Electronic and Magnetic Excitations in Correlated and Topological Materials
Seiten
2018
Springer International Publishing (Verlag)
978-3-319-89937-4 (ISBN)
Springer International Publishing (Verlag)
978-3-319-89937-4 (ISBN)
This thesis reports a major breakthrough in discovering the superconducting mechanism in CeCoIn5, the "hydrogen atom" among heavy fermion compounds. By developing a novel theoretical formalism, the study described herein succeeded in extracting the crucial missing element of superconducting pairing interaction from scanning tunneling spectroscopy experiments. This breakthrough provides a theoretical explanation for a series of puzzling experimental observations, demonstrating that strong magnetic interactions provide the quantum glue for unconventional superconductivity. Additional insight into the complex properties of strongly correlated and topological materials was provided by investigating their non-equilibrium charge and spin transport properties. The findings demonstrate that the interplay of magnetism and disorder with strong correlations or topology leads to complex and novel behavior that can be exploited to create the next generation of spin electronics and quantum computing devices.
John Van Dyke is a postdoctoral researcher at the University of Iowa. He obtained his PhD from the University of Illinois, Chicago.
Introduction.- Superconducting Gap in CeCoIn 5 .- Pairing Mechanism in CeCoIn 5 .- Real and Momentum Space Probes in CeCoIn 5 : Defect States in Differential Conductance and Neutron Scattering Spin Resonance.- Transport in Nanoscale Kondo Lattices.- Charge and Spin Currents in Nanoscale Topological Insulators.- Conclusions.- Appendix: Keldysh Formalism for Transport.
| Erscheinungsdatum | 09.06.2018 |
|---|---|
| Reihe/Serie | Springer Theses |
| Zusatzinfo | XII, 102 p. 72 illus., 69 illus. in color. |
| Verlagsort | Cham |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Gewicht | 344 g |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie |
| Technik ► Elektrotechnik / Energietechnik | |
| Technik ► Maschinenbau | |
| Schlagworte | heavy fermion compounds • heavy fermion superconductivity • nanoscale Kondo lattices • nanoscale topological insulator • quasiparticle interference spectroscopy • Spin transport • strongly correlated materials • Unconventional superconductivity |
| ISBN-10 | 3-319-89937-6 / 3319899376 |
| ISBN-13 | 978-3-319-89937-4 / 9783319899374 |
| Zustand | Neuware |
| Informationen gemäß Produktsicherheitsverordnung (GPSR) | |
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