Characteristics of Fractons: from Specific Realizatioons to Ensemble Averages
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概要
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Specific realizations due to computer experiments show that fracton excitationspossess a core in which the vibrational amplitudes fall off sharply at their edges.When constructing the ensemble average of the fracton wave functions, we find<:..>-exp [ -(r/.4(u))"], where Auto) -ctt "". The exponent, -0.71, is in close agree-ment with the prediction of the fracton dispersion law for a two-dimensionalpercolating network, -0.705, and the geometrical exponent #.is much larger thancurrent theoretical limits for impurity electronic states. This suggests that the twoproblems are different.
- 社団法人日本物理学会の論文
- 1989-06-15
著者
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YAKUBO Kousuke
Department of Applied Physics, Hokkaido University
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Yakubo Kousuke
Department Of Applied Physics Graduate School Of Engineering Hokkaido University
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Yakubo Kousuke
Department Of Applied Physics Hokkaido University
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NAKAYAMA Tsuneyoshi
Department of Applied Physics, Hokkaido University
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Nakayama Tsuneyoshi
Department Of Applied Phusics Faculty Of Engineering Hokkaido University
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Orbach R
Univ. California California
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ORBACH Raymond
Department of Physics,University of California
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