Abstract
Department of Physics and Astronomy, Washington State University, Pullman, Washington 99164-2814(Dated: February 1, 2008)We determine the energetically lowest lying states in the BEC-BCS crossover regime of s-waveinteracting two-component Fermi gases under harmonic confinement by solving the many-bodySchr¨odinger equation using two distinct approaches. Essentially exact basis set expansion techniquesare applied to determine the energy spectrum of systems with N= 4 fermions. Fixed-node diffusionMonte Carlo methods are applied to systems with up to N = 20 fermions, and a discussion ofdifferent guiding functions used in the Monte Carlo approach to impose the proper symmetry of thefermionic system is presented. The energies are calculated as a function of the s-wave scatteringlength a
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
