Published May 4, 1992 | Version v1
Journal article

Superfluid density and the Drude weight of the Hubbard model

  • 1. Department of Physics, University of California, Santa Barbara, California 93106-9530 (United States)
  • 2. Department of Physics, University of California, Irvine, California 92717 (United States)
  • 3. IBM Research Division, Almaden Research Center, San Jose, California 95120 (United States)

Description

We study the superfluid density and the Drude weight of the Hubbard model by investigating two different limiting behaviors of the current-current correlation function. These quantities provide criteria which allow one to distinguish between superconducting, metallic, and insulating ground states of an interacting many-body system. Monte Carlo calculations are performed to study these quantities

Additional details

Publishing Information

Journal Title
Physical Review Letters
Journal Volume
68
Journal Issue
18
Series
Phys. Rev. Lett.
Journal Page Range
2830-2833
ISSN
0031-9007
CODEN
PRLTA