Ground State Spin Structure of Strongly Interacting Disordered 1D Hubbard Model

Details Ground State Spin Structure of Strongly Interacting Disordered 1D Hubbard Model Ground State Spin Structure of Strongly Interacting Disordered 1D Hubbard Model

1999-02-03

arxiv.org/abs/cond-mat/9902053v1

J. Phys. A32 3599 (1999).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, no figures

Scientific paper

10.1088/0305-4470/32/19/310

We study the influence of on-site disorder on the magnetic properties of the
ground state of the infinite U 1D Hubbard model. We find that the ground state
is not ferromagnetic. This is analyzed in terms of the algebraic structure of
the spin dependence of the Hamiltonian. A simple explanation is derived for the
1/N periodicity in the persistent current for this model.

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