Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 108-111 |
| Seitenumfang | 4 |
| Fachzeitschrift | Physica E: Low-Dimensional Systems and Nanostructures |
| Jahrgang | 34 |
| Ausgabenummer | 1-2 |
| Publikationsstatus | Veröffentlicht - 1 Aug. 2006 |
Abstract
The activation energy Δ of the fractional quantum Hall state at constant filling factor ν = frac(1, 3) and also at ν = frac(2, 5) and frac(2, 3) has been measured as a function of the perpendicular magnetic field B while modulating the electron density via a top gate. At small magnetic fields we observe a linear increase of Δ with the magnetic field. The slope of Δ vs. B allows us to directly extract the composite fermion g-factor.
ASJC Scopus Sachgebiete
- Werkstoffwissenschaften (insg.)
- Elektronische, optische und magnetische Materialien
- Physik und Astronomie (insg.)
- Atom- und Molekularphysik sowie Optik
- Physik und Astronomie (insg.)
- Physik der kondensierten Materie
Zitieren
- Standard
- Harvard
- Apa
- Vancouver
- BibTex
- RIS
in: Physica E: Low-Dimensional Systems and Nanostructures, Jahrgang 34, Nr. 1-2, 01.08.2006, S. 108-111.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Influence of spin on the activation energies at ν = 1 / 3
AU - Dethlefsen, A. F.
AU - Mariani, E.
AU - Wegscheider, W.
AU - Haug, R. J.
PY - 2006/8/1
Y1 - 2006/8/1
N2 - The activation energy Δ of the fractional quantum Hall state at constant filling factor ν = frac(1, 3) and also at ν = frac(2, 5) and frac(2, 3) has been measured as a function of the perpendicular magnetic field B while modulating the electron density via a top gate. At small magnetic fields we observe a linear increase of Δ with the magnetic field. The slope of Δ vs. B allows us to directly extract the composite fermion g-factor.
AB - The activation energy Δ of the fractional quantum Hall state at constant filling factor ν = frac(1, 3) and also at ν = frac(2, 5) and frac(2, 3) has been measured as a function of the perpendicular magnetic field B while modulating the electron density via a top gate. At small magnetic fields we observe a linear increase of Δ with the magnetic field. The slope of Δ vs. B allows us to directly extract the composite fermion g-factor.
KW - 2D electron gas
KW - Activation energy
KW - Fractional quantum Hall effect
KW - Magneto-transport
UR - http://www.scopus.com/inward/record.url?scp=33746447788&partnerID=8YFLogxK
U2 - 10.1016/j.physe.2006.02.032
DO - 10.1016/j.physe.2006.02.032
M3 - Article
AN - SCOPUS:33746447788
VL - 34
SP - 108
EP - 111
JO - Physica E: Low-Dimensional Systems and Nanostructures
JF - Physica E: Low-Dimensional Systems and Nanostructures
SN - 1386-9477
IS - 1-2
ER -