[en] We study multifractal properties of wave functions for a one-parameter family of quantum maps displaying the whole range of spectral statistics intermediate between integrable and chaotic statistics. We perform extensive numerical computations and provide analytical arguments showing that the generalized fractal dimensions are directly related to the parameter of the underlying classical map, and thus to other properties such as spectral statistics. Our results could be relevant for Anderson and quantum Hall transitions, where wave functions also show multifractality.
Disciplines :
Physics
Author, co-author :
Martin, John ; Université de Liège - ULiège > Département de physique > Physique des atomes froids
Giraud, O.; Laboratoire de Physique Théorique, Université de Toulouse, UPS, CNRS, 31062 Toulouse France
Georgeot, B.; Laboratoire de Physique Théorique, Université de Toulouse, UPS, CNRS, 31062 Toulouse France
Language :
English
Title :
Multifractality and intermediate statistics in quantum maps
Publication date :
2008
Journal title :
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
ISSN :
1539-3755
eISSN :
1550-2376
Publisher :
American Physical Society, College Park, United States - Maryland
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