Quantum Gases in Quasi-One-Dimensional Arrays
Seiten
2008
Scuola Normale Superiore (Verlag)
978-88-7642-319-2 (ISBN)
Scuola Normale Superiore (Verlag)
978-88-7642-319-2 (ISBN)
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.
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.
Erscheint lt. Verlag | 15.2.2008 |
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Reihe/Serie | Publications of the Scuola Normale Superiore ; 5 | Theses (Scuola Normale Superiore) |
Zusatzinfo | XVI, 168 p. |
Verlagsort | Pisa |
Sprache | englisch |
Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Allgemeines / Lexika |
Naturwissenschaften ► Physik / Astronomie ► Festkörperphysik | |
Naturwissenschaften ► Physik / Astronomie ► Theoretische Physik | |
ISBN-10 | 88-7642-319-2 / 8876423192 |
ISBN-13 | 978-88-7642-319-2 / 9788876423192 |
Zustand | Neuware |
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