Electron Raman scattering in quantum wires: Dresselhaus and Rashba inversion asymmetries

• Grant number: 09/14671-9
• Support Opportunities: Research Grants - Visiting Researcher Grant - International
• Start date: December 05, 2009
• End date: December 19, 2009
• Field of knowledge: Physical Sciences and Mathematics - Physics - Condensed Matter Physics
• Principal Investigator: Gilmar Eugenio Marques
• Grantee: Gilmar Eugenio Marques
• Visiting researcher: Carlos Trallero-Giner
• Visiting researcher institution: Universidad de La Habana (UH), Cuba
• Host Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
• Associated research grant: 06/05765-1 - Spin effects in the electronic, optical and transport properties of extended and confined carrier systems, AP.TEM

Abstract

Study the asymmetric dependence of the spin-flip electronic Raman spectrum from quantum wires electron gas. We will explore the selection rules and the contribution of Dresselhaus and Rashba inversion asymmetries to the scattering efficiency. In particular we would like to study the influence of bulk k-cubic conduction-band spin splitting in zincblende quantum wire semiconductors. The influence of spin-orbit components might be determined for the particular geometrical confinement of the quantum wire shaped region. (AU)