902 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP376 papers
- RIKENJP189 papers
- Kyoto UniversityJP168 papers
- Institute of Space and Astronautical ScienceJP140 papers
- Japan Aerospace Exploration AgencyJP132 papers
- Tokyo Institute of TechnologyJP129 papers
- Nagoya UniversityJP127 papers
- Hiroshima UniversityJP117 papers
- Tokyo University of ScienceJP105 papers
- The University of OsakaJP100 papers
- Goddard Space Flight CenterUS96 papers
- Tohoku UniversityJP96 papers
61 papers · 1 filter
Isotropic parallel antiferromagnetism in the magnetic-field-induced charge-ordered state of SmRuP caused by - hybridization
T. Matsumura, S. Michimura, T. Inami +12
Nature of the field-induced charge ordered phase (phase II) of SmRuP has been investigated by resonant x-ray diffraction (RXD) and polarized neutron diffraction (PND), f…
Detection of the hard X-ray non-thermal emission from Kepler's supernova remnant
Tsutomu Nagayoshi, Aya Bamba, Satoru Katsuda +1
We report the first robust detection of the hard X-ray emission in the 15--30\,keV band from Kepler's supernova remnant with the silicon PIN-type semiconductor detector of the hard…
SUPER IV. CO(J=3-2) properties of active galactic nucleus hosts at cosmic noon revealed by ALMA
C. Circosta, V. Mainieri, I. Lamperti +23
Feedback from AGN is thought to be key in shaping the life cycle of their host galaxies by regulating star-formation activity. Therefore, to understand the impact of AGN on star fo…
Understanding the Memory Window Overestimation of 2D Materials Based Floating Gate Type Memory Devices by Measuring Floating Gate Voltage
Taro Sasaki, Keiji Ueno, Takashi Taniguchi +3
The memory window of floating gate (FG) type non-volatile memory (NVM) devices is a fundamental figure of merit used not only to evaluate the performance, such as retention and end…
All 2D Heterostructure Tunnel Field Effect Transistors: Impact of Band Alignment and Heterointerface Quality
Keigo Nakamura, Naoka Nagamura, Keiji Ueno +3
Van der Waals heterostructures are the ideal material platform for tunnel field effect transistors (TFETs) because a band-to-band tunneling (BTBT) dominant current is feasible at r…
The Cosmic-Ray Composition between 2 PeV and 2 EeV Observed with the TALE Detector in Monocular Mode
Telescope Array Collaboration
We report on a measurement of the cosmic ray composition by the Telescope Array Low-Energy Extension (TALE) air fluorescence detector (FD). By making use of the Cherenkov light sig…
Solving the Bethe-Salpeter equation with exponential convergence
Markus Wallerberger, Hiroshi Shinaoka, Anna Kauch
The Bethe-Salpeter equation plays a crucial role in understanding the physics of correlated fermions, relating to optical excitations in solids as well as resonances in high-energy…
Connection among stochastic Hamilton-Jacobi-Bellman equation, path-integral, and Koopman operator on nonlinear stochastic optimal control
Jun Ohkubo
The path-integral control, which stems from the stochastic Hamilton-Jacobi-Bellman equation, is one of the methods to control stochastic nonlinear systems. This paper gives a new i…
Origin of the in-orbit instrumental background of the Hard X-ray Imager onboard Hitomi
Kouichi Hagino, Hirokazu Odaka, Goro Sato +43
Understanding and reducing the in-orbit instrumental backgrounds are essential to achieving high sensitivity in hard X-ray astronomical observations. The observational data of the…
GroundBIRD : A CMB polarization experiment with MKID arrays
Kyungmin Lee, Jihoon Choi, Ricardo Tanausú Génova-Santos +31
GroundBIRD is a ground-based experiment for the precise observation of the polarization of the cosmic microwave background (CMB). To achieve high sensitivity at large angular scale…
Low X-ray Efficiency of a Young High-B Pulsar PSR J1208-6238 Observed with Chandra
Aya Bamba, Eri Watanabe, Koji Mori +4
High magnetic field (high-B) pulsars are key sources to bridge magnetars and conventional rotation powered pulsars, and thus to understand the origin of magnetar activities. We hav…
Development and operation of an electrostatic time-of-flight detector for the Rare RI storage Ring
D. Nagae, Y. Abe, S. Okada +28
An electrostatic time-of-flight detector named E-MCP has been developed for quick diagnostics of circulating beam and timing measurement in mass spectrometry at the Rare-RI Ring in…
Motion Generation Using Bilateral Control-Based Imitation Learning with Autoregressive Learning
Ayumu Sasagawa, Sho Sakaino, Toshiaki Tsuji
Robots that can execute various tasks automatically on behalf of humans are becoming an increasingly important focus of research in the field of robotics. Imitation learning has be…
Radial-velocity search and statistical studies for short-period planets in the Pleiades open cluster
Takuya Takarada, Bun'ei Sato, Masashi Omiya +2
We report radial-velocity search for short-period planets in the Pleiades open cluster. We observed 30 Pleiades member stars at the Okayama Astrophysical Observatory (OAO) with Hig…
Total reaction cross section on a deuteron target and the eclipse effect of the constituent neutron and proton
W. Horiuchi, Y. Suzuki, T. Uesaka +1
Background: Eclipse effect of the neutron and proton in a deuteron target is essential to correctly describe high-energy deuteron scattering. The nucleus-deuteron scattering needs…
Charge disproportionation in the spin-liquid candidate -(ET)Cu(CN) at 6 K revealed by Cu NQR measurements
T. Kobayashi, Q. -P. Ding, H. Taniguchi +3
The spin-liquid candidate -(ET)Cu(CN) [ET: bis(ethylenedithio)tetrathiafulvalene] does not exhibit magnetic ordering down to a very low temperature, but shows a myst…
SUPER III. Broad Line Region properties of AGN at z2
G. Vietri, V. Mainieri, D. Kakkad +27
The SINFONI survey for Unveiling the Physics and Effect of Radiative feedback (SUPER) was designed to conduct a blind search for AGN-driven outflows on X-ray selected AGN at redshi…
Observations of the Origin of Downward Terrestrial Gamma-Ray Flashes
J. W. Belz, P. R. Krehbiel, J. Remington +137
In this paper we report the first close, high-resolution observations of downward-directed terrestrial gamma-ray flashes (TGFs) detected by the large-area Telescope Array cosmic ra…
Revealing the spectroscopic variations of FU Orionis object V960 Mon with high-resolution spectroscopy
Yuhei Takagi, Satoshi Honda, Akira Arai +3
We present the results of the high-resolution spectroscopy of the FU Orionis-type star V960 Mon. The brightness of V960 Mon decreased continuously after the outburst was detected i…
A significant excess in major merger rate for AGNs with the highest Eddington ratios at z<0.2
V. Marian, K. Jahnke, I. Andika +16
Observational studies are increasingly finding evidence against major mergers being the dominant mechanism responsible for triggering AGN. After studying the connection between maj…
Mass measurements for -shell nuclei Ti, Cr, Mn, Fe, Co and Ni
C. Y. Fu, Y. H. Zhang, M. Wang +26
By using isochronous mass spectrometry (IMS) at the experimental cooler storage ring CSRe, masses of short-lived Cr, Mn, Fe, Co and Ni were measu…
Multi-wavelength photometry during the 2018 superoutburst of the WZ Sge-type dwarf nova EG Cancri
Mariko Kimura, Keisuke Isogai, Taichi Kato +45
We report on the multi-wavelength photometry of the 2018 superoutburst in EG Cnc. We have detected stage A superhumps and long-lasting late-stage superhumps via the optical photome…
Sparse modeling of large-scale quantum impurity models with low symmetries
Hiroshi Shinaoka, Yuki Nagai
Quantum embedding theories provide a feasible route for obtaining quantitative descriptions of correlated materials. However, a critical challenge is solving an effective impurity…
Automorphic vector bundles on the stack of -zips
Naoki Imai, Jean-Stefan Koskivirta
For a connected reductive group over a finite field, we study automorphic vector bundles on the stack of -zips. In particular, we give a formula in the general case for the…