TY - JOUR
T1 - Realistic model for a quantum reflection trap
AU - Jurisch, Alexander
AU - Friedrich, Harald
N1 - Funding Information:
We thank the Deutsche Forschungsgemeinschaft for supporting this work (Az: Fr 591/12-1). We are very grateful to Javier Madronero for enlightening discussions and numerical support.
PY - 2006/1/9
Y1 - 2006/1/9
N2 - We examine the possibility of trapping ultra-cold atoms solely by quantum reflection in front of the walls of a cavity. Using a model potential with realistic threshold properties, we calculate the enhancement of the survival probability in the trap compared to the decay of a freely spreading wave-packet. Under conditions close to a recent experiment [T.A. Pasquini, Y. Shin, C. Sanner, M. Saba, A. Schirotzek, D.E. Pritchard, W. Ketterle, Phys. Rev. Lett. 93 (2004) 223201], an enhancement factor near 100 and surviving fractions of 10-20% are obtained after a time of 0.4 s.
AB - We examine the possibility of trapping ultra-cold atoms solely by quantum reflection in front of the walls of a cavity. Using a model potential with realistic threshold properties, we calculate the enhancement of the survival probability in the trap compared to the decay of a freely spreading wave-packet. Under conditions close to a recent experiment [T.A. Pasquini, Y. Shin, C. Sanner, M. Saba, A. Schirotzek, D.E. Pritchard, W. Ketterle, Phys. Rev. Lett. 93 (2004) 223201], an enhancement factor near 100 and surviving fractions of 10-20% are obtained after a time of 0.4 s.
UR - http://www.scopus.com/inward/record.url?scp=29544447523&partnerID=8YFLogxK
U2 - 10.1016/j.physleta.2005.09.014
DO - 10.1016/j.physleta.2005.09.014
M3 - Article
AN - SCOPUS:29544447523
SN - 0375-9601
VL - 349
SP - 230
EP - 235
JO - Physics Letters, Section A: General, Atomic and Solid State Physics
JF - Physics Letters, Section A: General, Atomic and Solid State Physics
IS - 1-4
ER -