Macroscopic superpositions of phase states with Bose-Einstein condensates (Articolo in rivista)

Type
Label
  • Macroscopic superpositions of phase states with Bose-Einstein condensates (Articolo in rivista) (literal)
Anno
  • 2008-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.78.051601 (literal)
Alternative label
  • Piazza, F; Pezze, L; Smerzi, A (2008)
    Macroscopic superpositions of phase states with Bose-Einstein condensates
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Piazza, F; Pezze, L; Smerzi, A (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 78 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • \"[Piazza, F.; Smerzi, A.] Univ Trent, CNR INFM BEC Ctr, I-38050 Trento, Italy; [Piazza, F.; Smerzi, A.] Univ Trent, Dipartimento Fis, I-38050 Trento, Italy; [Pezze, L.] Inst Opt, F-91127 Palaiseau, France (literal)
Titolo
  • Macroscopic superpositions of phase states with Bose-Einstein condensates (literal)
Abstract
  • Quantum superpositions of macroscopically distinguishable states having distinct phases can be created with a Bose-Einstein condensate trapped in a periodic potential. The experimental signature is contained in the phase distribution of the interference patterns obtained after releasing the traps. Moreover, in the double-well case, this distribution exhibits a dramatic dependence on the parity of the total number of atoms. We finally show that, for single-well occupations up to a few hundred atoms, the macroscopic quantum superposition can be robust enough against decoherence to be experimentally revealable within current technology. (literal)
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