Journal
EPL
Volume 88, Issue 4, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1209/0295-5075/88/40007
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- Yale
- DOE
- NSF
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It has been realized that fractals may be characterized by complex dimensions, arising from complex poles of the corresponding zeta function, and we show here that these lead to oscillatory behavior in various physical quantities. We identify the physical origin of these complex poles as the exponentially large degeneracy of the iterated eigenvalues of the Laplacian, and discuss applications in quantum mesoscopic systems such as oscillations in the fluctuation Sigma(2)(E) of the number of levels, as a correction to results obtained in random matrix theory. We present explicit expressions for these oscillations for families of diamond fractals, also studied as hierarchical lattices. Copyright (C) EPLA, 2009
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