Some Properties of the Spin-Polarized Attractive Hubbard Model

• Authors: A. Kujawa , R. Micnas
• Languages of publication: EN

Abstracts

EN

The influence of a Zeeman magnetic field on the superconducting characteristics of the attractive Hubbard model was investigated. The ground state and temperature phase diagrams were obtained for a fixed number of particles. Two critical magnetic fields were found for the first order phase transition from the superconducting to the normal state for n ≠ 1. For some range of parameters a reentrant transition was found and gapless superconductivity was obtained. The significance of the Hartree term was also analyzed.

Keywords

EN

71.10.Fd   74.20.Rp   71.27.+a   71.10.Hf  

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2009
• Volume: 115
• Issue: 1
• Pages: 138-140

Dates

published

2009-01

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Identifiers

DOI

10.12693/APhysPolA.115.138