / Marco Baity Jesi.
Baity Jesi, Marco.
2016
QC176.8.S68
Available Online

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Title Spin glasses [electronic resource] : criticality and energy landscapes / Marco Baity Jesi.
Author Baity Jesi, Marco.
ISBN 9783319412313 (electronic book)
3319412310 (electronic book)
9783319412306
DOI https://doi.org/10.1007/978-3-319-41231-3
Imprint Cham : Springer, 2016.
Language English
Description 1 online resource (239 pages)
Other Standard Identifiers 10.1007/978-3-319-41231-3 doi
Call Number QC176.8.S68
Dewey Decimal Classification 530.4/12
530
Summary This thesis addresses the surprising features of zero-temperature statics and dynamics of several spin glass models, including correlations between soft spins that arise spontaneously during avalanches, and the discovery of localized states that involve the presence of two-level systems. It also presents the only detailed historiographical research on the spin glass theory. Despite the extreme simplicity of their definition, spin glasses display a wide variety of non-trivial behaviors that are not yet fully understood. In this thesis the author sheds light on some of these, focusing on both the search for phase transitions under perturbations of Hamiltonians and the zero-temperature properties and responses to external stimuli. After introducing spin glasses and useful concepts on phase transitions and numerics, the results of two massive Monte Carlo campaigns on three-dimensional systems are presented: The first of these examines the de Almeida-Thouless transition, and proposes a new finite-size scaling ansatz, which accelerates the convergence to the thermodynamic limit. The second reconstructs the phase diagram of the Heisenberg spin glass with random exchange anisotropy. .
Note "Doctoral thesis accepted by the Complutense University of Madrid, Spain, and Sapienza University of Rome, Italy."
Access Note Access limited to authorized users.
Source of Description Description based on print version record.
Series Springer theses.
Available in Other Form Spin Glasses : Criticality and Energy Landscapes
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Introduction
The Ising Spin Glass in a Feld
Heisenberg Spin Glass with Random Exchange Anisotropy
Energy Landscape of m-component Spin Glasses
Zero-temperature Dynamics
Soft Modes and Localization in Spin Glasses
Conclusions. .

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