Condensate fraction of a resonant Fermi gas with spin-orbit coupling in three and two dimensions
Year: 2011
Authors: Dell’Anna L., Mazzarella G., Salasnich L.
Autors Affiliation: Univ Padua, Dipartimento Fis Galileo Galilei, I-35122 Padua, Italy;
Univ Padua, CNISM, I-35122 Padua, Italy
Abstract: We study the effects of laser-induced Rashba-like spin-orbit coupling along the Bardeen-Cooper-Schrieffer-Bose-Einstein condensate (BCS-BEC) crossover of a Feshbach resonance for a two-spin-component Fermi gas. We calculate the condensate fraction in three and two dimensions and find that this quantity characterizes the crossover better than other quantities, like the chemical potential or the pairing gap. By considering both the singlet and the triplet pairings, we calculate the condensate fraction and show that a large-enough spin-orbit interaction enhances the singlet condensate fraction in the BCS side while suppressing it on the BEC side.
Journal/Review: PHYSICAL REVIEW A
Volume: 84 (3) Pages from: 033633 to: 033633
KeyWords: ultracold atoms; bcs-bec crossover; DOI: 10.1103/PhysRevA.84.033633ImpactFactor: 2.878Citations: 56data from “WEB OF SCIENCE” (of Thomson Reuters) are update at: 2024-11-10References taken from IsiWeb of Knowledge: (subscribers only)Connecting to view paper tab on IsiWeb: Click hereConnecting to view citations from IsiWeb: Click here