Frontier Research Institute for Interdisciplinary Sciences, Tohoku University

output

20142023

most citedFirst M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon

683 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing 2022Show all

30 papers · 1 filter

hep-ph2022★ 60 cited

Stability of domain wall network with initial inflationary fluctuations, and its implications for cosmic birefringence

Diego Gonzalez, Naoya Kitajima, Fuminobu Takahashi +1

We study the formation and evolution of domain walls with initial inflationary fluctuations by numerical lattice calculations that, for the first time, correctly take into account…

astro-ph.HE2022★ 13 cited

Simultaneous Radio and Optical Polarimetry of GRB 191221B Afterglow

Yuji Urata, Kenji Toma, Stefano Covino +16

Gamma-ray bursts (GRBs) are the most luminous transients in the universe and are utilized as probes of early stars, gravitational wave counterparts, and collisionless shock physics…

astro-ph.HE2022★ 12 cited

Actinide-boosting r Process in Black Hole-Neutron Star Merger Ejecta

Shinya Wanajo, Sho Fujibayashi, Kota Hayashi +3

We examine nucleosynthesis in the ejecta of black hole-neutron star mergers based on the results of long-term neutrino-radiation-magnetohydrodynamics simulations for the first time…

cond-mat.str-el2022★ 17 cited

Distinct spin and orbital dynamics in Sr $_{2}$ RuO $_{4}$

H. Suzuki, L. Wang, J. Bertinshaw +13

The unconventional superconductor Sr $_{2}$ RuO $_{4}$ has long served as a benchmark for theories of correlated-electron materials. The determination of the superconducting pairing mecha…

astro-ph.GA2022★ 13 cited

Extreme nature of four blue-excess dust-obscured galaxies revealed by optical spectroscopy

Akatoki Noboriguchi, Tohru Nagao, Yoshiki Toba +13

We report optical spectroscopic observations of four blue-excess dust-obscured galaxies (BluDOGs) identified by Subaru Hyper Suprime-Cam. BluDOGs are a sub-class of dust-obscured g…

hep-ex2022★ 15 cited

First measurement of the strange axial coupling constant using neutral-current quasielastic interactions of atmospheric neutrinos at KamLAND

KamLAND Collaboration, S. Abe, S. Asami +61

We report a measurement of the strange axial coupling constant $g_{A}^{s}$ using atmospheric neutrino data at KamLAND. This constant is a component of the axial form factor of the neut…

astro-ph.HE2022★ 5 cited

Modeling Hadronic Gamma-ray Emissions from Solar Flares and Prospects for Detecting Non-thermal Signatures from Protostars

Shigeo S. Kimura, Shinsuke Takasao, Kengo Tomida

We investigate gamma-ray emission in the impulsive phase of solar flares and the detectability of non-thermal signatures from protostellar flares. Energetic solar flares emit high-…

astro-ph.HE2022★ 55 cited

Neutrinos from the Brightest Gamma-Ray Burst?

Kohta Murase, Mainak Mukhopadhyay, Ali Kheirandish +2

We discuss implications that can be obtained by searches for neutrinos from the brightest gamma-ray burst, GRB 221009A. We derive constraints on GRB model parameters such as the co…

hep-ph2022★ 33 cited

Wash-in leptogenesis after axion inflation

Valerie Domcke, Kohei Kamada, Kyohei Mukaida +2

CP violation and the violation of baryon-minus-lepton number B-L do not necessarily have to occur simultaneously in order to accomplish successful leptogenesis. Instead, it suffice…

hep-ph2022★ 27 cited

Formation of hot spots around small primordial black holes

Minxi He, Kazunori Kohri, Kyohei Mukaida +1

In this paper, we investigate the thermalization of Hawking radiation from primordial black holes (PBHs) in the early Universe, taking into account the interference effect on therm…

quant-ph2022★ 24 cited

Increased success probability in Hardy's nonlocality: Theory and demonstration

Duc Minh Tran, Van-Duy Nguyen, Le Bin Ho +1

Depending on the way one measures, quantum nonlocality might manifest more visibly. Using basis transformations and interactions on a particle pair, Hardy logically argued that any…

cond-mat.mes-hall2022★ 7 cited

Enhancement of Spin-Charge Conversion Efficiency for Co $_{3}$ Sn $_{2}$ S $_{2}$ across Transition from Paramagnetic to Ferromagnetic Phase

Takeshi Seki, Yong-Chang Lau, Junya Ikeda +5

Co $_{3}$ Sn $_{2}$ S $_{2}$ (CSS) is one of the shandite compounds and becomes a magnetic Weyl semimetal candidate below the ferromagnetic phase transition temperature ($\textit{T}_\te…

hep-ph2022★ 24 cited

Cascades of high-energy SM particles in the primordial thermal plasma

Kyohei Mukaida, Masaki Yamada

High-energy standard model (SM) particles in the early Universe are generated by the decay of heavy long-lived particles. The subsequent thermalization occurs through the splitting…

astro-ph.HE2022★ 11 cited

Synchrotron Polarization of Gamma-Ray Burst Afterglow Shocks with Hydrodynamic-scale Turbulent Magnetic Field

Asuka Kuwata, Kenji Toma, Shigeo S. Kimura +2

Afterglows of gamma-ray bursts (GRBs) are emitted from expanding forward shocks, which are expected to have magnetic field much stronger than the interstellar field, although the o…

astro-ph.GA2022★ 11 cited

A Wide and Deep Exploration of Radio Galaxies with Subaru HSC (WERGS). VII. Redshift Evolution of Radio Galaxy Environments at z=0.3-1.4

Hisakazu Uchiyama, Takuji Yamashita, Tohru Nagao +9

We examine the redshift evolution of density environments around 2,163 radio galaxies with the stellar masses of $\sim 1 0^{9} - 1 0^{12} M_{⊙}$ between redshifts of $z = 0.3 - 1.4$ , base…

cond-mat.mes-hall2022★ 3 cited

Magneto-Seebeck coefficient of Fermi-liquid in three-dimensional Dirac/Weyl semimetal

F. R. Pratama, Riichiro Saito, Nguyen T. Hung

We investigate dissipationless magneto-Seebeck effect in three-dimensional Dirac/Weyl semimetal. The Hall resistivity $ρ_{y x}$ and thermoelectric Hall coefficient $α_{x y}$ exhibit…

astro-ph.CO2022★ 44 cited

Power spectrum of domain-wall network and its implications for isotropic and anisotropic cosmic birefringence

Naoya Kitajima, Fumiaki Kozai, Fuminobu Takahashi +1

Recently, based on a novel analysis of the Planck satellite data, a hint of a uniform rotation of the polarization of cosmic microwave background photons, called isotropic cosmic b…

physics.geo-ph2022★ 27 cited

Abundances of uranium and thorium elements in Earth estimated by geoneutrino spectroscopy

S. Abe, S. Asami, M. Eizuka +64

The decay of the primordial isotopes $^{238} U$ , $^{235} U$ , $^{232} Th$ , and $^{40} K$ have contributed to the terrestrial heat budget throughout t…

astro-ph.HE2022★ 8 cited

High-energy Gamma-rays from Magnetically Arrested Disks in Nearby Radio Galaxies

Riku Kuze, Shigeo S. Kimura, Kenji Toma

The origins of the GeV gamma-rays from nearby radio galaxies are unknown. Hadronic emission from magnetically arrested disks (MADs) around central black holes (BHs) is proposed as…

eess.SP2022★ 19 cited

Randomized Group-Greedy Method for Large-Scale Sensor Selection Problems

Takayuki Nagata, Keigo Yamada, Kumi Nakai +2

The randomized group-greedy method and its customized method for large-scale sensor selection problems are proposed. The randomized greedy sensor selection algorithm is applied str…

hep-ph2022★ 42 cited

Gravitational production of dark photon dark matter with mass generated by the Higgs mechanism

Takanori Sato, Fuminobu Takahashi, Masaki Yamada

We study the gravitational production of dark photon dark matter during inflation, when dark photons acquire mass by the Higgs mechanism. In the previous study, it was assumed that…

astro-ph.HE2022★ 6 cited

Search for supernova neutrinos and constraint on the galactic star formation rate with the KamLAND data

S. Abe, S. Asami, M. Eizuka +63

We present the results of a search for core-collapse supernova neutrinos, using long-term KamLAND data from 2002 March 9 to 2020 April 25. We focus on the electron antineutrinos em…