Quantum Measurement Bounds beyond the Uncertainty Relations (Articolo in rivista)

Type
Label
  • Quantum Measurement Bounds beyond the Uncertainty Relations (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevLett.108.260405 (literal)
Alternative label
  • Giovannetti, Vittorio; Lloyd, Seth; Maccone, Lorenzo (2012)
    Quantum Measurement Bounds beyond the Uncertainty Relations
    in Physical review letters (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giovannetti, Vittorio; Lloyd, Seth; Maccone, Lorenzo (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 108 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 26 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Scuola Normale Superiore di Pisa; Consiglio Nazionale delle Ricerche (CNRNANO); Massachusetts Institute of Technology (MIT); Istituto Nazionale di Fisica Nucleare (literal)
Titolo
  • Quantum Measurement Bounds beyond the Uncertainty Relations (literal)
Abstract
  • In quantum mechanics, the Heisenberg uncertainty relations and the Cramer-Rao inequalities typically limit the precision in the estimation of a parameter through the standard deviation of a conjugate observable. Here we extend these relations by giving a bound to the precision of a parameter in terms of the expectation value of the conjugate observable. This has both foundational and practical consequences: in quantum optics it resolves a controversy over which is the ultimate precision in interferometry. (literal)
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