Entangled States of Atomic Solitons for Quantum Metrology

The formation of multiparticle maximally path-entangled states (known as N 00 N -states) are considered along with their use in quantum metrology. It is shown how the standard quantum limit can be overcome and the Heisenberg limit can be reached when measuring the linear phase shift. It is also show...

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Bibliographic Details
Published inBulletin of the Russian Academy of Sciences. Physics Vol. 84; no. 3; pp. 254 - 257
Main Authors Tsarev, D. V., Ngo, V. T., Alodjants, A. P.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.03.2020
Springer Nature B.V
Subjects
Entangled states
Hadrons
Heavy Ions
Linear phase
Metrology
Nuclear Physics
Physics
Physics and Astronomy
Solitary waves
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Summary:The formation of multiparticle maximally path-entangled states (known as N 00 N -states) are considered along with their use in quantum metrology. It is shown how the standard quantum limit can be overcome and the Heisenberg limit can be reached when measuring the linear phase shift. It is also shown how the Heisenberg limit can be overcome when measuring the parameters of a medium in nonlinear quantum metrology.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873820030235