A paradigm called magnetism [electronic resource] / Sushanta Dattagupta.
- Hackensack, NJ ; Singapore : World Scientific, c2008.
1 online resource (204 p.)
- Electronic books.
- This book provides an overview of how diverse issues of Magnetism have implications for other areas of physics. Attention will be drawn to different aspects of many-body physics, which first appeared in Magnetism but have had deep impact in different branches of physics. Each of these aspects will be illustrated schematically and in terms of physical examples, chosen from multicritical phenomena, quantum phase transition, spin glasses, relaxation, phase ordering and quantum dissipation. A unique feature of this book is a unified and coherent discussion of magnetic phenomena, presented in a luc
- Acknowledgments; Preface; Contents; 1. An Assortment of Well-Established Concepts; 1.1 Symmetry-Breaking; 1.2 Critical Phenomena and Scaling; 1.3 Multicriticality; 1.4 Multicriticality in an Open System of Two-Mode Lasers; 2. Quantum Phase Transition: Transverse Ising Model and Other Systems; 2.1 Introductory Remarks; 2.2 The Mean Field Theory of TIM; 2.3 The Quantum Magnet LiHoF4; 2.4 Quantum Statistical Mechanics; 3. Glass Transitions; 3.1 Preamble - Magnetic Glass, Quantum Glass, Spin Glass, Proton Glass and Structural Glass; 3.2 Magnetic Glass: Li Hox Y1-xF4
3.3 Quantum Glass: Li Hox Y1-xF4 in a Transverse Field3.4 Spin Glasses; 3.5 Proton Glasses; 3.6 Structural Glasses; 4. Relaxation Effects; 4.1 Introductory Remarks; 4.2 Single Spin Kinetics in Equilibrium; 4.3 Non-Equilibrium Response of a Single Spin; 4.4 Effects of Interaction on Relaxation; 5. Memory in Nanomagnets; 5.1 Introduction to the Physics of Single Domain Nanomagnetic Particles; 5.2 Rotational Brownian Motion, the Kramers Problems and Susceptibility; 5.3 Experiments: Stern-Gerlach and Mössbauer Spectroscopy; Magnetic Clusters in a Stern-Gerlach Setup
Mössbauer Relaxation of NiFe2O4 in SiO2 MatrixRelaxation Theory Within a Two State Model; Interpretation of the Mössbauer Spectra; 5.4. Analysis of Results; 6. Dissipative Quantum Systems; 6.1 Introduction; 6.2 Nonequilibrium Statistical Mechanics; 6.3 Spin-Boson Hamiltonian; 6.4 Dissipative Diamagnetism; 6.5 Spin Tunneling and Coherence-Decoherence Phenomenon; References; Index
- Description based upon print version of record.
Includes bibliographical references (p. 179-188) and index.
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