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...
Үндсэн зохиолчид: | Pearson, C, Barford, W, Bursill, R |
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Формат: | Journal article |
Хэл сонгох: | English |
Хэвлэсэн: |
2010
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