Journal
COMMUNICATIONS IN THEORETICAL PHYSICS
Volume 72, Issue 7, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1572-9494/ab8a2a
Keywords
dipolar gas; impurity; effective interaction; roton excitation
Categories
Funding
- NSFC [11 674 334, 11 974 363, 11 947 302]
- Strategic Priority Research Program of CAS [XDB28000000]
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We investigate the effective interaction between two heavy impurities immersed in a quasi-two-dimensional dipolar Bose-Einstein condensate via a variation approach. We show that the mediated interaction is highly tunable via the contact and the dipole-dipole interactions between the background gas atoms. Interestingly, the mediated interaction potential may become an oscillating function of inter-impurity distance when roton excitation emerges under sufficiently strong dipolar interaction. Our system therefore provides an efficient way for tuning the mediated interaction between impurities.
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