The dimer-RVB State of the Four-Leg Heisenberg Ladder: Interference among Resonances

Details The dimer-RVB State of the Four-Leg Heisenberg Ladder: Interference among Resonances The dimer-RVB State of the Four-Leg Heisenberg Ladder: Interference among Resonances

1999-04-20

arxiv.org/abs/cond-mat/9904286v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, RevTex, 7 eps figs

Scientific paper

10.1103/PhysRevB.60.12134

We study the ground state of the 4-leg spin ladder using a dimer-RVB ansatz
and the Lanczos method. Besides the well known resonance mechanism between
valence bond configurations we find novel interference effects among nearby
resonances.

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