Valence Bond Mapping of Antiferromagnetic Spin Chains

Details Valence Bond Mapping of Antiferromagnetic Spin Chains Valence Bond Mapping of Antiferromagnetic Spin Chains

1997-03-18

arxiv.org/abs/cond-mat/9703168v1

Physics

Condensed Matter

10 pages, Revtex

Scientific paper

10.1103/PhysRevB.56.10770

Boson mapping techniques are developed to describe valence bond correlations
in quantum spin chains. Applying the method to the alternating bond hamiltonian
for a generic spin chain, we derive an analytic expression for the transition
points which gives perfect agreement with existing Density Matrix
Renormalization Group (DMRG) and Quantum Monte Carlo (QMC) calculations.

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