Del i serien NATO Science Series E:

Quantum Tunneling of Magnetization — QTM ’94

Inbunden, Engelska, 1995

AvNATO Advanced Research Workshop on Quant,Leon Gunther,B. Barbara

4 289 kr

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The phenomenon of quantum tunnelling of magnetization (QTM) may be destined to play a significant role within the next two decades in limiting the density of information storage in magnetic systems. Recent advances, indeed, indicate that this limit may well be reached even earlier. One of the most controversial issues in the field is how to establish reliable criteria to determine whether experimental results do indeed reveal manifestations of QTM. Much progress on this issue is reported in this text. Whilst some articles are tutorial in nature, the book is primarily directed to those already working on QTM, no matter what their background.

Produktinformation

Utgivningsdatum1995-10-31
Mått155 x 235 x 34 mm
Vikt945 g
FormatInbunden
SpråkEngelska
SerieNATO Science Series E:
Antal sidor507
Upplaga1995
FörlagKluwer Academic Publishers
ISBN9780792337751

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Kvantfysik inom Naturvetenskap och teknik

I. General Introduction.- “Macroscopic Quantum Effects in Magnetic Systems: An Overview”.- II. Particles (Theory).- “Theory of Mesoscopic Quantum Tunneling in Magnetism: A WKB Approach”.- “Quantum Spin-Tunneling: A Path Integral Approach”.- “Quantum Tunneling in Small Particles”.- “Macroscopic Quantum Tunneling in Ferromagnets, Antiferromagnets”.- “Monte-Carlo Simulations on Reversal Magnetization of Small Clusters”.- III. QTM in Magnetic Relaxation (Experiment).- “Quantum Tunneling of Magnetization”.- “Relaxation and Mesoscopic Quantum Tunneling of Magnetization in Amorphous Rare-Earth Alloys”.- “Linear Response and Thermal Equilibrium Noise of Magnetic Materials at Low Temperature: Logarithmic Relaxation, l/F Noise, Activation and Tunneling”.- “AC Susceptibility Relaxation Studies on a Manganese Organic Cluster Compound: Mn12Ac”.- “Evidence for Quantum Tunneling of the Magnetization in Mn12Ac”.- “Acoustic and Magnetic Properties of Rare-Earth-Ion-Doped Glasses: Elastic and Magnetic Tunneling States”.- “DC-Squid Magnetization Measurements of Single Magnetic Particles”.- IV. Macroscopic Coherence of Magnetization (Experiment).- “Macroscopic Quantum Tunneling of Magnetization in Natural and Artificially Engineered Ferritin”.- V. Quantum Tunneling of Domain Walls (Experiment).- “Domain Wall Tunneling in a One Dimensional Ferromagnet”.- VI. Dissipation in QTM (Theory).- “Nuclear Spin Dissipation in Magnetic Macroscopic Quantum Phenomena”.- “Macroscopic Quantum Tunneling and Dissipation of Domain Wall in Ferromagnetic Metals”.- “The Collective Coordinate Method and Bloch Wall Motion ”.- VII. Spin Parity Effects in QTM (Theory).- “Spin Parity Effects and Macroscopic Quantum Coherence of BlochWalls”.- “Spin Environments and the Suppression of Quantum Coherence”.- “Unconventional Environments”.- VIII. QTM & Electron-Electron Interactions (Theory).- “Particle Tunneling and ‘Magnetization Tunneling’ in the Presence of Electron-Electron Interaction”.- IX. Comments on Theory and Experiment.- “On the Search for Quantum Tunneling of Magnetization”.- X. Macroscopic Quantum Tunneling in Superconductors (Experiment).- “Quantum Tunneling of Vortices in High-Tc Superconductors: Magnetic Relaxation Experiments in T1BaCACuO Compounds”.- “Crossover From Thermal to Quantum Regime in Vortex Motion in Conventional Type II Superconductors: Slow Magnetic Relaxation and Abrupt Flux Jumps”.- “Flux Motion by Quantum Tunneling”.- “Macroscopic Quantum Tunneling in Long Josephson Junctions”.- XI. Quantum Computers (Theory).- “Quantum Computing and Spin Physics”.- XII. Scientific Summary of Workshop.

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