Molecular beam epitaxy of ultra-high-quality AlGaAs/GaAs heterostructures: Enabling physics in low-dimensional electronic systems
MJ Manfra - Annu. Rev. Condens. Matter Phys., 2014 - annualreviews.org
Among very-low-disorder systems of condensed matter, the high-mobility two-dimensional
electron gas (2DEG) confined in aluminum gallium arsenide (AlGaAs)–gallium arsenide …
electron gas (2DEG) confined in aluminum gallium arsenide (AlGaAs)–gallium arsenide …
The quantum Hall effect at 5/2 filling factor
RL Willett - Reports on Progress in Physics, 2013 - iopscience.iop.org
Experimental discovery of a quantized Hall state at 5/2 filling factor presented an enigmatic
finding in an established field of study that has remained an open issue for more than twenty …
finding in an established field of study that has remained an open issue for more than twenty …
Phase Diagram of the Fractional Quantum Hall Effect: Effects of Landau-Level Mixing and Nonzero Width
Interesting non-Abelian states, eg, the Moore-Read Pfaffian and the anti-Pfaffian, offer
candidate descriptions of the ν= 5/2 fractional quantum Hall state. But, the significant …
candidate descriptions of the ν= 5/2 fractional quantum Hall state. But, the significant …
Observation of a transition from a topologically ordered to a spontaneously broken symmetry phase
Until the late 1980s, phases of matter were understood in terms of Landau's symmetry-
breaking theory. Following the discovery of the quantum Hall effect, the introduction of a …
breaking theory. Following the discovery of the quantum Hall effect, the introduction of a …
Modified MBE hardware and techniques and role of gallium purity for attainment of two dimensional electron gas mobility> 35× 106 cm2/V s in AlGaAs/GaAs quantum …
We provide evidence that gallium purity is the primary impediment to attainment of ultra-high
mobility in a two-dimensional electron gas (2DEG) in AlGaAs/GaAs heterostructures grown …
mobility in a two-dimensional electron gas (2DEG) in AlGaAs/GaAs heterostructures grown …
Recent experimental progress of fractional quantum Hall effect: 5/2 filling state and graphene
X Lin, R Du, X **e - National Science Review, 2014 - academic.oup.com
The phenomenon of fractional quantum Hall effect (FQHE) was first experimentally observed
33 years ago. FQHE involves strong Coulomb interactions and correlations among the …
33 years ago. FQHE involves strong Coulomb interactions and correlations among the …
Mobility and quantum mobility of modern GaAs/AlGaAs heterostructures
In modern GaAs/Al x Ga 1− x As heterostructures with record high mobilities, a two-
dimensional electron gas (2DEG) in a quantum well is provided by two remote donor δ …
dimensional electron gas (2DEG) in a quantum well is provided by two remote donor δ …
Collective nature of the reentrant integer quantum Hall states in the second Landau level
We report an unexpected sharp peak in the temperature dependence of the
magnetoresistance of the reentrant integer quantum Hall states in the second Landau level …
magnetoresistance of the reentrant integer quantum Hall states in the second Landau level …
Fractional quantum Hall effect at Landau level filling
W Pan, KW Baldwin, KW West, LN Pfeiffer, DC Tsui - Physical Review B, 2015 - APS
We report low-temperature electronic transport results on the fractional quantum Hall effect
of composite fermions at Landau level filling ν= 4/11 in a very high mobility and low density …
of composite fermions at Landau level filling ν= 4/11 in a very high mobility and low density …
Abelian and non-Abelian states in bilayer fractional quantum Hall systems
There are several possible theoretically allowed non-Abelian fractional quantum Hall (FQH)
states that could potentially be realized in one-and two-component FQH systems at total …
states that could potentially be realized in one-and two-component FQH systems at total …