Robust poor man's Majorana zero modes using Yu-Shiba-Rusinov states

F Zatelli, D van Driel, D Xu, G Wang, CX Liu… - Nature …, 2024 - nature.com
Kitaev chains in quantum dot-superconductor arrays are a promising platform for the
realization of topological superconductivity. As recently demonstrated, even a two-site chain …

Universal control of four singlet–triplet qubits

X Zhang, E Morozova, M Rimbach-Russ… - Nature …, 2024 - nature.com
The coherent control of interacting spins in semiconductor quantum dots is of strong interest
for quantum information processing and for studying quantum magnetism from the bottom …

Impact of interface traps on charge noise and low-density transport properties in Ge/SiGe heterostructures

L Massai, B Hetényi, M Mergenthaler… - Communications …, 2024 - nature.com
Abstract Hole spins in Ge/SiGe heterostructures have emerged as an interesting qubit
platform with favourable properties such as fast electrical control and noise-resilient …

Impact of interface traps on charge noise, mobility and percolation density in Ge/SiGe heterostructures

L Massai, B Hetényi, M Mergenthaler… - arXiv preprint arXiv …, 2023 - arxiv.org
Hole spins in Ge/SiGe heterostructure quantum dots have emerged as promising qubits for
quantum computation. The strong spin-orbit coupling (SOC), characteristic of heavy-hole …

MAViS: Modular Autonomous Virtualization System for Two-Dimensional Semiconductor Quantum Dot Arrays

AS Rao, D Buterakos, B van Straaten, V John… - arXiv preprint arXiv …, 2024 - arxiv.org
Arrays of gate-defined semiconductor quantum dots are among the leading candidates for
building scalable quantum processors. High-fidelity initialization, control, and readout of spin …

Quantum geometric protocols for fast high-fidelity adiabatic state transfer

CV Meinersen, S Bosco, M Rimbach-Russ - arXiv preprint arXiv …, 2024 - arxiv.org
Efficient control schemes that enable fast, high-fidelity operations are essential for any
practical quantum computation. However, current optimization protocols are intractable due …

Electronic ladder model harboring parafermions

B Osváth, G Barcza, Ö Legeza, B Dóra, L Oroszlány - Physical Review B, 2024 - APS
Parafermions are anyons with the potential for realizing nonlocal qubits that are resilient to
local perturbations. Compared with Majorana zero modes, braiding of parafermions …

Simulating electron-vibron energy transfer with quantum dots and resonators

C Hermansen, M Caltapanides, V Meden, J Paaske - Physical Review B, 2024 - APS
Gateable semiconductor quantum dots (QDs) provide a versatile platform for analog
quantum simulations of electronic many-body systems. In particular, QD arrays offer a …

Flux-tunable hybridization in a double quantum dot interferometer

C Prosko, I Kulesh, M Chan, L Han, D Xiao, C Thomas… - SciPost Physics, 2024 - scipost.org
Quantum interference of electron tunneling occurs in any system where multiple tunneling
paths connect states. This unavoidably arises in two-dimensional semiconducting qubit …

Near-Term Spin-Qubit Architecture Design via Multipartite Maximally-Entangled States

N Paraskevopoulos, M Steinberg, B Undseth… - arXiv preprint arXiv …, 2024 - arxiv.org
The design and benchmarking of quantum computer architectures traditionally rely on
practical hardware restrictions, such as gate fidelities, control, and cooling. At the theoretical …