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pro vyhledávání: '"J. Vartiainen"'
Akademický článek
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Publikováno v:
Journal of the Royal Statistical Society Series C: Applied Statistics. 56:167-181
Summary We study the optimal design of switching measurements of small Josephsonjunction circuits which operate in the macroscopic quantum tunnelling regime. In the experiment, sequences of current pulses are applied to the Josephson junction sample,
Publikováno v:
Physics Letters A. 350:27-30
For a given quantum algorithm the time-optimal implementation is attained using the Cartan decomposition. We extend this approach and show that the execution time of a quantum algorithm can be further reduced by adding an extra gate to it. We apply t
Akademický článek
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Autor:
J Vartiainen
Publikováno v:
Oxford Review of Economic Policy. 14:19-39
The economic policies of Swedish Social Democrats were not the product of one centralized authority but, rather, a series of initiatives influenced by many political actors and inspired by egalitarian preferences. We focus on three policy areas. Firs
Publikováno v:
Maturitas. 17:129-137
The treatment of postmenopausal symptoms was studied in 26 healthy women using a new synthetic rubber (Kraton D 2109) vaginal ring containing 53 mg of 17β-oestradiol. All women were postmenopausal, at least 6 months after the last vaginal bleeding a
BACKGROUND Susceptibility to asthma is influenced by genes and environment; implicated genes may indicate pathways for therapeutic intervention. Genetic risk factors may be useful in identifying subtypes of asthma and determining whether intermediate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2127::2cd5b3508c24147d1a173245f77d3661
https://pergamos.lib.uoa.gr/uoa/dl/object/uoadl:3147033
https://pergamos.lib.uoa.gr/uoa/dl/object/uoadl:3147033
We present the first measurements of the Berry phase in a superconducting Cooper pair pump. A fixed amount of Berry phase is accumulated to the quantum-mechanical ground state in each adiabatic pumping cycle, which is determined by measuring the char
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c5a715146cf769753796acbc837095b7
https://aaltodoc.aalto.fi/handle/123456789/16176
https://aaltodoc.aalto.fi/handle/123456789/16176
Publikováno v:
Vartiainen, J J, Möttönen, M, Pekola, J P & Kemppinen, A 2007, ' Nanoampere pumping of Cooper pairs ', Applied Physics Letters, vol. 90, no. 8, 082102 . https://doi.org/10.1063/1.2709967
The authors have employed a tunable Cooper-pair transistor, the sluice, with radio frequency control to pump current over a resistive circuit. They find that the charge transferred per pumping cycle can be controlled with the resolution of a single C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b4b2f3bec518c90fe8b73a6e1a42494a
https://cris.vtt.fi/en/publications/f142d3cf-d032-4c31-9380-9a1d9447884a
https://cris.vtt.fi/en/publications/f142d3cf-d032-4c31-9380-9a1d9447884a
Autor:
Jukka P. Pekola, Dmitri V. Averin, Mikko Möttönen, Olli-Pentti Saira, Juha J. Vartiainen, Matthias Meschke
The basis of synchronous manipulation of individual electrons in solid-state devices was laid by the rise of single-electronics about two decades ago. Ultra-small structures in a low temperature environment form an ideal domain of addressing electron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e18fbd07e37eec2710b7dcda0634a46