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Quantized lattice dynamic effects on the Peierls transition of the extended Hubbard-Peierls model

Abstract:

The density matrix renormalization group method is used to investigate the Peierls transition for the extended Hubbard model coupled to quantized phonons. Following our earlier work on spin-Peierls systems, we use a phonon spectrum that interpolates between a gapped, dispersionless (Einstein) limit and a gapless, dispersive (Debye) limit to investigate the entire frequency range. A variety of theoretical probes are used to determine the quantum phase transition, including energy gap crossing,...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.83.195105

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
Physical Review B More from this journal
Volume:
83
Issue:
19
Publication date:
2011-05-04
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
Language:
English
Pubs id:
pubs:146644
UUID:
uuid:07c9d6a7-3c85-44b5-8de8-0a5e8f120da6
Local pid:
pubs:146644
Source identifiers:
146644
Deposit date:
2012-12-19

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