scholarly journals Free expansion of a Bose–Einstein condensate in the presence of a thermal cloud

2010 ◽  
Vol 43 (10) ◽  
pp. 105303 ◽  
Author(s):  
Krzysztof Gawryluk ◽  
Mirosław Brewczyk ◽  
Mariusz Gajda ◽  
Kazimierz Rzążewski
Keyword(s):  
Einstein Condensate ◽  
Free Expansion ◽  
Bose Einstein Condensate ◽  
Bose Einstein

scholarly journals Free expansion of a Bose-Einstein condensate in a one-dimensional optical lattice

2002 ◽  
Vol 66 (2) ◽  
Author(s):  
O. Morsch ◽  
M. Cristiani ◽  
J. H. Müller ◽  
D. Ciampini ◽  
E. Arimondo
Keyword(s):  
Optical Lattice ◽  
Einstein Condensate ◽  
Free Expansion ◽  
One Dimensional ◽  
Bose Einstein Condensate ◽  
Bose Einstein

scholarly journals Modified uncertainty principle from the free expansion of a Bose–Einstein condensate

2016 ◽  
Vol 32 (02) ◽  
pp. 1750007 ◽  
Author(s):  
Elías Castellanos ◽  
Celia Escamilla-Rivera
Keyword(s):  
Uncertainty Principle ◽  
Planck Scale ◽  
Einstein Condensate ◽  
Particle Energy ◽  
Interparticle Interactions ◽  
Free Expansion ◽  
Bose Einstein Condensate ◽  
Theoretical And Numerical Analysis ◽  
Bose Einstein ◽  
Natural Way

In this paper, we present a theoretical and numerical analysis of the free expansion of a Bose–Einstein condensate, where we assume that the single particle energy spectrum is deformed due to a possible quantum structure of spacetime. Also, we consider the presence of interparticle interactions in order to study more realistic and specific scenarios. The modified free velocity expansion of the condensate leads in a natural way to a modification of the uncertainty principle, which allows us to investigate some possible features of the Planck scale regime in low-energy earth-based experiments.

Free expansion of a Bose-Einstein condensate from an Ioffe-Pritchard magnetic trap

1998 ◽  
Vol 67 (6) ◽  
pp. 719-722 ◽  
Author(s):  
U. Ernst ◽  
J. Schuster ◽  
F. Schreck ◽  
A. Marte ◽  
A. Kuhn ◽  
...  
Keyword(s):  
Magnetic Trap ◽  
Einstein Condensate ◽  
Free Expansion ◽  
Bose Einstein Condensate ◽  
Bose Einstein

Bose–Einstein condensation in a QUIC trap

2004 ◽  
Vol 82 (2) ◽  
pp. 81-102 ◽  
Author(s):  
B Lu ◽  
W A van Wijngaarden
Keyword(s):  
Optical Trap ◽  
Einstein Condensate ◽  
Einstein Condensation ◽  
Magneto Optical Trap ◽  
Energy Minimum ◽  
Free Expansion ◽  
Trap Energy ◽  
Bose Einstein Condensation ◽  
Bose Einstein Condensate ◽  
Bose Einstein

The apparatus and procedure required to generate a pure Bose-Einstein condensate (BEC) consisting of about half a million 87Rb atoms at a temperature of <60 nK with a phase density of >54 is described. The atoms are first laser cooled in a vapour cell magneto-optical trap (MOT) and subsequently transferred to an ultra-low pressure MOT. The atoms are loaded into a QUIC trap consisting of a pair of quadrupole coils and a Ioffe coil that generates a small finite magnetic field at the trap energy minimum to suppress Majorana transitions. Evaporation induced by an RF field lowers the temperature permitting the transition to BEC to be observed by monitoring the free expansion of the atoms after the trapping fields have been switched off.PACS Nos.: 03.75.Fi, 05.30.Jp, 32.80.Pj, 64.60.–i

Sign in / Sign up

Export Citation Format

Share Document