Quantized lattice dynamic effects on the spin-Peierls transition

The density-matrix renormalization-group method is used to investigate the spin-Peierls transition for Heisenberg spins coupled to quantized phonons. We use a phonon spectrum that interpolates between a gapped, dispersionless (Einstein) limit to a gapless, dispersive (Debye) limit. A variety of theo...

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Main Authors: Pearson, C, Barford, W, Bursill, R
格式: Journal article
语言:English
出版: 2010

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