activity
19952026
most citedControllable valley splitting in silicon quantum devices

255 citations · 2.5k across the 74 of their papers we have counts for

collaborators

79 papers

cond-mat.supr-con2026

Evanescent-wave Johnson Noise from Superconductors

Hruday Mallubhotla, Gustav Romare, Ilya Esterlis +3

We compute the evanescent-wave Johnson noise (EWJN) in the vacuum half-space above a superconductor, and the resulting relaxation time () of spin and charge qubits placed at n…

cond-mat.mes-hall2021★ 46 cited

Valley splittings in Si/SiGe quantum dots with a germanium spike in the silicon well

Thomas McJunkin, E. R. MacQuarrie, Leah Tom +11

Silicon-germanium heterostructures have successfully hosted quantum dot qubits, but the intrinsic near-degeneracy of the two lowest valley states poses an obstacle to high fidelity…

quant-ph2020★ 5 cited

Magnetic Noise from Metal Objects near Qubit Arrays

Jonathan Kenny, Hruday Mallubhotla, Robert Joynt

All metal objects support fluctuating currents that are responsible for evanescent-wave Johnson noise in their vicinity due both to thermal and quantum effects. The noise fields ca…

cond-mat.mtrl-sci2020★ 7 cited

Tunable discrete scale invariance in transition-metal pentatelluride flakes

Yanzhao Liu, Huichao Wang, Haipeng Zhu +9

Log-periodic quantum oscillations discovered in transition-metal pentatelluride give a clear demonstration of discrete scale invariance (DSI) in solid-state materials. The peculiar…

quant-ph2020★ 14 cited

Speedup of the Quantum Adiabatic Algorithm using Delocalization Catalysis

Chenfeng Cao, Jian Xue, Nic Shannon +1

We propose a method to speed up the quantum adiabatic algorithm using catalysis by many-body delocalization. This is applied to random-field antiferromagnetic Ising spin models. Th…

cond-mat.mes-hall2020★ 5 cited

Phase diagram of the interacting persistent spin-helix state

Hong Liu, Weizhe Edward Liu, Stefano Chesi +2

We study the phase diagram of the interacting two-dimensional electron gas (2DEG) with equal Rashba and Dresselhaus spin-orbit coupling, which for weak coupling gives rise to the w…