output
20182026
most citedPolarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

173 citations

20 papers

physics.flu-dyn2026

Extraction of slip velocity in NEMD Couette flow systems using frictional dissipation

Hiroki Kusudo, Yasutaka Yamaguchi, Gota Kikugawa

Velocity slip at the solid--fluid (SF) interface plays a key role in fluid transport at the nanoscale, and the SF friction coefficient has been extensively studied because it indic…

nlin.CD2025

Construction of cubic nonlinear lattice free from umklapp processes

Hiroki Ono, Yusuke Doi, Akihiro Nakatani

We propose a novel type of umklapp-free lattice (UFL), where umklapp processes are completely absent. The proposed UFL incorporates cubic long-range nonlinearity, a feature not add…

cs.RO2025★ 1 cited

Nonlinear Model Predictive Control with Single-Shooting Method for Autonomous Personal Mobility Vehicle

Rakha Rahmadani Pratama, Catur Hilman A. H. B. Baskoro, Joga Dharma Setiawan +4

This paper introduces a proposed control method for autonomous personal mobility vehicles, specifically the Single-passenger Electric Autonomous Transporter (SEATER), using Nonline…

astro-ph.IM2025★ 6 cited

SILVIA: Ultra-precision formation flying demonstration for space-based interferometry

Takahiro Ito, Kiwamu Izumi, Isao Kawano +26

We propose SILVIA (Space Interferometer Laboratory Voyaging towards Innovative Applications), a mission concept designed to demonstrate ultra-precision formation flying between thr…

cs.RO2025★ 1 cited

Interleaved Multitask Learning with Energy Modulated Learning Progress

Hanne Say, Suzan Ece Ada, Emre Ugur +2

As humans learn new skills and apply their existing knowledge while maintaining previously learned information, "continual learning" in machine learning aims to incorporate new dat…

cs.LG2024★ 4 cited

Deep Concept Identification for Generative Design

Ryo Tsumoto, Kentaro Yaji, Yutaka Nomaguchi +1

A generative design based on topology optimization provides diverse alternatives as entities in a computational model with a high design degree. However, as the diversity of the ge…

cs.RO2024

Power in Numbers: Primitive Algorithm for Swarm Robot Navigation in Unknown Environments

Yusuke Tsunoda, Shoken Otsuka, Kazuki Ito +4

Recently, the navigation of mobile robots in unknown environments has become a particularly significant research topic. Previous studies have primarily employed real-time environme…

astro-ph.HE2024★ 35 cited

IXPE observation of PKS 2155-304 reveals the most highly polarized blazar

Pouya M. Kouch, Ioannis Liodakis, Riccardo Middei +133

We report the X-ray polarization properties of the high-synchrotron-peaked (HSP) blazar PKS 2155304 based on observations with the Imaging X-ray Polarimetry Explorer (IXPE). We…

astro-ph.HE2023★ 12 cited

Pulsar-wind-nebula-powered Galactic center X-ray filament G0.13-0.11: Proof of the synchrotron nature by IXPE

Eugene Churazov, Ildar Khabibullin, Thibault Barnouin +103

We report the discovery of X-ray polarization from the X-ray-bright filament. G0.13-0.11 in the Galactic center (GC) region. This filament features a bright, hard X-ray source that…

astro-ph.HE2023★ 43 cited

Magnetic Field Properties inside the Jet of Mrk 421: Multiwavelength Polarimetry Including the Imaging X-ray Polarimetry Explorer

Dawoon E. Kim, Laura Di Gesu, Ioannis Liodakis +133

We conducted a polarimetry campaign from radio to X-ray wavelengths of the high-synchrotron-peak (HSP) blazar Mrk 421, including Imaging X-ray Polarimetry Explorer (IXPE) measureme…

astro-ph.HE2023★ 50 cited

Discovery of strongly variable X-ray polarization in the neutron star low-mass X-ray binary transient XTE J1701462

Massimo Cocchi, Andrea Gnarini, Sergio Fabiani +105

After about 16 years since its first outburst, the transient neutron star low-mass X-ray binary XTE J1701462 turned on again in September 2022, allowing for the first study of i…

astro-ph.HE2023★ 45 cited

X-ray polarimetry and spectroscopy of the neutron star low-mass X-ray binary GX 9+9: an in-depth study with IXPE and NuSTAR

F. Ursini, R. Farinelli, A. Gnarini +101

We report on a comprehensive analysis of simultaneous X-ray polarimetric and spectral data of the bright atoll source GX 9+9 with the Imaging X-ray Polarimetry Explorer (IXPE) and…

astro-ph.HE2023★ 29 cited

Complex variations of X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431

Victor Doroshenko, Juri Poutanen, Jeremy Heyl +109

We report on Imaging X-ray polarimetry explorer (IXPE) observations of the Be-transient X-ray pulsar LS V +44 17/RX J0440.9+4431 made at two luminosity levels during the giant outb…

astro-ph.HE2023★ 24 cited

A polarimetrically oriented X-ray stare at the accreting pulsar EXO 2030+375

Christian Malacaria, Jeremy Heyl, Victor Doroshenko +104

Accreting X-ray pulsars (XRPs) are presumably ideal targets for polarization measurements, as their high magnetic field strength is expected to polarize the emission up to a polari…

astro-ph.HE2023★ 31 cited

X-ray pulsar GRO J100857 as an orthogonal rotator

Sergey S. Tsygankov, Victor Doroshenko, Alexander A. Mushtukov +99

X-ray polarimetry is a unique way to probe the geometrical configuration of highly magnetized accreting neutron stars (X-ray pulsars). GRO J100857 is the first transient X-ray p…

astro-ph.HE2022★ 173 cited

Polarized x-rays constrain the disk-jet geometry in the black hole x-ray binary Cygnus X-1

Henric Krawczynski, Fabio Muleri, Michal Dovčiak +111

A black hole x-ray binary (XRB) system forms when gas is stripped from a normal star and accretes onto a black hole, which heats the gas sufficiently to emit x-rays. We report a po…

astro-ph.HE2022★ 73 cited

Polarized x-rays from a magnetar

Roberto Taverna, Roberto Turolla, Fabio Muleri +93

We report on the first detection of linearly polarized x-ray emission from an ultra-magnetized neutron star with the Imaging X-ray Polarimetry Explorer (IXPE). The IXPE 35 observat…

physics.app-ph2018

High-voltage Pulse Generation Based on Relaxed Self-Excited Oscillation Using Electrostatic Induction in External Capacitors

Taku Saiki

Simple method of producing high voltage pulses with short rising times based on electrostatic induction in external capacitor used for pulse power applications is proposed. The cir…

cs.CV2018★ 1 cited

Describing Semantic Representations of Brain Activity Evoked by Visual Stimuli

Eri Matsuo, Ichiro Kobayashi, Shinji Nishimoto +2

Quantitative modeling of human brain activity based on language representations has been actively studied in systems neuroscience. However, previous studies examined word-level rep…

cs.SE2018★ 10 cited

Constrained locating arrays for combinatorial interaction testing

Hao Jin, Tatsuhiro Tsuchiya

This paper introduces the notion of Constrained Locating Arrays (CLAs), mathematical objects which can be used for fault localization in software testing. CLAs extend ordinary loca…