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Half-metal phases in a quantum wire with modulated spin-orbit interaction
- Source :
- CONICET Digital (CONICET), Consejo Nacional de Investigaciones Científicas y Técnicas, instacron:CONICET, SEDICI (UNLP), Universidad Nacional de La Plata, instacron:UNLP, Repositório Institucional da UFRN, Universidade Federal do Rio Grande do Norte (UFRN), instacron:UFRN
- Publication Year :
- 2017
- Publisher :
- American Physical Society, 2017.
-
Abstract
- We propose a spin filter device based on the interplay of a modulated spin-orbit interaction and a uniform external magnetic field acting on a quantum wire. Half-metal phases, where electrons with only a selected spin polarization exhibit ballistic conductance, can be tuned by varying the magnetic field. These half-metal phases are proven to be robust against electron-electron repulsive interactions. Our results arise from a combination of explicit band diagonalization, bosonization techniques, and extensive density matrix renormalization group computations.<br />Instituto de Física La Plata
- Subjects :
- Bosonization
Field (physics)
Ciencias Físicas
FOS: Physical sciences
Spin-orbit
Modulated spin-orbit
02 engineering and technology
Electron
01 natural sciences
purl.org/becyt/ford/1 [https]
Condensed Matter - Strongly Correlated Electrons
Hubbard
Half-metal
0103 physical sciences
Quantum wire
010306 general physics
Physics
Strongly Correlated Electrons (cond-mat.str-el)
Spin polarization
Condensed matter physics
Density matrix renormalization group
Física
Spin–orbit interaction
purl.org/becyt/ford/1.3 [https]
021001 nanoscience & nanotechnology
Magnetic field
Astronomía
Spin filter device
Half-metal phases
Condensed Matter::Strongly Correlated Electrons
0210 nano-technology
CIENCIAS NATURALES Y EXACTAS
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- CONICET Digital (CONICET), Consejo Nacional de Investigaciones Científicas y Técnicas, instacron:CONICET, SEDICI (UNLP), Universidad Nacional de La Plata, instacron:UNLP, Repositório Institucional da UFRN, Universidade Federal do Rio Grande do Norte (UFRN), instacron:UFRN
- Accession number :
- edsair.doi.dedup.....b265e0441b8a0455cf8f92e4cff60ca8