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Article
Shallow pockets and very strong coupling superconductivity in FeSexTe1−x
One proposed explanation of unconventional superconductivity involves describing it in terms of a crossover from a conventional superconducting state to a Bose–Einstein condensate state. Angle-resolved photoel...
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Article
Evidence for an oscillating soliton/vortex ring by density engineering of a Bose–Einstein condensate
Two intriguing shapes that appear in Bose–Einstein condensates are vortex rings and solitons. Experiments now suggest that there can be periodic oscillations between these qualitatively different structures.
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Article
The a.c. and d.c. Josephson effects in a Bose–Einstein condensate
Josephson effects, in which currents 'tunnel' across a thin insulating barrier, were first discovered in a system of two superconductors, the macroscopic wavefunctions of which are weakly coupled via a tunnell...