Zobrazeno 1 - 10
of 75 067
pro vyhledávání: '"A, Nishiyama"'
Autor:
Nishiyama, Yoshihiro
Publikováno v:
Eur Phys J B 97 (2024) 145
The square-lattice $J_1$-$J_2$ $XXZ$ model with the ring-exchange interaction $K$ was investigated numerically. As for the hard-core-boson model with the nearest-neighbor hopping $J_1/2$, namely, the $J_1$-$K$ $XY$ model, it has been reported that th
Externí odkaz:
http://arxiv.org/abs/2410.03046
Publikováno v:
Journal of the Optical Society of America B Vol. 41, Issue 10, pp. 2290-2296 (2024)
We measured the transition frequencies of the hyperfine components in the four lines (P(34) 39-0, R(36) 39-0, P(33) 39-0, and R(35) 39-0) of the B-X transitions of molecular iodine at 520.2 nm. The 520.2 nm laser was generated by wavelength-convertin
Externí odkaz:
http://arxiv.org/abs/2409.16522
Autor:
Nishiyama, Katsu, Berezney, John, Norton, Michael M., Aggarwal, Akshit, Ghosh, Saptorshi, Hagan, Michael F., Dogic, Zvonimir, Fraden, Seth
Living things enact control of non-equilibrium, dynamical structures through complex biochemical networks, accomplishing spatiotemporally-orchestrated physiological tasks such as cell division, motility, and embryogenesis. While the exact minimal mec
Externí odkaz:
http://arxiv.org/abs/2408.14414
Autor:
Saida, Hiromi, Matsui, Sena A., Takeuchi, Tsutomu T., Nishiyama, Shogo, Saitou, Rio, Takamori, Yohsuke, Takahashi, Masaaki
We have performed a parametrized post-Newtonian (PPN) test of a black hole spacetime using observational data of the star S0-2/S2 orbiting the massive black hole at our galactic center Sgr A*. After introducing our PPN model of black hole spacetime,
Externí odkaz:
http://arxiv.org/abs/2408.11284
Autor:
Lozi, Julien, Ahn, Kyohoon, Blue, Hannah, Chun, Alicia, Clergeon, Christophe, Deo, Vincent, Guyon, Olivier, Hattori, Takashi, Minowa, Yosuke, Nishiyama, Shogo, Ono, Yoshito, Oya, Shin, Takagi, Yuhei, Vievard, Sebastien, Vincent, Maria
The facility adaptive optics of the Subaru Telescope AO188 recently received some long-awaited upgrades: a new 3224-actuator deformable mirror (DM) from ALPAO (hence the name change to AO3000 or AO3k), an upgraded GPU-based real-time computer, a visi
Externí odkaz:
http://arxiv.org/abs/2407.19188
Autor:
Nishiyama, Yutaka
Hermann discovered the grid illusion in 1870, but its cause has remained a mystery for more than 150 years. In 1960, Baumgartner proposed a hypothesis for the illusion based on neural receptive fields, but Geier presented a counterexample in 2008. In
Externí odkaz:
http://arxiv.org/abs/2408.00782
We develop a 2-D numerical model of magmatism and mantle convection to understand the volcanism on the Procellarum KREEP terrane (PKT) of the Moon, which continued for billions of years with two peaks of activities at 3.5-4 Gyr ago and around 2 Gyr a
Externí odkaz:
http://arxiv.org/abs/2407.07505
Publikováno v:
A&A 689, A190 (2024)
The presence of young massive stars in the Galactic Centre (GC) raises questions about star formation near the black hole Sagittarius A* (Sgr A*). Additionally, the initial mass function (IMF) in this region appears different from the standard Salpet
Externí odkaz:
http://arxiv.org/abs/2406.04166
Deep learning models are susceptible to adversarial attacks, where slight perturbations to input data lead to misclassification. Adversarial attacks become increasingly effective with access to information about the targeted classifier. In the contex
Externí odkaz:
http://arxiv.org/abs/2405.15244
Autor:
Takeishi, Naoki, Nishiyama, Tomohiro, Nagaishi, Kodai, Nashima, Takeshi, Sugihara-Seki, Masako
The deformability of human red blood cells (RBCs), which comprise almost 99% of the cells in whole blood, is largely related not only to pathophysiological blood flow but also to the levels of intracellular compounds. Therefore, statistical estimates
Externí odkaz:
http://arxiv.org/abs/2405.07143