Quantum metrology with Bose-Einstein condensates

Journal Article · Mon Apr 13 00:00:00 EDT 2009 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3131366· OSTI ID:21301064

Boixo, Sergio ^[1]; Datta, Animesh ^[2]; Davis, Matthew J ^[3]; Flammia, Steven T ^[4]; Shaji, Anil; Tacla, Alexandre B; Caves, Carlton M ^[5]

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1. Institute for Quantum Information, Caltech, Pasadena, California, 91125 (United States)
2. Institute for Mathematical Sciences, 53 Prince's Gate, Imperial College, London, SW7 2PG (United Kingdom)
3. School of Physical Sciences, University of Queensland, Brisbane, Queensland 4072 (Australia)
4. Perimeter Institute for Theoretical Physics, 31 Caroline Street N., Waterloo, ON N2L 2Y5 (Canada)
5. Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM, 87131 (United States)

We show how a generalized quantum metrology protocol can be implemented in a two-mode Bose-Einstein condensate of n atoms, achieving a sensitivity that scales better than 1/n and approaches 1/n{sup 3/2} for appropriate design of the condensate.

• OSTI ID: 21301064
• Journal Information: AIP Conference Proceedings, Vol. 1110, Issue 1; Conference: 9. international conference on QCMC (Quantum Communication, Measurement and Computing), Calgary (Canada), 19-24 Aug 2008; Other Information: DOI: 10.1063/1.3131366; (c) 2009 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ATOMS
BOSE-EINSTEIN CONDENSATION
QUANTUM COMPUTERS
QUANTUM MECHANICS
SENSITIVITY