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Bogoliubov-Cherenkov radiation in an atom laser

Henson, Bryce; Yue, Xuguang; Hodgman, Sean; Shin, Dong Ki (David); Smirnov, Lev A; Ostrovskaya, Elena; Guan, Xi-Wen; Truscott, Andrew


We develop a simple yet powerful technique to study Bogoliubov-Cherenkov radiation by producing a pulsed atom laser from a strongly confined Bose-Einstein condensate. Such radiation results when the atom laser pulse falls past a Bose-Einstein condensate at high-hypersonic speeds, modifying the spatial profile to display a characteristic twin jet structure and a complicated interference pattern. The experimental observations are in excellent agreement with mean-field numerical simulations and an...[Show more]

CollectionsANU Research Publications
Date published: 2018-06-04
Type: Journal article
Source: Physical Review A
DOI: 10.1103/PhysRevA.97.063601
Access Rights: Open Access


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