The validity of a key theorem in physics for Bose-Einstein condensates has been confirmed by researchers at the University of Bonn. The physicists at the University of Bonn have experimentally demonstrated that a crucial theorem in statistical physics is applicable to Bose-Einstein condensates. Thi
Bose-Einstein condensates are a state of matter predicted by Albert Einstein and Indian physicist Satyendra Nath Bose in the 1920s. In this state, a group of bosons, which are particles with integer spin, collapses into the same quantum state, behaving as a single entity. This results in a unique set of properties, including zero viscosity and zero resistance to flow, that are not observed in other states of matter.
Photons – can be “swallowed” by the dye molecules and later “spat out” again. The more likely this is, the more the photon number fluctuates. Credit: J. Schmitt/University of Bonn In a liquid at a finite temperature, molecules move back and forth at random. The warmer the liquid, the more pronounced are these thermal fluctuations. Bose-Einstein condensates can also fluctuate: The number of condensed particles varies. And this fluctuation also increases with rising temperature.
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