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Virtual-photon-mediated spin-qubit–transmon coupling
Spin qubits and superconducting qubits are among the promising candidates for realizing a solid state quantum computer. For the implementation of a hybrid architecture which can profit from theExpand
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Coherent microwave-photon-mediated coupling between a semiconductor and a superconducting qubit
Semiconductor qubits rely on the control of charge and spin degrees of freedom of electrons or holes confined in quantum dots. They constitute a promising approach to quantum information processing,Expand
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Auger-spectroscopy in quantum Hall edge channels and the missing energy problem
Quantum Hall edge channels offer an efficient and controllable platform to study quantum transport in one dimension. Such channels are a prospective tool for the efficient transfer of quantumExpand
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The electronic thickness of graphene
The electronic thickness of graphene is measured by two capacitively coupled, atomically close graphene layers. When two dimensional crystals are atomically close, their finite thickness becomesExpand
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Density-Wave States in Twisted Double-Bilayer Graphene
When twisted to angles near 1°, graphene multilayers provide a new window on electron correlation physics by hosting gate-tuneable strongly-correlated states, including insulators, superconductors,Expand
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Nonequilibrium transport in density-modulated phases of the second Landau level
We investigate non-equilibrium transport in the reentrant integer quantum Hall phases of the second Landau level. At high currents, we observe a transition from the reentrant integer quantum HallExpand
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Phonon spectral density in a GaAs/AlGaAs double quantum dot.
We study phonon emission in a GaAs/AlGaAs double quantum dot by monitoring the tunneling of a single electron between the two dots. We prepare the system such that a known amount of energy is emittedExpand
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Gate-defined quantum point contact in an InAs two-dimensional electron gas
We experimentally study quantized conductance in an electrostatically defined constriction in a high-mobility InAs two-dimensional electron gas. A parallel magnetic field lifts the spin degeneracyExpand
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Transport experiments in twisted (double) bilayer graphene