Universal Subgap Optical Conductivity in Quasi-One-Dimensional Peierls Systems

Kim, K, McKenzie, RH and Wilkins, JW (1993) Universal Subgap Optical Conductivity in Quasi-One-Dimensional Peierls Systems. Physical Review Letters, 71 24: 4015-4018. doi:10.1103/PhysRevLett.71.4015

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Author Kim, K
McKenzie, RH
Wilkins, JW
Title Universal Subgap Optical Conductivity in Quasi-One-Dimensional Peierls Systems
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 1993-12-01
Year available 1993
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.71.4015
Open Access Status File (Publisher version)
Volume 71
Issue 24
Start page 4015
End page 4018
Total pages 4
Place of publication COLLEGE PK
Language eng
Abstract Quasi-one-dimensional Peierls systems with quantum and thermal lattice fluctuations can be modeled by a Dirac-type equation with a Gaussian-correlated off-diagonal disorder. A powerful new method gives the exact disorder-averaged Green function used to compute the optical conductivity. The strong subgap tail of the conductivity has a universal scaling form. The frequency and temperature dependence of the calculated spectrum agrees with experiments on KCP(Br) and trans-polyacetylene.
Keyword Polyacetylene
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: ResearcherID Downloads - Archived
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