Rapidly rotating Bose-Einstein condensatesâ Alexander Fetter ...
Rapidly rotating Bose-Einstein condensatesâ Alexander Fetter ...
Rapidly rotating Bose-Einstein condensatesâ Alexander Fetter ...
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Hence TF wave function depends explicitly on Ω through<br />
the altered radial trap frequency ω⊥ 2 → ω2 ⊥ − )<br />
Ω2<br />
|Ψ(r, z)| 2 = n(0)<br />
(1 − r2<br />
− z2<br />
Rz<br />
2<br />
where<br />
R 2 ⊥ =<br />
2µ<br />
M(ω 2 ⊥ − Ω2 )<br />
R 2 ⊥<br />
and R 2 z = 2µ<br />
Mω 2 z<br />
• for pure harmonic trap, must have Ω < ω ⊥ to retain<br />
radial confinement<br />
• normalization ∫ dV |Ψ| 2 = N shows that<br />
( ) 2/5<br />
µ(Ω)<br />
µ(0) = 1 − Ω2<br />
ω⊥<br />
2<br />
in three dimensions<br />
• central density given by n(0) = µ(Ω)/g<br />
• n(0) decreases with increasing Ω because of reduced<br />
radial confinement<br />
22