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QUANTUM METROLOGY WITHOUT QUANTUM ENTANGLEMENT

Abstract:

We scrutinize the role of quantum entanglement in quantum metrology and discuss recent advances in nonlinear quantum metrology that allow improved scalings of the measurement precision with respect to the available resources. Such schemes can surpass the conventional Heisenberg limited scaling of 1/N of quantum enhanced metrology. Without investing in the preparation of entangled states, we review how systems with intrinsic nonlinearities such as BoseEinstein condensates and light-matter inte...

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Publication status:
Published

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Publisher copy:
10.1142/S0217984912300104

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
Journal:
MODERN PHYSICS LETTERS B More from this journal
Volume:
26
Issue:
18
Pages:
1230010-1230010
Publication date:
2012-07-20
DOI:
EISSN:
1793-6640
ISSN:
0217-9849
Language:
English
Keywords:
Pubs id:
pubs:341559
UUID:
uuid:cf072131-53f0-47f1-bcb7-5058e951d83a
Local pid:
pubs:341559
Source identifiers:
341559
Deposit date:
2012-12-19

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