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SUMMARY:Emergence of resonant waves in cigar-shaped Bose-Einstein condensa
 tes
DTSTART;VALUE=DATE-TIME:20121018T124500Z
DTEND;VALUE=DATE-TIME:20121018T131500Z
DTSTAMP;VALUE=DATE-TIME:20261011T001646Z
UID:indico-contribution-197@indico.ipb.ac.rs
DESCRIPTION:Speakers: Alexandru Nicolin (Horia Hulubei National Institute 
 for Physics and Nuclear Engineering)\nMotivated by the continuous interest
  shown to the nonlinear dynamics of quantum gases we present in this talk 
 the emergence of resonant waves in cigar-shaped Bose-Einstein condensates 
 using which has been reported in Ref. [1].\n\nWe introduce the analytic tr
 eatment of the dynamics of a trapped\,  quasi-one-dimensional Bose-Einstei
 n condensate subject to resonant and nonresonant periodic modulation of th
 e transverse confinement. The dynamics of the condensate is described vari
 ationally through a set of coupled ordinary differential equations\, and t
 he period of the excited waves is determined analytically using a Mathieu-
 type analysis. For a modulation frequency equal to that of the radial conf
 inement we show that the predicted period of the resonant wave is in agree
 ment with the existing experimental results. Finally\, we present a detail
 ed comparison between the resonant waves and the Faraday waves that emerge
  outside of resonance.\n\n[1] A.I. Nicolin\, Phys. Rev. E 84\, 056202 (201
 1).\n\nhttps://events.saifa.rs/event/291/contributions/197/
LOCATION:National Library of Serbia
URL:https://events.saifa.rs/event/291/contributions/197/
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