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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F08%3A00005335%21RIV09-MSM-15310___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
The quantification of relevant statistical errors is an indispensable but often neglected part of any tomographic scheme used for quantum diagnostic purposes. We introduce a novel resolution measure, which provides ?error bars? for any inferred quantity of interest. This is illustrated with an example of the diagnostics of non-classical states based on the value of the reconstructed Wigner function at the origin of the phase space. We show that such diagnostics is meaningful only when a lot of prior information on the measured quantum state is available. Our resolution measure also provides an effective tool for optimization and resolution tuning of tomography schemes The quantification of relevant statistical errors is an indispensable but often neglected part of any tomographic scheme used for quantum diagnostic purposes. We introduce a novel resolution measure, which provides ?error bars? for any inferred quantity of interest. This is illustrated with an example of the diagnostics of non-classical states based on the value of the reconstructed Wigner function at the origin of the phase space. We show that such diagnostics is meaningful only when a lot of prior information on the measured quantum state is available. Our resolution measure also provides an effective tool for optimization and resolution tuning of tomography schemes Je zavedena nová míra rozlišení, která poskytuje chybové intervaly pro libovolnou odhadovanou veličinu. Metoda je demonstrována na příkladu diagnostiky neklasických stavů s pomocí hodnoty rekonstruované Wignerovy funkce v počátku. Nově zavedené rozlišení se ukazuje být efektivním nástrojem pro optimalizaci tomografických postupů
dcterms:title
Tomografie pro kvantovou diagnostiku Tomography for quantum diagnostics Tomography for quantum diagnostics
skos:prefLabel
Tomography for quantum diagnostics Tomography for quantum diagnostics Tomografie pro kvantovou diagnostiku
skos:notation
RIV/61989592:15310/08:00005335!RIV09-MSM-15310___
n3:aktivita
n6:P n6:Z
n3:aktivity
P(GA202/06/0307), Z(MSM6198959213)
n3:cisloPeriodika
4
n3:dodaniDat
n11:2009
n3:domaciTvurceVysledku
n5:9395296 n5:6180523
n3:druhVysledku
n18:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
400188
n3:idVysledku
RIV/61989592:15310/08:00005335
n3:jazykVysledku
n17:eng
n3:klicovaSlova
Tomography; Wigner function; diagnostic
n3:klicoveSlovo
n4:diagnostic n4:Tomography n4:Wigner%20function
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[295666E4F447]
n3:nazevZdroje
New Journal of Physics
n3:obor
n8:BH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n16:GA202%2F06%2F0307
n3:rokUplatneniVysledku
n11:2008
n3:svazekPeriodika
10
n3:tvurceVysledku
Hradil, Zdeněk Mogilevtsev, Dmitri Řeháček, Jaroslav
n3:zamer
n19:MSM6198959213
s:issn
1367-2630
s:numberOfPages
1
n15:organizacniJednotka
15310