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@ARTICLE{Ciani:842896,
author = {Ciani, A. and DiVincenzo, David},
title = {{T}hree-qubit direct dispersive parity measurement with
tunable coupling qubits},
journal = {Physical review / B},
volume = {96},
number = {21},
issn = {2469-9950},
address = {Woodbury, NY},
publisher = {Inst.},
reportid = {FZJ-2018-01069},
pages = {214511},
year = {2017},
note = {19 pages, 8 figures},
abstract = {We consider the direct three-qubit parity measurement
scheme with two measurement resonators, using circuit
quantum electrodynamics to analyze its functioning for
several different types of superconducting qubits. We find
that for the most common, transmon-like qubit, the presence
of additional qubit-state dependent coupling terms of the
two resonators hinders the possibility of performing the
direct parity measurement. We show how this problem can be
solved by employing the Tunable Coupling Qubit (TCQ) in a
particular designed configuration. In this case, we
effectively engineer the original model Hamiltonian by
cancelling the harmful terms. We further develop an analysis
of the measurement in terms of information gains and provide
some estimates of the typical parameters for optimal
operation with TCQs.},
cin = {PGI-2},
ddc = {530},
cid = {I:(DE-Juel1)PGI-2-20110106},
pnm = {144 - Controlling Collective States (POF3-144)},
pid = {G:(DE-HGF)POF3-144},
typ = {PUB:(DE-HGF)16},
eprint = {1708.04175},
howpublished = {arXiv:1708.04175},
archivePrefix = {arXiv},
SLACcitation = {$\%\%CITATION$ = $arXiv:1708.04175;\%\%$},
UT = {WOS:000418653000010},
doi = {10.1103/PhysRevB.96.214511},
url = {https://juser.fz-juelich.de/record/842896},
}