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Phonon-Mediated Decay of Singlet-Triplet Qubits in Double Quantum Dots
Viktoriia Kornich, Christoph Kloeffel, Daniel Loss
We study theoretically the phonon-induced relaxation () and decoherence times () of singlet-triplet qubits in lateral GaAs double quantum dots (DQDs). When the DQD is bia…
Circuit QED with Hole-Spin Qubits in Ge/Si Nanowire Quantum Dots
Christoph Kloeffel, Mircea Trif, Peter Stano +1
We propose a setup for universal and electrically controlled quantum information processing with hole spins in Ge/Si core/shell nanowire quantum dots (NW QDs). Single-qubit gates c…
Tunable g factor and phonon-mediated hole spin relaxation in Ge/Si nanowire quantum dots
Franziska Maier, Christoph Kloeffel, Daniel Loss
We theoretically consider g factor and spin lifetimes of holes in a longitudinal Ge/Si core/shell nanowire quantum dot that is exposed to external magnetic and electric fields. For…