Ian Jauslin

Bose-Einstein condensation and the Simplified Approach to interacting Bosons

Ian Jauslin



These are lecture notes for a short course on the Simplified Approach to interacting Bosons. We discuss properties of systems of many interacting Bosons, such as gasses of Helium atoms. We pay special attention to the phenomenon of Bose-Einstein condensation, which is a quantum phase in which a positive fraction of particles are all in the same state. We first give an overview of Bose-Einstein condensation in non-interacting systems. Next, we introduce the Simplified Approach, and prove some of its properties.



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