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60 papers · 1 filter
Tip Oscillation of Dendritic Patterns in a Phase Field Model
Hidetsugu Sakaguchi, Seiji Tokunaga
We study dendritic growth numerically with a phase field model. Tip oscillation and regular side-branching are observed in a parameter region where the anisotropies of the surface…
CP Violation in the Higgs Sector and Phase Transition in the MSSM
K. Funakubo, S. Tao, F. Toyoda
We investigate the electroweak phase transition in the presence of a large CP violation in the squark sector of the MSSM. When the CP violation is large, scalar-pseudoscalar mixing…
Free product actions and their applications
Yoshimichi Ueda
A review of our recent works on free product actions, partly in collaborations with Dimitri Shlyakhtenko and with Fumio Hiai, is given. We also work out type III theoretic subfacto…
Automorphisms of free product-type and their crossed-products
Fumio Hiai, Yoshimichi Ueda
A continuous family of non-outer conjugate aperiodic automorphisms whose crossed-products are all isomorphic is given on every interpolated free group factor. An explicit "duality"…
P-Process Nucleosynthesis inside Supernova-Driven Supercritical Accretion Disks
S. Fujimoto, M. Hashimoto, O. Koike +2
We investigate p-process nucleosynthesis in a supercritical accretion disk around a compact object of 1.4 M_solar, using the self-similar solution of an optically thick advection d…
Yet another correlation in the analysis of CP violation using a neutrino oscillation experiment
Toshihiko Ota, Joe Sato
We investigate the effect induced by variations in the density profile of the Earth's interior using a long-baseline neutrino oscillation experiment. At first, we point out two fac…