Multifractal analysis of photoinduced cooperative phenomena

We study the multifractal properties of the geometrical patterns which appear in the initial processes of photoinduced structural change. Employing a model of localized electrons coupled with a single-phonon mode, we calculate the Lipschitz-Holder exponent alpha and singularity spectrum f(alpha) on...

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Bibliographic Details
Published inJournal of physics. Condensed matter Vol. 20; no. 2; pp. 025212 - 025212 (5)
Main Authors Ishida, Kunio, Nasu, Keiichiro
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 16.01.2008
Institute of Physics
Subjects
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electron states
Exact sciences and technology
Physics
Polarons and electron-phonon interactions
Time dependence
Singularity
Localized states
Domain structure
Phonon mode
Photoinduced effect
Schroedinger equation
Electron-phonon interactions
Multifractal system
Excited states
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Summary:We study the multifractal properties of the geometrical patterns which appear in the initial processes of photoinduced structural change. Employing a model of localized electrons coupled with a single-phonon mode, we calculate the Lipschitz-Holder exponent alpha and singularity spectrum f(alpha) on the distribution of excited electronic states and molecular distortion by using the box-counting method, and discuss the temporal behavior of photoinduced domains.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/20/02/025212