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Updated: Dec 31, 2025
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Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
Published on: June 28, 2018
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Spin-Polarized Electron Transmission in DNA-Like Systems
Miguel A Sierra1,2, David Sánchez1, Rafael Gutierrez3
1Institute for Cross-Disciplinary Physics and Complex Systems IFISC (UIB-CSIC), E-07122 Palma de Mallorca, Spain.
Biomolecules
|January 8, 2020
Summary
Chiral molecules can exhibit chirality-induced spin selectivity (CISS) due to helical electron density. This study analyzes molecular symmetries to enhance the CISS effect in helical systems.
Area of Science:
- Quantum chemistry
- Molecular physics
- Condensed matter physics
Background:
- Chirality-induced spin selectivity (CISS) is linked to helical electron density in molecules like DNA.
- Theoretical models involve helical potentials and Rashba-like spin-orbit coupling.
Purpose of the Study:
- To analyze the role of symmetries in the CISS effect.
- To explore methods for enhancing CISS in helical molecular systems.
Main Methods:
- Theoretical modeling of helical molecular systems.
- Analysis of system symmetries and their impact on spin-orbit coupling.
Main Results:
- Identified crucial symmetries governing the CISS effect.
- Demonstrated how exploiting these symmetries can enhance spin selectivity.
Conclusions:
- Symmetry analysis is key to understanding and enhancing CISS.
- This work provides a framework for designing molecules with improved spin-selective properties.
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