A Dunsworth
Overview
Explore the profile of A Dunsworth including associated specialties, affiliations and a list of published articles.
Author names and details appear as published. Due to indexing inconsistencies, multiple individuals may share a name, and a single author may have variations. MedLuna displays this data as publicly available, without modification or verification
Snapshot
Snapshot
Articles
25
Citations
506
Followers
0
Related Specialties
Related Specialties
Top 10 Co-Authors
Top 10 Co-Authors
Published In
Published In
Affiliations
Affiliations
Soon will be listed here.
Recent Articles
11.
McRae C, Wang H, Gao J, Vissers M, Brecht T, Dunsworth A, et al.
Rev Sci Instrum
. 2020 Oct;
91(9):091101.
PMID: 33003823
The performance of superconducting circuits for quantum computing is limited by materials losses. In particular, coherence times are typically bounded by two-level system (TLS) losses at single photon powers and...
12.
Barends R, Quintana C, Petukhov A, Chen Y, Kafri D, Kechedzhi K, et al.
Phys Rev Lett
. 2019 Dec;
123(21):210501.
PMID: 31809160
We demonstrate diabatic two-qubit gates with Pauli error rates down to 4.3(2)×10^{-3} in as fast as 18 ns using frequency-tunable superconducting qubits. This is achieved by synchronizing the entangling parameters...
13.
Klimov P, Kelly J, Chen Z, Neeley M, Megrant A, Burkett B, et al.
Phys Rev Lett
. 2018 Sep;
121(9):090502.
PMID: 30230854
Superconducting qubits are an attractive platform for quantum computing since they have demonstrated high-fidelity quantum gates and extensibility to modest system sizes. Nonetheless, an outstanding challenge is stabilizing their energy-relaxation...
14.
Neill C, Roushan P, Kechedzhi K, Boixo S, Isakov S, Smelyanskiy V, et al.
Science
. 2018 Apr;
360(6385):195-199.
PMID: 29650670
A key step toward demonstrating a quantum system that can address difficult problems in physics and chemistry will be performing a computation beyond the capabilities of any classical computer, thus...
15.
Roushan P, Neill C, Tangpanitanon J, Bastidas V, Megrant A, Barends R, et al.
Science
. 2017 Dec;
358(6367):1175-1179.
PMID: 29191906
Quantized eigenenergies and their associated wave functions provide extensive information for predicting the physics of quantum many-body systems. Using a chain of nine superconducting qubits, we implement a technique for...
16.
Quintana C, Chen Y, Sank D, Petukhov A, White T, Kafri D, et al.
Phys Rev Lett
. 2017 Feb;
118(5):057702.
PMID: 28211704
By analyzing the dissipative dynamics of a tunable gap flux qubit, we extract both sides of its two-sided environmental flux noise spectral density over a range of frequencies around 2k_{B}T/h≈1 ...
17.
Sank D, Chen Z, Khezri M, Kelly J, Barends R, Campbell B, et al.
Phys Rev Lett
. 2016 Nov;
117(19):190503.
PMID: 27858439
Many superconducting qubit systems use the dispersive interaction between the qubit and a coupled harmonic resonator to perform quantum state measurement. Previous works have found that such measurements can induce...
18.
Barends R, Shabani A, Lamata L, Kelly J, Mezzacapo A, Las Heras U, et al.
Nature
. 2016 Jun;
534(7606):222-6.
PMID: 27279216
Quantum mechanics can help to solve complex problems in physics and chemistry, provided they can be programmed in a physical device. In adiabatic quantum computing, a system is slowly evolved...
19.
Chen Z, Kelly J, Quintana C, Barends R, Campbell B, Chen Y, et al.
Phys Rev Lett
. 2016 Jan;
116(2):020501.
PMID: 26824531
Leakage errors occur when a quantum system leaves the two-level qubit subspace. Reducing these errors is critically important for quantum error correction to be viable. To quantify leakage errors, we...
20.
Barends R, Lamata L, Kelly J, Garcia-Alvarez L, Fowler A, Megrant A, et al.
Nat Commun
. 2015 Jul;
6:7654.
PMID: 26153660
One of the key applications of quantum information is simulating nature. Fermions are ubiquitous in nature, appearing in condensed matter systems, chemistry and high energy physics. However, universally simulating their...