How cold atoms could realize a quantum Newton cradle (Comunicazione a convegno)

Type
Label
  • How cold atoms could realize a quantum Newton cradle (Comunicazione a convegno) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Alternative label
  • Ruggero Vaia, Roberto Franzosi (2014)
    How cold atoms could realize a quantum Newton cradle
    in XIX Convegno Nazionale di Fisica Statistica e dei Sistemi Complessi, Parma, 25-27 June 2014
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Ruggero Vaia, Roberto Franzosi (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • TalK. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.fis.unipr.it/stat/PARMA2014/participants.php (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ISC-CNR, via Madonna del Piano 10, 50019 Sesto Fiorentino (FI) INFN, Sezione di Firenze, via G. Sansone 1, I-50019 Sesto Fiorentino (FI) QSTAR e INO-CNR, largo E.Fermi 2, 50125 Firenze (FI) (literal)
Titolo
  • How cold atoms could realize a quantum Newton cradle (literal)
Abstract
  • A possible experimental realization of a quantum analogue of Newton's cradle is proposed starting from a Bose-Einstein condensate of atoms with two internal states, say 0 and 1. They are trapped in a one-dimensional tube with a superimposed periodic potential. Inducing a strong repulsion (Tonks-Girardeau regime) the lattice wells can contain one atom only and the dynamics is ruled by the second-order process of the exchange between neighboring 0- and 1-atoms. Assuming an initial state made of 0-atoms, a 1-atom injected in the chain tunnels back and forth between its ends. The phenomenon of dispersion can rapidly deteriorate a perfect propagation, but with slight modifications of the setup it is possible to obtain a quasi-ideal quantum cradle. (literal)
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