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@ARTICLE{Hosseinkhani:842481,
author = {Hosseinkhani, A. and Riwar, Roman and Schoelkopf, R. J. and
Glazman, L. I. and Catelani, Gianluigi},
title = {{O}ptimal {C}onfigurations for {N}ormal-{M}etal {T}raps in
{T}ransmon {Q}ubits},
journal = {Physical review applied},
volume = {8},
number = {6},
issn = {2331-7019},
address = {College Park, Md. [u.a.]},
publisher = {American Physical Society},
reportid = {FZJ-2018-00706},
pages = {064028},
year = {2017},
abstract = {Controlling quasiparticle dynamics can improve the
performance of superconducting devices. For example, it has
been demonstrated effective in increasing the lifetime and
stability of superconducting qubits. Here we study how to
optimize the placement of normal-metal traps in
transmon-type qubits. When the trap size increases beyond a
certain characteristic length, the details of the geometry
and trap position, and even the number of traps, become
important. We discuss for some experimentally relevant
examples how to shorten the decay time of the excess
quasiparticle density. Moreover, we show that a trap in the
vicinity of a Josephson junction can significantly reduce
the steady-state quasiparticle density near that junction,
thus, suppressing the quasiparticle-induced relaxation rate
of the qubit. Such a trap also reduces the impact of
fluctuations in the generation rate of quasiparticles,
rendering the qubit more stable.},
cin = {PGI-11 / PGI-2},
ddc = {530},
cid = {I:(DE-Juel1)PGI-11-20170113 / I:(DE-Juel1)PGI-2-20110106},
pnm = {144 - Controlling Collective States (POF3-144)},
pid = {G:(DE-HGF)POF3-144},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000418665700004},
doi = {10.1103/PhysRevApplied.8.064028},
url = {https://juser.fz-juelich.de/record/842481},
}