Zobrazeno 1 - 10
of 301
pro vyhledávání: '"Yakubo K"'
Using a geographical scale-free network to describe relations between people in a city, we explain both superlinear and sublinear allometric scaling of urban indicators that quantify activities or performances of the city. The urban indicator $Y(N)$
Externí odkaz:
http://arxiv.org/abs/1401.3956
Publikováno v:
Appl. Phys. Lett. 89, 221503 (2006)
Coupled plasmon modes are studied in graded plasmonic waveguides, which are periodic chains of metallic nanoparticles embedded in a host with gradually varying refractive indices. We identify three types of localized modes called "light", "heavy", an
Externí odkaz:
http://arxiv.org/abs/cond-mat/0610453
Publikováno v:
Appl. Phys. Lett. 88, 241111 (2006)
A new mechanism of longitudinal confinement of optical energy via coupled plasmon modes is proposed in chains of noble metal nanoparticles embedded in a graded dielectric medium, which is analogous to the confinement of electrons in semiconductor qua
Externí odkaz:
http://arxiv.org/abs/cond-mat/0604611
Publikováno v:
Phys. Rev. B 73, 054201 (2006)
We have identified a new type of transition from extended to localized vibrational states in one-dimensional graded elastic chains of coupled harmonic oscillators, in which the vibrating masses or nearest-coupling force constants vary linearly along
Externí odkaz:
http://arxiv.org/abs/cond-mat/0512149
Autor:
Obuse, H., Yakubo, K.
Publikováno v:
J. Phys. Soc. Jpn. Suppl. 74, 242 (2005)
We study spatial structures of anomalously localized states (ALS) in tail regions at the critical point of the Anderson transition in the two-dimensional symplectic class. In order to examine tail structures of ALS, we apply the multifractal analysis
Externí odkaz:
http://arxiv.org/abs/cond-mat/0411628
Autor:
Obuse, H., Yakubo, K.
Publikováno v:
Phys. Rev. B 69, 125301 (2004)
Anomalously localized states (ALS) at the critical point of the Anderson transition are studied for the SU(2) model belonging to the two-dimensional symplectic class. Giving a quantitative definition of ALS to clarify statistical properties of them,
Externí odkaz:
http://arxiv.org/abs/cond-mat/0405470
Autor:
Obuse, H., Yakubo, K.
Publikováno v:
Phys. Rev. B 71, 035102 (2005)
We study the level-spacing distribution function $P(s)$ at the Anderson transition by paying attention to anomalously localized states (ALS) which contribute to statistical properties at the critical point. It is found that the distribution $P(s)$ fo
Externí odkaz:
http://arxiv.org/abs/cond-mat/0405429
Autor:
Obuse, H., Yakubo, K.
Publikováno v:
J. Phys. Soc. Jpn. 73, 2164 (2004)
We study the box-measure correlation function of quantum states at the Anderson transition point with taking care of anomalously localized states (ALS). By eliminating ALS from the ensemble of critical wavefunctions, we confirm, for the first time, t
Externí odkaz:
http://arxiv.org/abs/cond-mat/0405387
Akademický článek
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Publikováno v:
In Physica B: Physics of Condensed Matter 15 May 2007 394(2):262-266
