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@ARTICLE{Kenawy:1021461,
author = {Kenawy, Ahmed and Hassler, Fabian and Riwar, Roman-Pascal},
title = {{T}ime-dependent driving and topological protection in the
fractional {J}osephson effect},
publisher = {arXiv},
reportid = {FZJ-2024-00754},
year = {2023},
abstract = {The control of any type of quantum hardware invariably
necessitates time-dependent driving. If the basis depends on
the control parameter, the presence of a time-dependent
control field yields an extra term in the Schrödinger
equation that is often neglected. Here, we examine the
effect of this term in a flux-controlled Majorana junction.
We show that a time-varying flux gives rise to an
electromotive force which is amplified when truncating to
the junction's low-energy degrees of freedom. As a result,
it compromises the robustness of the ground-state degeneracy
present in the absence of the drive. The resulting
flattening of the energy spectrum can be measured by a
strong suppression of the dc supercurrent.},
keywords = {Superconductivity (cond-mat.supr-con) (Other) / Mesoscale
and Nanoscale Physics (cond-mat.mes-hall) (Other) / FOS:
Physical sciences (Other)},
cin = {PGI-2},
cid = {I:(DE-Juel1)PGI-2-20110106},
pnm = {5222 - Exploratory Qubits (POF4-522)},
pid = {G:(DE-HGF)POF4-5222},
typ = {PUB:(DE-HGF)25},
doi = {10.48550/ARXIV.2306.09440},
url = {https://juser.fz-juelich.de/record/1021461},
}