Adiabatic connection between the RVB State and the ground state of the half filled periodic Anderson model

Details Adiabatic connection between the RVB State and the ground state of the half filled periodic Anderson model Adiabatic connection between the RVB State and the ground state of the half filled periodic Anderson model

1997-06-20

arxiv.org/abs/cond-mat/9706203v1

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, 3 figures Revtex

Scientific paper

10.1088/0953-8984/9/47/005

A one-parameter family of models that interpolates between the periodic
Anderson model with infinite repulsion at half-filling and a model whose ground
state is exactly the Resonating-Valence-Bond state is studied. It is shown
numerically that the excitation gap does not collapse. Therefore the ground
states of the two models are adiabatically connected.

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