Journal
EPL
Volume 101, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/101/60009
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Funding
- Danish Agency for Science, Technology, and Innovation under the Danish Council for Independent Research - Natural Sciences
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We consider the problem of two heavy impurity particles embedded in a gas of weakly interacting light mass bosonic particles in the condensed state. Using the Bogoliubov approach to describe the bosonic gas and the Born-Oppenheimer approximation for the three-body dynamics, we calculate the modification to the heavy-heavy two-body potential due to the presence of the condensate. For the case of resonant interaction between the light bosons and the impurities, we present (semi)-analytical results for the potential in the limit of a large condensate coherence length. In particular, we find a formula for the modification of the Efimov scaling factor due to the presence of a degenerate bosonic gas background. Copyright (C) EPLA, 2013
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