The dimer-RVB State of the Four-Leg Heisenberg Ladder: Interference among Resonances
classification
❄️ cond-mat.str-el
keywords
dimer-rvbinterferenceladderresonancesstateansatzbesidesbond
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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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