Protected qubits, Floquet engineering and crosstalk suppression with superconducting circuits
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Electron and hole systems confined in two dimensions (2D) exhibit a plethora of exotic quantum phases under perpendicular magnetic fields at sufficiently low temperatures (milli-Kelvin range). The work presented here explores two of these quantum phases in state-of-the-art high-quality GaAs and InAs quantum wells.
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Quantum computers have potential to speed up information processing through the use of quantum algorithms and to enable better understanding of quantum systems through quantum simulation. The work in this thesis addresses experimental challenges in realizing quantum computers based on electron spins bound to donors in silicon or floating on the surface of superfluid helium, both among the most promising platforms for building scalable quantum computers.
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Batteries represent a dominant technology in energy storage. Due to their widespread deployment in applications ranging from commercial electronics and electric vehicles to grid scale energy storage, these devices continue to be a major focus of research interest; as applications continue developing, batteries are subjected to increasing demands related to energy density and power density.
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