Auxiliary Fermion Linearized t-J Model

Danani, Andrea and Zanardi, P (1995) Auxiliary Fermion Linearized t-J Model. Modern Physics Letters B, 9 (30). pp. 1873-1886. ISSN 0217-9849

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The Auxiliary Fermion linearization scheme is applied to the ferromagnetic t-J model. Spectrum and self-consistency equations are obtained. The numerical analysis shows the existence of solutions describing metallic as well as magnetic phases of different kind. Their interplay is discussed.

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