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Ring dark solitons and vortex necklaces in Bose-Einstein condensates
Dark soliton condensate cluster vortex pair oscillation
2014/12/29
We introduce the concept of ring dark solitons in Bose-Einstein condensates. We show that relatively shallow rings are not subject to the snake instability, but a deeper ring splits into a robust ring...
Nonequilibrium dynamics and superfluid ring excitations in binary bose-einstein condensates
Condensate non-equilibrium component separation dynamics oscillation
2014/12/25
We revisit a classic study [D. S. Hall et al., Phys. Rev. Lett. 81, 1539 (1998)] of interpenetrating Bose-Einstein condensates in the hyperfine states |F=1,mf=-1⟩≡|1⟩ and |F=2,mf=+...
Movie Review: The Fellowship of the Ring. J.R.R. Tolkien
Movie Review The Fellowship of the Ring. J.R.R. Tolkien
2009/9/30
This review, however, will not focus on the plot, acting or even the
special effects; though, all of these were exceptionally good. Instead, this
review will examine how ethical dilemmas are port...
The Distribution of Time Spent by a Standard Excursion Above a Given Level, with Applications to Ring Polymers near a Discontinuity in Potential
Standard Brownian Excursions Brownian Bridges Ring Polymers End-Attached Polymers
2009/5/8
The law for the time tau_{a} spent by a standard Brownian excursion above a given level a>0 is found using Ito excursion theory. This is achieved by conditioning the excursion to have exactly one mark...