activity
20222026
most citedImaging the Meissner effect and flux trapping in a hydride superconductor at megabar pressures using a nanoscale quantum sensor

122 citations · 200 across the 10 of their papers we have counts for

collaborators

12 papers

quant-ph2026

Engineering and Probing a One-Dimensional Dipolar Spin Ensemble in Diamond

Lingjie Chen, Shreyas Parthasarathy, Simon A. Meynell +11

Dimensionality plays a central role in determining the collective behavior of interacting quantum systems. Engineering strongly interacting ensembles of solid-state spin defects in…

quant-ph2026

Direct Observation of Dipolar-Driven Anisotropic Quantum Projection Noise in a Solid-State Spin Ensemble

Tasuku Ono, Weijie Wu, Haopu Yang +9

The nitrogen-vacancy (NV) center in diamond is a prominent quantum-sensing platform. Combining readout at the quantum projection noise limit with strong dipolar interactions promis…

quant-ph2026

Precision quantum simulation of magnon spectra and interactions

Trond I. Andersen, Nikita Astrakhantsev, Jeronimo Martinez +329

Quantum simulation promises to advance materials discovery by accurately simulating complex states of matter, their microscopic excitations, and macroscopic response functions. The…

quant-ph2025

Theory of Scalable Spin Squeezing with Disordered Quantum Dipoles

Avi Kaplan-Lipkin, Philip J. D. Crowley, Jonathan N. Hallén +6

Spin squeezed entanglement enables metrological precision beyond the classical limit. Understood through the lens of continuous symmetry breaking, dipolar spin systems exhibit the…

quant-ph2025

Elucidating the Inter-system Crossing of the Nitrogen-Vacancy Center up to Megabar Pressures

Benchen Huang, Srinivas V. Mandyam, Weijie Wu +12

The integration of Nitrogen-Vacancy color centers into diamond anvil cells has opened the door to quantum sensing at megabar pressures. Despite a multitude of experimental demonstr…

quant-ph2025

Patterning programmable spin arrays on DNA origami for quantum technologies

Zhiran Zhang, Taylor Morrison, Lillian Hughes +6

The controlled assembly of solid-state spins with nanoscale spatial precision is an outstanding challenge for quantum technology. Here, we combine DNA-based patterning with nitroge…

quant-ph2025★ 18 cited

Spin squeezing in an ensemble of nitrogen-vacancy centers in diamond

Weijie Wu, Emily J. Davis, Lillian B. Hughes +10

Spin squeezed states provide a seminal example of how the structure of quantum mechanical correlations can be controlled to produce metrologically useful entanglement. Such squeeze…

quant-ph2024

A Universal Protocol for Quantum-Enhanced Sensing via Information Scrambling

Bryce Kobrin, Thomas Schuster, Maxwell Block +4

We introduce a novel protocol, which enables Heisenberg-limited quantum-enhanced sensing using the dynamics of any interacting many-body Hamiltonian. Our approach - dubbed butterfl…

quant-ph2024★ 6 cited

A strongly interacting, two-dimensional, dipolar spin ensemble in (111)-oriented diamond

Lillian B. Hughes, Simon A. Meynell, Weijie Wu +8

Systems of spins with strong dipolar interactions and controlled dimensionality enable new explorations in quantum sensing and simulation. In this work, we investigate the creation…

cond-mat.supr-con2023★ 122 cited

Imaging the Meissner effect and flux trapping in a hydride superconductor at megabar pressures using a nanoscale quantum sensor

Prabudhya Bhattacharyya, Wuhao Chen, Xiaoli Huang +24

By directly altering microscopic interactions, pressure provides a powerful tuning knob for the exploration of condensed phases and geophysical phenomena. The megabar regime repres…

quant-ph2023★ 31 cited

Scalable Spin Squeezing from Finite Temperature Easy-plane Magnetism

Maxwell Block, Bingtian Ye, Brenden Roberts +7

Spin squeezing is a form of entanglement that reshapes the quantum projection noise to improve measurement precision. Here, we provide numerical and analytic evidence for the follo…

cond-mat.mtrl-sci2022★ 23 cited

Two-dimensional spin systems in PECVD-grown diamond with tunable density and long coherence for enhanced quantum sensing and simulation

Lillian B. Hughes, Zhiran Zhang, Chang Jin +9

Systems of spins engineered with tunable density and reduced dimensionality enable a number of advancements in quantum sensing and simulation. Defects in diamond, such as nitrogen-…