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Joel Klassen
Joel Klassen
Quantum Software Researcher, Phasecraft Ltd.
Email confirmado em phasecraft.io
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Ano
Compact fermion to qubit mappings
C Derby, J Klassen, J Bausch, T Cubitt
Physical Review B 104 (3), 035118, 2021
762021
Quantum state tomography via reduced density matrices
T Xin, D Lu, J Klassen, N Yu, Z Ji, J Chen, X Ma, G Long, B Zeng, ...
Physical review letters 118 (2), 020401, 2017
722017
Two-local qubit Hamiltonians: when are they stoquastic?
J Klassen, BM Terhal
Quantum 3, 139, 2019
392019
Hardness and ease of curing the sign problem for two-local qubit Hamiltonians
J Klassen, M Marvian, S Piddock, M Ioannou, I Hen, BM Terhal
SIAM Journal on Computing 49 (6), 1332-1362, 2020
302020
Towards near-term quantum simulation of materials
L Clinton, T Cubitt, B Flynn, FM Gambetta, J Klassen, A Montanaro, ...
Nature Communications 15 (1), 211, 2024
142024
Optimizing fermionic encodings for both hamiltonian and hardware
RW Chien, J Klassen
arXiv preprint arXiv:2210.05652, 2022
142022
A compact fermion to qubit mapping part 2: Alternative lattice geometries
C Derby, J Klassen
arXiv preprint arXiv:2101.10735, 2021
142021
Low weight fermionic encodings for lattice models
C Derby, J Klassen
arXiv e-prints, arXiv: 2003.06939, 2020
82020
Topological degeneracy (Majorana zero-mode) and 1+ 1d fermionic topological order in a magnetic chain on superconductor via spontaneous symmetry breaking
J Klassen, XG Wen
Journal of Physics: Condensed Matter 27 (40), 405601, 2015
82015
Phase estimation of local Hamiltonians on NISQ hardware
L Clinton, J Bausch, J Klassen, T Cubitt
New Journal of Physics 25 (3), 033027, 2023
62023
Mitigating errors in local fermionic encodings
J Bausch, T Cubitt, C Derby, J Klassen
arXiv preprint arXiv:2003.07125, 2020
62020
Sign-curing local Hamiltonians: Termwise versus global stoquasticity and the use of Clifford transformations
M Ioannou, S Piddock, M Marvian, J Klassen, BM Terhal
arXiv preprint arXiv:2007.11964, 2020
52020
Quantum-centric Supercomputing for Materials Science: A Perspective on Challenges and Future Directions
Y Alexeev, M Amsler, P Baity, MA Barroca, S Bassini, T Battelle, D Camps, ...
arXiv preprint arXiv:2312.09733, 2023
32023
8th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2013)
H Shah, G Kuperberg, J Klassen, J Chen, B Zeng, AM Childs, R Kothari, ...
Schloss Dagstuhl-Leibniz-Zentrum für Informatik GmbH, 2013
32013
Existence and Uniqueness in the Quantum Marginal Problem
JD Klassen
University of Guelph, 2017
22017
Low-weight fermion-to-qubit encoding
JD Klassen, CNC Derby
US Patent App. 17/798,290, 2023
12023
Universal entanglers for bosonic and fermionic systems
J Klassen, J Chen, B Zeng
arXiv preprint arXiv:1305.7489, 2013
12013
arXiv: Quantum-centric Supercomputing for Materials Science: A Perspective on Challenges and Future Directions
Y Alexeev, B Gropp, I Sitdikov, MA Barroca, K Moon, S Economou, ...
2023
Condensed matter simulations on quantum computers
A Montanaro, B Flynn, E Sheridan, F Gambetta, J Klassen, R Santos, ...
US Patent App. 18/322,985, 2023
2023
Termwise versus globally stoquastic local Hamiltonians: questions of complexity and sign-curing
M Ioannou, S Piddock, M Marvian, J Klassen, BM Terhal
arXiv preprint arXiv:2007.11964, 2020
2020
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