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Quantum tomography or quantum state tomography is the process by which a quantum state is reconstructed using measurements on an ensemble of identical quantum states. The source of these states may be any device or system which prepares quantum states either consistently into quantum pure states or otherwise into general mixed states. To be able to uniquely identify the state, the measurements must be tomographically complete. That is, the measured operators must form an operator basis on the Hilbert space of the system, providing all the information about the state. Such a set of observations is sometimes called a quorum.

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  • Quantentomographie (de)
  • Quantum tomography (en)
  • Квантовая томография (ru)
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  • Die Quantentomographie ist ein Verfahren zur Rekonstruktion eines Quantenzustandes aus einer Reihe von Messungen. Sie ermöglicht die vollständige Vermessung des Quantenzustandes eines Objektes, z. B. seine Dichtematrix oder seine Ort- und Impulsverteilung. Da aufgrund der Unschärferelation die Messung den Quantenzustand verändert, rekonstruiert die Quantentomographie den wahrscheinlichen Zustand vor der Messung. * Das Prinzip * 1. Ein Zustand * 2. Viele Messungen an Zustandskopien * 3. Rekonstruktion des Gesamtzustandes vor der Messung (de)
  • Quantum tomography or quantum state tomography is the process by which a quantum state is reconstructed using measurements on an ensemble of identical quantum states. The source of these states may be any device or system which prepares quantum states either consistently into quantum pure states or otherwise into general mixed states. To be able to uniquely identify the state, the measurements must be tomographically complete. That is, the measured operators must form an operator basis on the Hilbert space of the system, providing all the information about the state. Such a set of observations is sometimes called a quorum. (en)
  • Квантовая томография — часть квантовой информатики. Квантовая томография занимается восстановлением амплитуд квантового состояния по результатам его многократных измерений, и нахождением оптимальных схем таких измерений. Если — набор комплексных чисел, сумма квадратов модулей которых равна 1, то по ним однозначно можно построить квантовое состояние вида (ru)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/MarginalDistribution.png
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