Archive for 'Rb2'

Twin-atom beams paper published

Our paper on twin-atom beams has just been published in Nature Physics:

Twin-atom beams
R. Bücker, J. Grond, St. Manz, T. Berrada, Th. Betz, Ch.Koller, U. Hohenester, Th. Schumm, A. Perrin & J. Schmiedmayer
Nature Physics 7 (2011) 608-611 or preprint on arXiv.
Press release at Vienna University of Technology

Coupled one-dimensional Bose gases

Our paper appeared in PRL:

Two-point phase correlations of a one-dimensional bosonic Josephson junction
Thomas Betz, Stephanie Manz, Robert Bücker, Tarik Berrada, Christian Koller,
Georgy Kazakov,Igor E. Mazets, Hans-Peter Stimming, Aurelien Perrin,
Thorsten Schumm, Jörg Schmiedmayer
PRL 106, 020407 (2011) (arXiv 1010.5989)

HBT correlations near the BEC threshold

A new preprint from the Rb2 team has just been published on

Hanbury Brown and Twiss correlations across the Bose-Einstein condensation threshold
Aurélien Perrin, Robert Bücker, Stephanie Manz, Thomas Betz, Christian Koller, Thomas Plisson, Thorsten Schumm, Jörg Schmiedmayer

Twin-atom beams

A new preprint from our experiment has just been published:

Twin-atom beams
Robert Bücker, Julian Grond, Stephanie Manz, Tarik Berrada, Thomas Betz, Christian Koller, Ulrich Hohenester, Thorsten Schumm, Aurélien Perrin, Jörg Schmiedmayer

Experimental "Density Ripples" paper published

Our paper on “density ripple” measurements of two-point correlation in expanding 1D quasicondensate has just been published in PRA:

Stephanie Manz, Robert Bücker, Thomas Betz, Christian Koller, Sebastian Hofferberth, Igor Mazets, A. Imambekov, Eugene Demler, Aurélien Perrin, Jörg Schmiedmayer and Thorsten Schumm
Two-point density correlations of quasicondensates in free expansion

Phys. Rev. A, 2010, Vol. 81(3), pp. 031610

Paper on light sheet fluorescence imaging published

Today, a paper about our fluorescence detection system has been published in NJP:

Bücker, R., Perrin, A., Manz, S., Betz, T., Koller, C., Plisson, T., Rottmann, J., Schumm, T. & Schmiedmayer, J.
Single-particle-sensitive imaging of freely propagating ultracold atoms

New Journal of Physics, 2009, Vol. 11(10), pp. 103039

Density ripples theory published

Our theory paper about density correlations in expanding quasi-condensates has been published in PRA today:

Imambekov, A., Mazets, I.E., Petrov, D.S., Gritsev, V., Manz, S., Hofferberth, S., Schumm, T., Demler, E. & Schmiedmayer, J.
Density ripples in expanding low-dimensional gases as a probe of correlations

Phys. Rev. A, 2009, Vol. 80(3), pp. 033604

Computers take over experimental control!

Today, in APL appeared a paper about an intelligent breed of computers taking over control of a cold atom experiment using their superior genetics skills. In fact, it was our lab. We are not scared.

Rohringer, W., Bücker, R., Manz, S., Betz, T., Koller, C., Göbel, M., Perrin, A., Schmiedmayer, J. & Schumm, T.
Stochastic optimization of a cold atom experiment using a genetic algorithm

Applied Physics Letters, 2008, Vol. 93(26), pp. 264101

Article about multilayer atom chips published

The new atom chip in the Rb II setup is now presented in an APL article:

Trinker, M., Groth, S., Haslinger, S., Manz, S., Betz, T., Schneider, S., Bar-Joseph, I., Schumm, T. & Schmiedmayer, J.
Multilayer atom chips for versatile atom micromanipulation

Applied Physics Letters, 2008, Vol. 92(25), pp. 254102