48 citations · 240 across the 16 of their papers we have counts for
8 papers · 1 filter
Quantum dynamics of semiconductor quantum dot Josephson junctions
Utkan Güngördü, Rusko Ruskov, Silas Hoffman +3
Josephson junctions constructed from superconductor-semiconductor-superconductor heterostructures have been used to realize a variety of voltage-tunable superconducting quantum dev…
Nonadiabatic quantum control of quantum dot arrays with fixed exchange using Cartan decomposition
David W. Kanaar, Utkan Güngördü, J. P. Kestner
In semiconductor spin qubits which typically interact through short-range exchange coupling, shuttling of spin is a practical way to generate quantum operations between distant qub…
Majorana bound states with chiral magnetic textures
Utkan Güngördü, Alexey A. Kovalev
The aim of this Tutorial is to give a pedagogical introduction into realizations of Majorana fermions, usually termed as Majorana bound states (MBS), in condensed matter systems wi…
Two-qubit CZ gates robust against charge noise in silicon while compensating for crosstalk using neural network
David W. Kanaar, Utkan Güngördü, J. P. Kestner
The fidelity of two-qubit gates using silicon spin qubits is limited by charge noise. When attempting to dynamically compensate for charge noise using local echo pulses, crosstalk…
Magnetic skyrmion bubble motion driven by surface acoustic waves
Rabindra Nepal, Utkan Güngördü, Alexey A. Kovalev
We study the dynamical control of a magnetic skyrmion bubble by using counter-propagating surface acoustic waves (SAWs) in a ferromagnet. First, we determine the bubble mass and de…
Stabilization and control of Majorana bound states with elongated skyrmions
Utkan Güngördü, Shane Sandhoefner, Alexey A. Kovalev
We show that elongated magnetic skyrmions can host Majorana bound states in a proximity-coupled two-dimensional electron gas sandwiched between a chiral magnet and an -wave supe…
Theory of magnon motive force in chiral ferromagnets
Utkan Güngördü, Alexey A. Kovalev
We predict that magnon motive force can lead to temperature dependent, nonlinear chiral damping in both conducting and insulating ferromagnets. We estimate that this damping can si…
Magnetization pumping and dynamics in a Dzyaloshinskii-Moriya magnet
Alexey A. Kovalev, Utkan Güngördü
We formulate a phenomenological description of thin ferromagnetic layers with inversion asymmetry where the single-domain magnetic dynamics experiences magnon current-induced torqu…