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Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.063616
Abstract: We consider superfluid hydrodynamics of two-dimensional Bose-Einstein condensates. Interpreting the curvature of the macroscopic condensate wave function as an effective gravity in such a superfluid universe, we argue for a superfluid equivalence principle: that the…
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Keywords:
gravitational vortex;
vortex mass;
superfluid universe;
mass ... See more keywords