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This content will become publicly available on April 6, 2017

Title: Vortex line in the unitary Fermi gas

Here, we report diffusion Monte Carlo results for the ground state of unpolarized spin-1/2 fermions in a cylindrical container and properties of the system with a vortex-line excitation. The density profile of the system with a vortex line presents a nonzero density at the core. We also calculate the ground-state energy per particle, the superfluid pairing gap, and the excitation energy per particle. Finally, these simulations can be extended to calculate the properties of vortex excitations in other strongly interacting systems such as superfluid neutron matter using realistic nuclear Hamiltonians.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. Univ. of Campinas (UNICAMP), Sao Paulo (Brazil). Inst. of Physics Gleb Wataghin; Arizona State Univ., Tempe, AZ (United States). Dept. of Physics and Astronomy
  2. Univ. of Campinas (UNICAMP), Sao Paulo (Brazil). Inst. of Physics Gleb Wataghin
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Theoretical Division
  4. Arizona State Univ., Tempe, AZ (United States). Dept. of Physics and Astronomy
Publication Date:
OSTI Identifier:
1335613
Report Number(s):
LA-UR--15-28315
Journal ID: ISSN 2469-9926; PLRAAN
Grant/Contract Number:
AC52-06NA25396; AC02-05
Type:
Accepted Manuscript
Journal Name:
Physical Review A
Additional Journal Information:
Journal Volume: 93; Journal Issue: 4; Journal ID: ISSN 2469-9926
Publisher:
American Physical Society (APS)
Research Org:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Atomic and Nuclear Physics