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Portrait of Stephanie Reimann

Stephanie Reimann

Professor

Portrait of Stephanie Reimann

Magnetic phases of one-dimensional lattices with 2-4 fermions per site

Author

  • J-P Nikkarila
  • M Koskinen
  • Stephanie Reimann
  • M Manninen

Summary, in English

We study the spectral and magnetic properties of one-dimensional lattices filled with 2-4 fermions (with spin-1/2) per lattice site. We use a generalized Hubbard model that takes into account all the interactions on a lattice site, and solve the many-particle problem by exact diagonalization. We find an intriguing magnetic phase diagram which includes ferromagnetism, spin-1 Heisenberg antiferromagnetism and orbital antiferromagnetism.

Department/s

  • Mathematical Physics

Publishing year

2008

Language

English

Pages

14-063013

Publication/Series

New Journal of Physics

Volume

10

Document type

Journal article

Publisher

IOP Publishing

Topic

  • Physical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1367-2630