Physics 112, Fall 2010, Section 1: Holzapfel Problem Set 9 (4 Problems). Due Wednesday, November 10 , 5 PM Problem 1 : Chemical potential versus concentration Kittel 7.13 Problem 2 : Two orbital boson system Kittel 7.14 Problem 3 : Bose Einstein Condensation with Rb 87 Consider a collection of 10 4 atoms of Rb 87, conﬁned inside a box of volume 10-15 m 3 . a) Calculate ε0 , the energy of the ground state. b) Calculate the Einstein temperature and compare it with ε0 . c) Suppose that T =0 . 9 T E . How many atoms are in the ground state? How close is the chemical potential
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