Calculating the properties of a quantum particle in a box is something most physics students have to do as part of their degree course – but actually creating such a simple system in the lab can be an experimental challenge. Now, however, physicists in the UK are the first to create a Bose–Einstein condensate (BEC) in a 3D optical-box trap, which resembles a tin can. The breakthrough could allow physicists to study a range of multi-body physics phenomena in controlled conditions.
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