301 citations · 1.4k across the 30 of their papers we have counts for
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Cross-Platform Autonomous Control of Minimal Kitaev Chains
David van Driel, Rouven Koch, Vincent P. M. Sietses +21
Contemporary quantum devices are reaching new limits in size and complexity, allowing for the experimental exploration of emergent quantum modes. However, this increased complexity…
Supercurrent through an Andreev trimer
Alberto Bordin, Florian J. Bennebroek Evertsz', Gorm O. Steffensen +8
Detection and control of Andreev Bound States (ABSs) localized at semiconductor-superconductor interfaces are essential for their use in quantum applications. Here we investigate t…
Robust poor man's Majorana zero modes using Yu-Shiba-Rusinov states
Francesco Zatelli, David van Driel, Di Xu +14
The recent realization of a two-site Kitaev chain featuring "poor man's Majorana" states demonstrates a path forward in the field of topological superconductivity. Harnessing the p…
Charge sensing the parity of an Andreev molecule
David van Driel, Bart Roovers, Francesco Zatelli +10
The proximity effect of superconductivity on confined states in semiconductors gives rise to various bound states such as Andreev bound states (ABSs), Andreev molecules and Majoran…
A two-site Kitaev chain in a two-dimensional electron gas
Sebastiaan L. D. ten Haaf, Qingzhen Wang, A. Mert Bozkurt +9
Artificial Kitaev chains can be used to engineer Majorana bound states (MBSs) in superconductor-semiconductor hybrids. In this work, we realize a two-site Kitaev chain in a two-dim…
Enhancing the excitation gap of a quantum-dot-based Kitaev chain
Chun-Xiao Liu, A. Mert Bozkurt, Francesco Zatelli +3
Connecting double quantum dots via a semiconductor-superconductor hybrid segment offers a platform for creating a two-site Kitaev chain that hosts a pair of "poor man's Majoranas"…
Gate-tunable Superconductivity in Hybrid InSb-Pb Nanowires
Yan Chen, David van Driel, Charalampos Lampadaris +7
We present a report on hybrid InSb-Pb nanowires that combine high spin-orbit coupling with a high critical field and a large superconducting gap. Material characterization indicate…
Crossed Andreev reflection and elastic co-tunneling in a three-site Kitaev chain nanowire device
Alberto Bordin, Xiang Li, David van Driel +7
The formation of a topological superconducting phase in a quantum-dot-based Kitaev chain requires nearest neighbor crossed Andreev reflection and elastic co-tunneling. Here we repo…
Spin-filtered measurements of Andreev bound states
David van Driel, Guanzhong Wang, Alberto Bordin +9
A semiconductor nanowire brought in proximity to a superconductor can form discrete, particle-hole symmetric states, known as Andreev bound states (ABSs). An ABS can be found in it…
Kondo Effect in Defect-bound Quantum Dots Coupled to NbSe
T. R. Devidas, Tom Dvir, Enrico Rossi +1
We report the fabrication of a van der Waals tunneling device hosting a defect-bound quantum dot coupled to NbSe. We find that upon application of magnetic field, the device ex…
Controlled crossed Andreev reflection and elastic co-tunneling mediated by Andreev bound states
Alberto Bordin, Guanzhong Wang, Chun-Xiao Liu +12
A short superconducting segment can couple attached quantum dots via elastic co-tunneling (ECT) and crossed Andreev reflection (CAR). Such coupled quantum dots can host Majorana bo…
Realization of a minimal Kitaev chain in coupled quantum dots
Tom Dvir, Guanzhong Wang, Nick van Loo +14
Majorana bound states constitute one of the simplest examples of emergent non-Abelian excitations in condensed matter physics. A toy model proposed by Kitaev shows that such states…
Singlet and triplet Cooper pair splitting in hybrid superconducting nanowires
Guanzhong Wang, Tom Dvir, Grzegorz P. Mazur +9
In most naturally occurring superconductors, electrons with opposite spins are paired up to form Cooper pairs. This includes both conventional -wave superconductors such as alum…
Tunable superconducting coupling of quantum dots via Andreev bound states in semiconductor-superconductor nanowires
Chun-Xiao Liu, Guanzhong Wang, Tom Dvir +1
Semiconductor quantum dots have proven to be a useful platform for quantum simulation in the solid state. However, implementing a superconducting coupling between quantum dots medi…
Quantum-Dot Assisted Spectroscopy of Degeneracy-Lifted Landau Levels in Graphene
Itai Keren, Tom Dvir, Ayelet Zalic +5
Energy spectroscopy of strongly interacting phases requires probes which minimize screening while retaining spectral resolution and local sensitivity. Here we demonstrate that such…
High density carriers at a strongly coupled graphene-topological insulator interface
Ayelet Zalic, Tom Dvir, Hadar Steinberg
We report on a strongly coupled bilayer graphene (BLG) - \bise\ device with a junction resistance of less than 1.5 km. This device exhibits unique behavior at the interface…