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@ARTICLE{Mehl:172757,
author = {Mehl, Sebastian and DiVincenzo, David},
title = {{I}nverted singlet-triplet qubit coded on a two-electron
double quantum dot},
journal = {Physical review / B},
volume = {90},
number = {19},
issn = {1098-0121},
address = {College Park, Md.},
publisher = {APS},
reportid = {FZJ-2014-06200},
pages = {195424},
year = {2014},
abstract = {The sz=0 spin configuration of two electrons confined at a
double quantum dot (DQD) encodes the singlet-triplet qubit
(STQ). We introduce the inverted STQ (ISTQ) that emerges
from the setup of two quantum dots (QDs) differing
significantly in size and out-of-plane magnetic fields. The
strongly confined QD has a two-electron singlet ground
state, but the weakly confined QD has a two-electron triplet
ground state in the sz=0 subspace. Spin-orbit interactions
act nontrivially on the sz=0 subspace and provide universal
control of the ISTQ together with electrostatic
manipulations of the charge configuration. GaAs and InAs
DQDs can be operated as ISTQs under realistic noise
conditions},
cin = {IAS-3 / PGI-2},
ddc = {530},
cid = {I:(DE-Juel1)IAS-3-20090406 / I:(DE-Juel1)PGI-2-20110106},
pnm = {422 - Spin-based and quantum information (POF2-422)},
pid = {G:(DE-HGF)POF2-422},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000345465200005},
doi = {10.1103/PhysRevB.90.195424},
url = {https://juser.fz-juelich.de/record/172757},
}