Joel Klassen
Joel Klassen
Quantum Software Researcher, Phasecraft Ltd.
Verified email at
Cited by
Cited by
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
Two-local qubit Hamiltonians: when are they stoquastic?
J Klassen, BM Terhal
Quantum 3, 139, 2019
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
Compact fermion to qubit mappings
C Derby, J Klassen, J Bausch, T Cubitt
Physical Review B 104 (3), 035118, 2021
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
Low Weight Fermionic Encodings for Lattice Models
C Derby, J Klassen
arXiv e-prints, arXiv: 2003.06939, 2020
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
A compact fermion to qubit mapping part 2: Alternative lattice geometries
C Derby, J Klassen
arXiv preprint arXiv:2101.10735, 2021
Mitigating Errors in Local Fermionic Encodings
J Bausch, T Cubitt, C Derby, J Klassen
arXiv preprint arXiv:2003.07125, 2020
Universal entanglers for bosonic and fermionic systems
J Klassen, J Chen, B Zeng
arXiv preprint arXiv:1305.7489, 2013
Phase Estimation of Local Hamiltonians on NISQ Hardware
L Clinton, J Bausch, J Klassen, T Cubitt
arXiv preprint arXiv:2110.13584, 2021
Existence and Uniqueness in the Quantum Marginal Problem
JD Klassen
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