Coherence properties
W. Ketterle and H.-J. Miesner:
Coherence properties of Bose-Einstein condensates and atom lasers.
Phys. Rev. A 56, 3291-3293 (1997).
Summary (pdf) Paper (pdf, 57 kB)

Sound propagation
M.R. Andrews, D.M. Kurn, H.-J. Miesner, D.S. Durfee, C.G. Townsend, S. Inouye,
and W. Ketterle:
Propagation of sound in a Bose-Einstein condensate.
Phys. Rev. Lett. 79, 549-552 (1997);  Erratum: Phys. Rev. Lett. 80, 2967 (1998).
Summary (pdf) Paper (pdf, 152 kB) Erratum (pdf, 62 kB) Images

Two-step BEC
N.J. van Druten and W. Ketterle:
Two-step condensation of the ideal Bose gas in highly anisotropic traps.
Phys. Rev. Lett. 79, 553-556 (1997).
Summary (pdf) Paper (pdf, 131 kB)

BEC interference
M.R. Andrews, C.G. Townsend, H.-J. Miesner, D.S. Durfee, D.M. Kurn, and W. Ketterle:
Observation of interference between two Bose condensates.
Science 275, 637-641 (1997).
Summary (pdf) Paper (pdf, 582 kB)
Animation (361 kB) Images The atom laser @ MIT

Output coupler
M.-O. Mewes, M.R. Andrews, D.M. Kurn, D.S. Durfee, C.G. Townsend, and W. Ketterle:
Output coupler for Bose-Einstein condensed atoms.
Phys. Rev. Lett. 78, 582-585 (1997)..
Summary (pdf) Paper (pdf, 119 kB)
Animation 1 (514 kB) Animation 2 (1.72 MB) The atom laser @ MIT