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Introduction
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Thesis
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One-body density matrix
Contents
Dilute Bose gas with disorder: perturbation expansion
Subsections
Introduction
Bogoliubov theory in the presence of disorder
Random external potential
Diagonalization of the Hamiltonian
Ground state energy
Quantum depletion of the condensate
One body density matrix
Superfluid density
Connection between
and the transverse current-current response function
Superfluid fraction
in the presence of disorder
calculation of the superfluid fraction from GPE
and the transverse current-current
response function