Abstract
The interaction between an electron with a three-dimensional domain wall was investigated using the Born’s expansion of the S scattering matrix. We obtain an influence of the scattering of the electron with the ferromagnetic domain wall in the spin wave function of the electron with the aim to generate the knowledge about the state of the electron spin after the scattering. It relates to the recent problem of generation of the spin polarized electric current. We also obtain the contribution of the electron-wall domain interaction on the electric conductivity , through the wall domain, where we have obtained a peak of resonance in the conductivity for one value of .
Highlights
The study of the quantum matter is an important topic of research in modern physics [1]
We obtain an influence of the scattering of the electron with the ferromagnetic domain wall in the spin wave function of the electron with the aim to generate the knowledge about the state of the electron spin after the scattering
We obtain the contribution of the electron-wall domain interaction on the electric conductivity σ (ω ), through the wall domain, where we have obtained a peak of resonance in the conductivity for one value of ω 2.5J
Summary
The study of the quantum matter is an important topic of research in modern physics [1]. The description of particles interacting at low temperature is crucial in the determining and distinguishing of characteristics being an important problem in condensed matter physics One of these problems is the study of the s − d-electron-scattering with the ferromagnetic domain wall [2], where an electric current density crosses a ferromagnetic metallic film. The importance to study the influence of scattering electron-domain wall is due the connection with phenomena depending on the spin such as the Giant Magneto-Resistance (GMR). The Quantum information technology promises one faster and more secure means of data manipulation that makes use of the quantum properties of the matter [16]-[18] This demands the control of the spin of the electron and the needless of filtration of the electric current.
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