548 citations · 1.6k across the 10 of their papers we have counts for
10 papers
Nanoscale covariance magnetometry with diamond quantum sensors
Jared Rovny, Zhiyang Yuan, Mattias Fitzpatrick +6
Nitrogen vacancy (NV) centers in diamond are atom-scale defects with long spin coherence times that can be used to sense magnetic fields with high sensitivity and spatial resolutio…
Experimental Bayesian estimation of quantum state preparation, measurement, and gate errors in multi-qubit devices
Haggai Landa, Dekel Meirom, Naoki Kanazawa +2
We introduce a Bayesian method for the estimation of single qubit errors in quantum devices, and use it to characterize these errors on three 27-qubit superconducting qubit devices…
Probing spin dynamics on diamond surfaces using a single quantum sensor
Bo L. Dwyer, Lila V. H. Rodgers, Elana K. Urbach +13
Understanding the dynamics of a quantum bit's environment is essential for the realization of practical systems for quantum information processing and metrology. We use single nitr…
Charge State Dynamics and Optically Detected Electron Spin Resonance Contrast of Shallow Nitrogen-Vacancy Centers in Diamond
Zhiyang Yuan, Mattias Fitzpatrick, Lila V. H. Rodgers +3
Nitrogen-vacancy (NV) centers in diamond can be used for nanoscale sensing with atomic resolution and sensitivity; however, it has been observed that their properties degrade as th…
New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds
Alex P. M. Place, Lila V. H. Rodgers, Pranav Mundada +15
The superconducting transmon qubit is a leading platform for quantum computing and quantum science. Building large, useful quantum systems based on transmon qubits will require sig…
Line-Graph Lattices: Euclidean and Non-Euclidean Flat Bands, and Implementations in Circuit Quantum Electrodynamics
Alicia J. Kollár, Mattias Fitzpatrick, Peter Sarnak +1
Materials science and the study of the electronic properties of solids are a major field of interest in both physics and engineering. The starting point for all such calculations i…
Hyperbolic Lattices in Circuit Quantum Electrodynamics
Alicia J. Kollár, Mattias Fitzpatrick, Andrew A. Houck
After close to two decades of research and development, superconducting circuits have emerged as a rich platform for both quantum computation and quantum simulation. Lattices of su…
Observation of a dissipative phase transition in a one-dimensional circuit QED lattice
Mattias Fitzpatrick, Neereja M. Sundaresan, Andy C. Y. Li +2
Condensed matter physics has been driven forward by significant experimental and theoretical progress in the study and understanding of equilibrium phase transitions based on symme…
Antilocalization of Coulomb Blockade in a Ge-Si Nanowire
A. P. Higginbotham, F. Kuemmeth, T. W. Larsen +5
The distribution of Coulomb blockade peak heights as a function of magnetic field is investigated experimentally in a Ge-Si nanowire quantum dot. Strong spin-orbit coupling in this…
Initial state dependence of the quench dynamics in integrable quantum systems
Marcos Rigol, Mattias Fitzpatrick
We identify and study classes of initial states in integrable quantum systems that, after the relaxation dynamics following a sudden quench, lead to near-thermal expectation values…