Mohammad Reza Bakhtiari

Quantum Gases in Quasi-One-Dimensional Arrays

• Broschiertes Buch

Produktbeschreibung

The experimental achievement of Bose-Einstein condensation (1995) and of Fermi degeneracy (1999) in ultra-cold, dilute gases has opened a new field in atomic physics and condensed matter physics. In this thesis, first we present an overview of theoretical and experimental facts on ultra-cold atomic gases. We then describe a Green's function scheme to study coherent transport by fermions through a one-dimensional array of potential wells. Within this scheme different geometries for the array like single-period, double-period and Fibonacci-ordered quasi-periodic array, will be considered. In continue a novel spin-density-functional approach will be introduced to study the ground-state of a one-dimensional trapped Fermi gases inside one-dimensional optical lattices. This approach enables us to investigate both repulsive and attractive Fermi gases within a local-spin-density approximation. We analyze different phases caused by spin-dependent trap for repulsive gas and also by spin-imbalanced population for attractive gas.

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Produktdetails

• Publications of the Scuola Normale Superiore 5
• Verlag: Edizioni Della Normale / Scuola Normale Superiore / Springer, Berlin
• Artikelnr. des Verlages: 12205462, 978-88-7642-319-2
• 2008 edition
• Seitenzahl: 168
• Erscheinungstermin: 15. Februar 2008
• Englisch
• Abmessung: 238mm x 156mm x 20mm
• Gewicht: 378g
• ISBN-13: 9788876423192
• ISBN-10: 8876423192
• Artikelnr.: 23391530

Inhaltsangabe

Preface.- 1. Reviews on Ultra-cold quantum gases.- 2. Theory of matter transport in quasi-1D arrays.- 3. Density-functional theory of 1D Fermi gases.- 4. Ultra-cold attractive fermions in 1D optical lattices.