302 citations · 396 across the 20 of their papers we have counts for
23 papers
Imaging how fluctuations destroy superconductivity in two dimensions
Logan Bishop-Van Horn, Teng Zhang, Sara Metti +3
Two-dimensional superconductors test our understanding of quantum phases. Low-temperature "anomalous metal" states are widely observed where conventional theories predict only supe…
Realization of Very High Mobility InAs Quantum Wells on InP Substrates Through Convex InAlAs Graded Buffer Optimization
Tyler Lindemann, Rojila Ghimire, Alejandro Alcaraz Ramirez +4
Due to strong spin-orbit coupling, large Landé -factor, and a highly transparent interface, the two-dimensional electron gas (2DEG) in InAs quantum wells provides an ideal platf…
Kitaev spin liquid in superconducting networks
Guilherme Delfino, Mehmet Dede, Dmitry Green +3
We propose a realization of the Kitaev honeycomb Hamiltonian -- an archetypal spin-liquid model -- in a superconducting metamaterial. The architecture consists of Cooper-pair boxes…
Nonlinear Diamagnetic Interactions in Ultrastrongly Coupled 2D Electrons
Dasom Kim, Kiran M. Kulkarni, Vaibhav Sharma +15
The quantum Hopfield model is widely used to describe ultrastrong light--matter coupling between cavity photons and collective bosonic excitations in solids, where the diamagnetic…
Anderson Orthogonality as Measurement Backaction in Coupled Quantum Dots
Will Grant, Sarath Sankar, Elena Cornick +9
Measurement perturbs a quantum system by coupling it to external degrees of freedom, but detector backaction depends on the physical mechanism of measurement itself. In solid-state…
Entropic signatures of the single-impurity Kondo state
Johann Drayne, Silvia Lüscher, Will Grant +8
The Kondo singlet---a many-body state formed by entanglement between a localized spin and the Fermi sea---has been studied extensively through its transport signatures in quantum d…
20 Second Parity Lifetime in an InAs--Pb Tetron Device
Morteza Aghaee, Zulfi Alam, Mariusz Andrzejczuk +162
A central promise of topological quantum computing is that increasing the excitation gap improves device performance significantly. Here, we experimentally validate this principle…
Shubnikov-de Haas Characterization of Superconductor-Semiconductor Heterostructures
A. M. Zimmerman, Saeed Fallahi, Sergei Gronin +13
Hybrid superconductor-semiconductor nanostructures are a central component for research spanning condensed matter physics and quantum information processing. Continued progress rel…
Remote entropy measurement in coupled quantum dots
Owen Sheekey, Tim Child, Elena Cornick +8
Recent experiments have demonstrated that measurements of the entropy change associated with the addition of electrons to semiconductor- and graphene-based quantum dots accurately…
High efficiency superconducting diode effect in a gate-tunable double-loop SQUID
Wyatt Gibbons, Teng Zhang, Kevin Barrow +3
In superconducting quantum interference devices (SQUIDs), the superconducting diode effect may be generated by interference of multiple harmonic components in the current-phase rel…
Topological Robustness of Anyon Tunneling at
Adithya Suresh, Ramon Guerrero-Suarez, Tanmay Maiti +4
The scaling exponent of the quasiparticle propagator for incompressible fractional quantum Hall states in the Laughlin sequence is expected to be robust against perturbations t…
Cavity-Mediated Coupling between Local and Nonlocal Modes in Landau Polaritons
Sae R. Endo, Dasom Kim, Shuang Liang +8
The multimode ultrastrong coupling (USC) regime has emerged as a novel platform for accessing previously inaccessible phenomena in cavity quantum electrodynamics. Of particular int…
Distinct Lifetimes for and Loop Measurements in a Majorana Tetron Device
Morteza Aghaee, Zulfi Alam, Rikke Andersen +164
We present a hardware realization and measurements of a tetron qubit device in a superconductor-semiconductor heterostructure. The device architecture contains two parallel superco…
Response to recent comments on Phys. Rev. B 107, 245423 (2023) and Subsection S4.3 of the Supp. Info. for Nature 638, 651-655 (2025)
Morteza Aghaee, Zulfi Alam, Mariusz Andrzejczuk +127
The topological gap protocol (TGP) is a statistical test designed to identify a topological phase with high confidence and without human bias. It is used to determine a promising p…
Appearance of Multiple Spectral Gaps in Voltage-Biased Josephson Junctions Without Floquet Hybridization
Teng Zhang, Tatiana de Picoli, Tyler Lindemann +2
A time-periodic drive enables the engineering of non-equilibrium quantum systems by hybridizing Floquet sidebands. We investigated DC voltage-biased planar Josephson junctions buil…
Universal Anyon Tunneling in a Chiral Luttinger Liquid
Ramon Guerrero-Suarez, Adithya Suresh, Tanmay Maiti +5
The edge modes of fractional quantum Hall liquids are described by chiral Luttinger liquid theory. Despite many years of experimental investigation fractional quantum Hall edge mod…
Roadmap to fault tolerant quantum computation using topological qubit arrays
David Aasen, Morteza Aghaee, Zulfi Alam +179
We describe a concrete device roadmap towards a fault-tolerant quantum computing architecture based on noise-resilient, topologically protected Majorana-based qubits. Our roadmap e…
Interferometric Single-Shot Parity Measurement in an InAs-Al Hybrid Device
Morteza Aghaee, Alejandro Alcaraz Ramirez, Zulfi Alam +159
The fusion of non-Abelian anyons or topological defects is a fundamental operation in measurement-only topological quantum computation. In topological superconductors, this operati…
Closing of the Induced Gap in a Hybrid Superconductor-Semiconductor Nanowire
D. Puglia, E. A. Martinez, G. C. Ménard +8
Hybrid superconductor-semiconductor nanowires are predicted to undergo a field-induced phase transition from a trivial to a topological superconductor, marked by the closure and re…
Impact of silicon doping on low frequency charge noise and conductance drift in GaAs/AlGaAs nanostructures
S. Fallahi, J. R. Nakamura, G. C. Gardner +2
We present measurements of low frequency charge noise and conductance drift in modulation doped GaAs/AlGaAs heterostructures grown by molecular beam epitaxy in which the silicon do…
Shubnikov-de Haas oscillations in two-dimensional electron gas under subterahertz radiation
Q. Shi, P. D. Martin, A. T. Hatke +6
We report on magnetotransport measurements in a two-dimensional (2D) electron gas subject to subterahertz radiation in the regime where Shubnikov-de Haas oscillations (SdHO) and mi…
Multiphoton processes at cyclotron resonance subharmonics in a 2D electron system under DC and microwave excitation
S. Chakraborty, A. T. Hatke, L. W. Engel +2
We investigate a two-dimensional electron system (2DES) under microwave illumination at cyclotron resonance subharmonics. The 2DES carries sufficient direct current, , that the…
Cryogenic Control Architecture for Large-Scale Quantum Computing
J. M. Hornibrook, J. I. Colless, I. D. Conway Lamb +8
Solid-state qubits have recently advanced to the level that enables them, in-principle, to be scaled-up into fault-tolerant quantum computers. As these physical qubits continue to…