Identities and Many-Body Approaches in Bose-Einstein Condensates

24 Jul 2019 Watabe Shohei

This paper discusses exact relations in Bose--Einstein condensates (BECs), starting from basic properties of an ideal Bose gas. In particular, focused on are the Hugenholtz--Pines relation, Nepomnyashchii--Nepomnyashchii identity, and identities for the density response function... (read more)

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