Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/34163
Title: Topological Hall Effect in Magnetic Nanostructures
Authors: WU SHIGUANG GABRIEL
Keywords: Topological Hall Effect, Vortex, Permalloy disc, Adiabatic current conduction, Hall conductivity, Magnetic Random Access Memory.
Issue Date: 20-Jan-2012
Source: WU SHIGUANG GABRIEL (2012-01-20). Topological Hall Effect in Magnetic Nanostructures. ScholarBank@NUS Repository.
Abstract: We derived topological Hall effect for currents that pass adiabatically through magnetic materials that have continuous magnetizations directly from the Karplus Luttinger theory, and found an important implication that a Hall conductivity could deduce the polarity of a magnetic profile in the vortex state. This is a significant discovery as it may allow one to electrically detect binary information stored in the polarity of a magnetic vortex that is the natural ground state of a permalloy disc.
URI: http://scholarbank.nus.edu.sg/handle/10635/34163
Appears in Collections:Master's Theses (Open)

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