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25 papers · 1 filter
Evidence of Magnetically Driven Structural Phase Transition in Parent Compounds RFeAsO (R = La, Sm, Gd, Tb): study of low-temperature X-ray diffraction
Yongkang Luo, Qian Tao, Yuke Li +10
We report measurements of structural phase transition of four parent compounds FeAsO ( = La, Sm, Gd, and Tb) by means of low-temperature X-ray diffraction (XRD). Magnetic tra…
Physical Point Simulation in 2+1 Flavor Lattice QCD
CS Collaboration, S. Aoki, K. -I. Ishikawa +12
We present the results of the physical point simulation in 2+1 flavor lattice QCD with the nonperturbatively -improved Wilson quark action and the Iwasaki gauge action at $β=…
Convergence of the Approximation scheme to American option pricing via the discrete Morse semiflow
Katsuyuki Ishii, Seiro Omata
We consider the approximation scheme of the American call option via the discrete Morse semiflow. It is the minimizing scheme of a time-semidiscretized variational functional. In t…
Finite-Range Scaling Method to Analyze Systems with Infinite-Range Interactions
Ken-Ichi Aoki, Tamao Kobayashi, Hiroshi Tomita
We propose a new practical method for evaluating the critical coupling constant in one-dimensional long-range interacting systems. We assume a finite-range scaling and define its e…
Tropical Nevanlinna theory and second main theorem
Ilpo Laine, Kazuya Tohge
We present a version of the tropical Nevanlinna theory for real-valued, continuous, piecewise linear functions on the real line. In particular, a tropical version of the second mai…
Relativistic Spectra of Hot Black-Hole Winds
Naoko Sumitomo, Hideki Saito, Jun Fukue +1
We examine hybrid thermal-nonthermal synchrotron spectra from a spherically symmetric, optically-thin wind, taking into account the relativistic effect. In the relativistic flow fr…