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9 papers · 1 filter
Non-Asymptotic Analysis of Privacy Amplification via Renyi Entropy and Inf-Spectral Entropy
Shun Watanabe, Masahito Hayashi
This paper investigates the privacy amplification problem, and compares the existing two bounds: the exponential bound derived by one of the authors and the min-entropy bound deriv…
51V-NMR study of antiferromagnetic state and spin dynamics in the quasi-one-dimensional BaCo2V2O8
Yukiichi Ideta, Yu Kawasaki, Yutaka Kishimoto +5
We report on our 51V-NMR study of static and dynamical magnetic properties in the quasi-one-dimensional antiferromagnet BaCo2V2O8. Although the NMR spectrum shows well-defined anti…
Expurgation Exponent of Leaked Information in Privacy Amplification for Binary Sources
Shun Watanabe
We investigate the privacy amplification problem in which Eve can observe the uniform binary source through a binary erasure channel (BEC) or a binary symmetric channel (BSC). For…
Possibility of Gravitational Tempering in Colloidal Epitaxy to Obtain a Perfect Crystal
Atsushi Mori, Yoshihisa Suzuki, Shigeki Matsuo
We have performed Monte Carlo simulations of hard spheres on a pattern under gravity. We have found that a crystal formed at a moderate gravity strength contains essentially no def…
Penetration depth study of LaOsSb: Multiband s-wave superconductivity
X. Y. Tee, H. G. Luo, T. Xiang +6
We measured the magnetic penetration depth in single crystals of LaOsSb (=0.74 K) down to 85 mK using a tunnel diode oscillator technique. The observed low…
Optimal-observable Analysis of Possible Non-standard Top-quark Couplings in pp -> t t-bar X -> l^+ X'
Zenro HIOKI, Kazumasa OHKUMA
Possible non-standard top-quark interactions with the gluon and the W boson induced by SU(3) X SU(2) X U(1) gauge-invariant dimension-6 effective operators are studied for hadron-c…