Fast quantum control in dissipative systems using dissipationless solutions.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
11 Mar 2019
11 Mar 2019
Historique:
received:
12
11
2018
accepted:
31
01
2019
entrez:
13
3
2019
pubmed:
13
3
2019
medline:
13
3
2019
Statut:
epublish
Résumé
We report on a systematic geometric procedure, built up on solutions designed in the absence of dissipation, to mitigate the effects of dissipation in the control of open quantum systems. Our method addresses a standard class of open quantum systems that encompasses non-Hermitian Hamiltonians. It provides the analytical expression of the extra magnetic field to be superimposed to the driving field in order to compensate the geometric distortion induced by dissipation for spin systems, and produces an exact geometric optimization of fast population transfer. Interestingly, it also preserves the robustness properties of protocols originally optimized against noise. Its extension to two interacting spins restores a fidelity close to unity for the fast generation of Bell state in the presence of dissipation.
Identifiants
pubmed: 30858537
doi: 10.1038/s41598-019-39731-z
pii: 10.1038/s41598-019-39731-z
pmc: PMC6412050
doi:
Types de publication
Journal Article
Langues
eng
Pagination
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