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PhD
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Pure estimators and extrapolation
Contents
3D-1D crossover of a trapped Bose gas
Subsections
Introduction
Theory
Model Hamiltonian
Relevant parameters and DMC approach
Mean-field approach
1D system: local density approximation
1D system: beyond local density approximation
Results
Small system, medium scattering length
Small system, small scattering length
Small system, large scattering length
Large system
Radial size of the system
Conclusions
G.E. Astrakharchik 15-th of December 2004
