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Data Needs and Challenges of Quantum Dot Devices Automation: Workshop Report
Gate-defined quantum dots are a promising candidate system to realize scalable, coupled qubit systems and serve as a fundamental building block for quantum computers.
Charge impurity effects in hybrid Majorana nanowires
We address an outstanding problem that represents a critical roadblock in the development of the Majorana-based topological qubit using semiconductor-superconductor hybrid structures: the quantitative characterization of disorder effects generated by the unintentional presence of charge impurities within the hybrid device.
Mesoscale and Nanoscale Physics
Disorder-induced zero-bias peaks in Majorana nanowires
Focusing specifically on the recently retracted Nature 2018 Zhang et al. work [Zhang et al., Nature (2021)] and the related recently available correctly analyzed data from this Delft experiment [Zhang et al., arXiv:2101. 11456 (2021)], we discuss the general problem of confirmation bias in experiments verifying various theoretical topological quantization predictions.
Quantization
Mesoscale and Nanoscale Physics
Interaction-Driven Filling-Induced Metal-Insulator Transitions in 2D Moiré Lattices
Using a realistic band structure for twisted WSe$_2 $ materials, we develop a theory for the interaction-driven correlated insulators to conducting metals transitions through the tuning of the filling factor around commensurate fractional fillings of the moir\'e unit cell in the 2D honeycomb lattice, focusing on the dominant half-filled Mott insulating state, which exists for both long- and short-range interactions.
Strongly Correlated Electrons
Electronic structure of full-shell InAs/Al hybrid semiconductor-superconductor nanowires: Spin-orbit coupling and topological phase space
We study the electronic structure of full-shell superconductor-semiconductor nanowires, which have recently been proposed for creating Majorana zero modes, using an eight-band $\vec{k} \cdot \vec{p}$ model within a fully self-consistent Schr\"{o}dinger-Poisson scheme.
Mesoscale and Nanoscale Physics
Non-Abelian Anyons and Topological Quantum Computation
To date, the only such topological states thought to have been found in nature are fractional quantum Hall states, most prominently the \nu=5/2 state, although several other prospective candidates have been proposed in systems as disparate as ultra-cold atoms in optical lattices and thin film superconductors.
Strongly Correlated Electrons Mesoscale and Nanoscale Physics
