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Limits to phase resolution in matter-wave interferometry
Optical Sciences Center, The University of Arizona, Tucson, Arizona 85721, USA.ORCID iD: 0000-0002-8049-2425
Department of Physics, Tsinghua University, Beijing 100084, China.
Optical Sciences Center, The University of Arizona, Tucson, Arizona 85721, USA.
2004 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 70, no 6, 063612Article in journal (Refereed) Published
Abstract [en]

We study the quantum dynamics of a two-mode Bose-Einstein condensate in a time-dependent symmetric double-well potential using analytical and numerical methods. The effects of internal degrees of freedom on the visibility of interference fringes during a stage of ballistic expansion are investigated varying particle number, nonlinear interaction sign and strength, as well as tunneling coupling. Expressions for the phase resolution are derived and the possible enhancement due to squeezing is discussed. In particular, the role of the superfluid-Mott insulator crossover and its analog for attractive interactions is recognized.

Place, publisher, year, edition, pages
2004. Vol. 70, no 6, 063612
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:du-11212DOI: 10.1103/PhysRevA.70.063612ISI: 000226418900110OAI: oai:DiVA.org:du-11212DiVA: diva2:565611
Available from: 2012-11-07 Created: 2012-11-07 Last updated: 2015-05-05Bibliographically approved

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Jääskeläinen, Markku
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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf