Core structure of two-dimensional Fermi gas vortices in the BEC-BCS crossover region

Lucas Madeira, Stefano Gandolfi, Kevin Schmidt

Research output: Contribution to journalArticle

7 Scopus citations

Abstract

We report T=0 diffusion Monte Carlo results for the ground-state and vortex excitation of unpolarized spin-1/2 fermions in a two-dimensional disk. We investigate how vortex core structure properties behave over the BEC-BCS crossover. We calculate the vortex excitation energy, density profiles, and vortex core properties related to the current. We find a density suppression at the vortex core on the BCS side of the crossover and a depleted core on the BEC limit. Size-effect dependencies in the disk geometry were carefully studied.

Original languageEnglish (US)
Article number053603
JournalPhysical Review A
Volume95
Issue number5
DOIs
StatePublished - May 2 2017

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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