This study demonstrates that a trapped Bose-Einstein condensate at very low temperature can rotate at angular velocities higher than the oscillator frequencies in a regime of dynamical equilibrium. The occurrence of an overcritical branch where the system can rotate with angular velocity larger than the oscillator frequencies is highlighted.
Overcritical Rotation of a Trapped Bose-Einstein Condensate
Recati, A.Primo
;Zambelli, F.;Stringari, S.
2001
Abstract
This study demonstrates that a trapped Bose-Einstein condensate at very low temperature can rotate at angular velocities higher than the oscillator frequencies in a regime of dynamical equilibrium. The occurrence of an overcritical branch where the system can rotate with angular velocity larger than the oscillator frequencies is highlighted.File in questo prodotto:
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OvercriticalPhysRevLett.86.377.pdf
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