Interplay of charge and spin coherence in Landau-Zener-Stückelberg-Majorana interferometry
| dc.contributor.author | Ribeiro, Hugo | |
| dc.contributor.author | Petta, Jason R. | deu |
| dc.contributor.author | Burkard, Guido | |
| dc.date.accessioned | 2013-10-10T13:37:37Z | deu |
| dc.date.available | 2013-10-10T13:37:37Z | deu |
| dc.date.issued | 2013 | deu |
| dc.description.abstract | We study Landau-Zener dynamics in a double quantum dot filled with two electrons, where the spin states can become correlated with charge states and the level velocity can be tuned in a time-dependent fashion. We show that a correct interpretation of experimental data is only possible when finite-time effects are taken into account. In addition, our formalism allows the study of partial adiabatic dynamics in the presence of phonon-mediated hyperfine relaxation and charge-noise-induced dephasing. Our findings demonstrate that charge noise severely impacts the visibility of Landau-Zener-Stückelberg-Majorana interference fringes. This indicates that charge coherence must be treated on an equal footing with spin coherence. | eng |
| dc.description.version | published | |
| dc.identifier.arxiv | 1210.1957 | deu |
| dc.identifier.uri | http://kops.uni-konstanz.de/handle/123456789/24802 | |
| dc.language.iso | eng | deu |
| dc.legacy.dateIssued | 2013-10-10 | deu |
| dc.rights | terms-of-use | deu |
| dc.rights.uri | https://rightsstatements.org/page/InC/1.0/ | deu |
| dc.subject.ddc | 530 | deu |
| dc.title | Interplay of charge and spin coherence in Landau-Zener-Stückelberg-Majorana interferometry | eng |
| dc.type | PREPRINT | deu |
| dspace.entity.type | Publication | |
| kops.citation.bibtex | @unpublished{Ribeiro2013Inter-24802,
year={2013},
title={Interplay of charge and spin coherence in Landau-Zener-Stückelberg-Majorana interferometry},
author={Ribeiro, Hugo and Petta, Jason R. and Burkard, Guido}
} | |
| kops.citation.iso690 | RIBEIRO, Hugo, Jason R. PETTA, Guido BURKARD, 2013. Interplay of charge and spin coherence in Landau-Zener-Stückelberg-Majorana interferometry | deu |
| kops.citation.iso690 | RIBEIRO, Hugo, Jason R. PETTA, Guido BURKARD, 2013. Interplay of charge and spin coherence in Landau-Zener-Stückelberg-Majorana interferometry | eng |
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<dcterms:abstract xml:lang="eng">We study Landau-Zener dynamics in a double quantum dot filled with two electrons, where the spin states can become correlated with charge states and the level velocity can be tuned in a time-dependent fashion. We show that a correct interpretation of experimental data is only possible when finite-time effects are taken into account. In addition, our formalism allows the study of partial adiabatic dynamics in the presence of phonon-mediated hyperfine relaxation and charge-noise-induced dephasing. Our findings demonstrate that charge noise severely impacts the visibility of Landau-Zener-Stückelberg-Majorana interference fringes. This indicates that charge coherence must be treated on an equal footing with spin coherence.</dcterms:abstract>
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| kops.flag.knbibliography | true | |
| kops.identifier.nbn | urn:nbn:de:bsz:352-248022 | deu |
| kops.submitter.email | christoph.petzmann@uni-konstanz.de | deu |
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