581 citations · 4.8k across the 83 of their papers we have counts for
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Temperature induced shift in the pinch-off voltage of mesoscopic devices
A. E. Hansen, A. Kristensen, H. Bruus
Detailed experimental studies of the conductance of mesoscopic GaAs devices in the few-mode regime reveal a novel thermal effect: for temperatures up to at least 10 K the measured…
Temperature dependent deviations from ideal quantization of plateau conductances in GaAs quantum point contacts
A. E. Hansen, A. Kristensen, H. Bruus
We present detailed experimental studies of the temperature dependence of the plateau conductance of GaAs quantum point contacts in the temperature range from 0.3 K to 10 K. Due to…
Bias dependent subband edges and the 0.7 conductance anomaly
Anders Kristensen, Henrik Bruus
The 0.7 2e^2/h conductance anomaly is studied in strongly confined, etched GaAs/GaAlAs quantum point contacts by measuring the differential conductance G as a function of source-dr…
The anomalous 0.5 and 0.7 conductance plateaus in quantum point contacts
Henrik Bruus, Vadim V. Cheianov, Karsten Flensberg
The anomalous 0.5 and 0.7 conductance plateaus in quantum point contacts in zero magnetic field are analyzed within a phenomenological model. The model utilizes the Landauer-Buttik…
A single-particle path integral for composite fermions and the renormalization of the effective mass
Kasper Astrup Eriksen, Per Hedegaard, Henrik Bruus
To study composite fermions around an even denominator fraction, we adapt the phase space single-particle path integral technique for interacting electrons in zero magnetic field d…
Bias and temperature dependence of the 0.7 conductance anomaly in Quantum Point Contacts
A. Kristensen, H. Bruus, A. E. Hansen +8
The 0.7 (2e^2/h) conductance anomaly is studied in strongly confined, etched GaAs/GaAlAs quantum point contacts, by measuring the differential conductance as a function of source-d…
From mesoscopic magnetism to the anomalous 0.7 conductance plateau
Henrik Bruus, Vadim V. Cheianov, Karsten Flensberg
We present a simple phenomenological model which offers a unifying interpretation of the experimental observations on the 0.7 conductance anomaly of quantum point contacts. The mod…
Activated Behavior of the 0.7 2(e^2)/h Conductance Anomaly in Quantum Point Contacts
A. Kristensen, H. Bruus, A. Forchel +5
The 0.7 conductance anomaly in the quantized conductance of trench etched GaAs quantum point contacts is studied experimentally. The temperature dependence of the anomaly measured…
Localized plasmons in point contacts
Henrik Bruus, Karsten Flensberg
Using a hydrodynamic model of the electron fluid in a point contact geometry we show that localized plasmons are likely to exist near the constriction. We attempt to relate these p…
Temperature dependence of the ``0.7'' 2(e^2)/h quasi plateau in strongly confined quantum point contacts
A. Kristensen, P. E. Lindelof, J. B. Jensen +8
We present new results of the ``0.7'' 2(e^2)/h structure or quasi plateau in some of the most strongly confined point contacts so far reported. This strong confinement is obtained…
Periodic magnetoconductance fluctuations in triangular quantum dots in the absence of selective probing
Peter Boggild, Anders Kristensen, Henrik Bruus +2
We have studied the magnetoconductance of quantum dots with triangular symmetry and areas down to 0.2 square microns, made in a high mobility two-dimensional electron gas embedded…