Magnetism and Transport Phenomena in Spin-Charge Coupled Systems on Frustrated Lattices
Seiten
2015
|
1st ed. 2015
Springer Verlag, Japan
978-4-431-55662-6 (ISBN)
Springer Verlag, Japan
978-4-431-55662-6 (ISBN)
In this thesis, magnetism and transport phenomena in spin-charge coupled systems on frustrated lattices are theoretically investigated, focusing on Ising-spin Kondo lattice models and using a combination of Monte Carlo simulation and other techniques such as variational calculations and perturbation theory. The emphasis of the study is on how the cooperation of spin-charge coupling and geometrical frustration affects the thermodynamic properties of the Kondo lattice models; it presents the emergence of various novel magnetic states, such as the partial disorder, loop-liquid, and spin-cluster states. The thesis also reveals that the magnetic and electronic states and transport properties of these models demonstrate peculiar features, such as Dirac half-metals, anomalous Hall insulators, and spin Hall effects. Study of novel magnetic states and exotic transport phenomena in Kondo lattice systems is a field experiencing rapid progress. The interplay of charge and spin degrees of freedom potentially gives rise to various novel phases and transport phenomena which are related to strongly correlated electrons, frustrated magnetism, and topological states of matter.
The results presented in this thesis include numerical calculations that are free from approximations. Accordingly, they provide reliable reference values, both for studying magnetism and transports of related models and for experimentally exploring novel states of matter in metallic magnets.
The results presented in this thesis include numerical calculations that are free from approximations. Accordingly, they provide reliable reference values, both for studying magnetism and transports of related models and for experimentally exploring novel states of matter in metallic magnets.
Dr.Hiroaki Ishizuka Department of Applied Physics The University of Tokyo 7-3-1 Hongo, Bunkyo, Tokyo, Japan ishizuka@kitp.ucsb.edu
Introduction.- Models and Methods.- Partial Disorder on a Triangular Lattice.- Dirac Half-Metal on a Triangular Lattice.- Thermally-Induced Phases on a Kagome Lattice.- Anomalous Hall Insulator in Kagome Ice.- Spin-charge Coupled Phases on a Pyrochlore Lattice.- Spin-Cluster State in a Pyrochlore Lattice.- Summary.- Benchmark of the Polynomial Expansion Monte Carlo Method.
| Reihe/Serie | Springer Theses |
|---|---|
| Zusatzinfo | 67 Illustrations, color; 5 Illustrations, black and white; XIV, 133 p. 72 illus., 67 illus. in color. |
| Verlagsort | Tokyo |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Themenwelt | Naturwissenschaften ► Chemie ► Analytische Chemie |
| Naturwissenschaften ► Physik / Astronomie ► Elektrodynamik | |
| Naturwissenschaften ► Physik / Astronomie ► Festkörperphysik | |
| Naturwissenschaften ► Physik / Astronomie ► Quantenphysik | |
| Technik ► Elektrotechnik / Energietechnik | |
| Technik ► Maschinenbau | |
| Schlagworte | Anomalous Hall Effects • Charge Frustration • Charge Ordering • Geometrical Frustration in Spin-charge Coupled Systems • Ising Spin Systems • Kondo Lattice Models • Monte Carlo Simulation for Correlated Electron Systems • Novel Phase Transitions • Thermally-fluctuating Intermediate States |
| ISBN-10 | 4-431-55662-1 / 4431556621 |
| ISBN-13 | 978-4-431-55662-6 / 9784431556626 |
| Zustand | Neuware |
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