SCOPUS 정보 검색 플랫폼

Volumn 74, Issue 17, 1995, Pages 3352-3355

Stable, tightly confining magnetic trap for evaporative cooling of neutral atoms

Author keywords

[No Author keywords available]

Indexed keywords

EID: 11944272373 PISSN: 00319007 EISSN: None Source Type: Journal
DOI: 10.1103/PhysRevLett.74.3352 Document Type: Article

Times cited : (482)

References (19)

3
- 0001424482
- For a recent optical cooling result see
- (1994) Phys. Rev. Lett. , vol.72 , pp. 3158
- Davidson, N.¹ Lee, H.-J.² Kasevich, M.³ Chu, S.⁴

5
- 0002421575
- M. Ducloy, E. Giacobini, G. Camy, World Scientific, Singapore
- (1992) Laser Spectroscopy X, , pp. 77
- Wieman, C.¹ Monroe, C.² Cornell, E.³

9
- 77956724954
- Quantized motion of atoms in a quadrupole magnetostatic trap
- For a quantum calculation of the loss rate at extremely low temperatures see, 24, 347, A. Antillón, A. Góngora, T. H. Seligman, Z. Phys. D
- (1989) Journal of the Optical Society of America B , vol.6 , pp. 2249
- Bergeman, T.H.¹ McNicholl, P.² Kyacia, J.³ Metcalf, H.⁴ Balazs, N.L.⁵

11
- 84975659947
- Behavior of atoms in a compressed magneto-optical trap
- (1994) Journal of the Optical Society of America B , vol.11 , pp. 1332
- Petrich, W.¹ Anderson, M.H.² Ensher, J.R.³ Cornell, E.A.⁴

14
- 36049055027
- (1968) Phys. Rev. , vol.170 , pp. 91
- Major, F.G.¹ Dehmelt, H.²

16
- 84927501227
- Variations across the cloud in the phase and amplitude of the small-amplitude circular motion, coupled with the secular motion of atoms through the cloud, will give rise to a very small viscous heating associated with each intra-trap collision. The scale of the velocity variation across the cloud is given by the ratio of the size of the cloud to the radius of the hole orbit, times the speed of the circular motion. As an atom moves across the cloud, there is a small amount of hysteresis, whose fractional scale is given by the trap frequency over the field rotation frequency, such that when short-range pairwise collisions take place the collision velocity will have an additive term of order δvcirc=(ωt/ωb)(l/R0)μBq′/mωb. This extra velocity, which gives rise to viscous heating, is for the present TOP parameters very small compared to (for instance) the zero-point motion of a hypothetical Bose condensate confined in the TOP trap.

17
- 84927505563
- (private communication). See also, TRIUMF Report No. TRI-PP-94-83
- (1994)
- Wieman, C.E.¹ Shapiro, V.²

18
- 84927494888
- There are limits to the amount the bias field may be safely reduced. As the bias field is lowered, the oscillation frequencies in the TOP will no longer be much smaller than ωb, calling into question the validity of time averaging the potential. Furthermore, for very low bias fields the Larmor frequency will no longer be much larger than ωb, and the possibility of nonadiabatic flip loss is resurrected.

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