This course explores magnetism as an emergent phenomenon, covering topics such as spin-orbital superstructures, colossal magnetoresistance, phase control of correlated electrons, ferroelectricity, magnetic skyrmions, and magnetic topological insulators. The teaching method involves presenting various case studies and theoretical concepts. The course is intended for individuals interested in advanced topics in condensed matter physics and emergent phenomena.
Overview
Syllabus
Magnetism as the emergent phenomena
Spin-orbital superstructures
Case of Colossal Magnetoresistance (CMR)
Bicrticality enhances the response.
Phase Control of Correlated Electrons
Transverse spiral spin structure produces ferroelectricity
Polarization reversal upon magnetization reversel
Spin State variables to host magneto-electric coupling
Scalar Spin Chirality
Field reversal of spin chirality
What is magnetic skyrmion?
Helical spin order in B20-type crystals
Smal angle neutron scattering for Skyrmion Xtal
Real Space Observation of Skymion crystal
H-T Phase diagram
Skyrmion crystal and liquid, 2D and 3D form?
Magnetic Topological Insulator
Discovery of Quantum Anomalous Hall Effect
Emergent Electromagnetism
Taught by
APS Physics
