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18 papers · 1 filter
Rigid Fuchsian systems in 2-dimensional conformal field theories
Vladimir Belavin, Yoshishige Haraoka, Raoul Santachiara
We investigate Fuchsian equations arising in the context of 2-dimensional conformal field theory (CFT) and we apply the Katz theory of Fucshian rigid systems to solve some of these…
Bent Electronic Band Structure Induced by Ferroelectric Polarization
Norihiro Oshime, Jun Kano, Eiji Ikenaga +9
Bent band structures have been empirically described in ferroelectric materials to explain the functioning of recently developed ferroelectric tunneling junction and photovoltaic d…
Big-Bang nucleosynthyesis: constraints on nuclear reaction rates, neutrino degeneracy, inhomogeneous and Brans-Dicke models
Riou Nakamura, Masa-aki Hasahimoto, Ryotaro Ichimasa +1
We review the recent progress in the Big-Bang nucleosynthesis which includes the standard and non-standard theory of cosmology, effects of neutrino degeneracy, and inhomogeneous nu…
Performance test of QU-fitting in cosmic magnetism study
Yoshimitsu Miyashita, Shinsuke Ideguchi, Shouta Nakagawa +2
QU-fitting is a standard model-fitting method to reconstruct distribution of magnetic fields and polarized intensity along a line of sight (LOS) from an observed polarization spect…
The variance of dispersion measure of high-redshift transient objects as a probe of ionized bubble size during reionization
Shintaro Yoshiura, Keitaro Takahashi
The dispersion measure (DM) of high-redshift transient objects such as Fast Radio Bursts can be a powerful tool to probe the intergalactic medium during the Epoch o…
Cosmic Magnetism in Centimeter and Meter Wavelength Radio Astronomy
Takuya Akahori, Hiroyuki Nakanishi, Yoshiaki Sofue +13
Magnetic field is ubiquitous in the Universe and it plays essential roles in various astrophysical phenomena, yet its real origin and evolution are poorly known. This article revie…