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35 papers · 1 filter
Analysis of Geometric Disaster Evaluation Model for Physical Networks
Hiroshi Saito
A geometric model of a physical network affected by a disaster is proposed and analyzed using integral geometry (geometric probability). This analysis provides a theoretical method…
Full information maximum likelihood estimation in factor analysis with a lot of missing values
Kei Hirose, Sunyong Kim, Yutaka Kano +3
We consider the problem of full information maximum likelihood (FIML) estimation in a factor analysis model when a majority of the data values are missing. The expectation-maximiza…
Loss-tolerant quantum cryptography with imperfect sources
Kiyoshi Tamaki, Marcos Curty, Go Kato +2
In principle, quantum key distribution (QKD) offers unconditional security based on the laws of physics. In practice, flaws in the state preparation undermine the security of QKD s…
Hydrogen storage with titanium-functionalized graphene
Torge Mashoff, Makoto Takamura, Shinichi Tanabe +3
We report on hydrogen adsorption and desorption on titanium-covered graphene in order to test theoretical proposals to use of graphene functionalized with metal atoms for hydrogen…
Tuning of quantum interference in top-gated graphene on SiC
Andrea Iagallo, Shinichi Tanabe, Stefano Roddaro +3
We report on quantum-interference measurements in top-gated Hall bars of monolayer graphene epitaxially grown on the Si face of SiC, in which the transition from negative to positi…
An on-chip coupled resonator optical waveguide single-photon buffer
Hiroki Takesue, Nobuyuki Matsuda, Eiichi Kuramochi +2
Integrated quantum optical circuits are now seen as one of the most promising approaches with which to realize single photon quantum information processing. Many of the core elemen…