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Light echoes of debris disks around active stars can reveal disk structure and composition even when disks are not spatially resolved. Unfortunately, distinguishing reflected light from quiescent starlight and unexpected post-peak flare…

Earth and Planetary Astrophysics · Physics 2024-02-12 Austin J. King , Benjamin C. Bromley , Preston W. Harris , Scott J. Kenyon

Electron spin polarization up to 100% has been observed in type-II narrow-gap heterostructures with ultrathin InSb insertions in an InAs matrix via investigation of circularly polarized photoluminescence in an external magnetic field…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Ya. V. Terentyev , M. S. Mukhin , A. A. Toropov , M. O. Nestoklon , B. Ya. Meltser , A. N. Semenov , V. A. Solovyev , S. V. Ivanov

Polarization is a unique tool to study the properties of dust grains of protoplanetary disks and detail the initial conditions of planet formation. Polarization around HL Tau was previously imaged using the Atacama Large…

Transitional millisecond pulsars (tMSPs) bridge the evolutionary gap between accreting neutron stars in low-mass X-ray binaries and millisecond radio pulsars. These systems exhibit a unique subluminous X-ray state characterized by the…

The generation of high-fidelity polarization-entangled photon pairs, to date, has been demonstrated on specific spatial modes or over relatively narrow apertures. We put forward and demonstrate an experimental scheme to extend the temporal…

Quantum Physics · Physics 2021-06-15 Salem F. Hegazy , Salah S. A. Obayya

We study theoretically the polarization state of light in multiple scattering media in the limit of weak gradients in refractive index. Linearly polarized photons are randomly rotated due to the Berry phase associated with the scattering…

Soft Condensed Matter · Physics 2009-09-07 A. C. Maggs , V. Rossetto

The electric polarization hysteresis loops and remanent polarization were revealed in multiferroics RMn$_2$O$_5$ with $R = Gd$ and $Bi$ at wide temperature interval from 5 K up to 330 K. Until recently, the long-range ferroelectric order…

Materials Science · Physics 2016-10-21 B. Kh. Khannanov , V. A. Sanina , E. I. Golovenchits , M. P. Scheglov

We report on multi-bands VLBA polarimetric observations of NRAO 530 in February 1997. Total intensity, EVPA distributions at all these frequencies are presented. Model fitting has been performed, from which the fitted southmost component A…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Y. J. Chen , Z. -Q. Shen , S. -W. Feng

We present a large sample of high-precision, coherently-dedispersed polarization profiles of millisecond pulsars (MSPs) at frequencies between 410 and 1414 MHz. These data include the first polarimetric observations of several of the…

Astrophysics · Physics 2009-10-31 I. H. Stairs , S. E. Thorsett , F. Camilo

Due to the first results on astrophysical X-ray polarization provided by \textit{IXPE} observatory, the interest in wavelength-dependent synchrotron polarization of BL Lac type objects increases. This paper presents the results of…

High Energy Astrophysical Phenomena · Physics 2023-01-16 Elena Shablovinskaya , Eugene Malygin , Dmitry Oparin

This paper describes a method for the explicit reconstruction and visualization of various polarization ellipses from the intensities measured after a rotating polarizer. The state of polarization of a light beam is represented by the…

Optics · Physics 2022-11-29 Ramonika Sengupta , Brijesh Tripathi , Asha Adhiya

We report on the variation in the optical polarization of the blazar PKS 1749+096 observed in 2008--2015. The degree of polarization (PD) tends to increase in short flares having a time-scale of a few days. The object favors a polarization…

High Energy Astrophysical Phenomena · Physics 2017-12-20 Makoto Uemura , Ryosuke Itoh , Ioannis Liodakis , Dmitry Blinov , Masanori Nakayama , Longyin Xu , Naoko Sawada , Hsiang-Yun Wu , Issei Fujishiro

Many active stars are covered in spots, much more so than the Sun, as indicated by spectroscopic and photometric observations. It has been predicted that star spots induce non-zero intrinsic linear polarization by breaking the visible…

Solar and Stellar Astrophysics · Physics 2018-05-16 T. M. Yakobchuk , S. V. Berdyugina

The X-ray polarization of Sco X-1 was measured for the first time with very high significance by the Imaging X-ray Polarimeter Explorer (IXPE). A polarization degree of 1.0% $\pm$ 0.2% at a PA of 8{\deg} $\pm$ 6{\deg} at 90% confidence…

High Energy Astrophysical Phenomena · Physics 2025-10-15 Fabio La Monaca

The multi-wavelength polarized light signals from supermassive black holes have sparked many studies on polarized images of accretion disks and hotspots. However, the polarization patterns within the innermost stable circular orbit (ISCO)…

High Energy Astrophysical Phenomena · Physics 2025-04-07 Bin Chen , Yehui Hou , Yu Song , Zhenyu Zhang

A high degree of linear polarization measured in the optical emission is an important observational feature of blazars. It provides strong evidence of the presence of relativistic particles and magnetic field ordering in the non-thermal…

High Energy Astrophysical Phenomena · Physics 2025-03-17 K K Singh , A Singh , A Tolamatti , P J Meintjes , K K Yadav

We consider the polarization of 21cm line radiation from the epoch of reionization due to both intrinsically polarized emission and secondary mechanisms. We argue that Thomson scattering of the 21cm quadrupole by the reionized universe is…

Astrophysics · Physics 2009-11-11 Daniel Babich , Abraham Loeb

With our new speckle imaging polarimeter we have obtained first polarimetric images with sub-arcsecond resolution of the Luminous Blue Variable eta Carinae in the Halpha line. The polarization patterns at the 3'' scale match well earlier…

Astrophysics · Physics 2007-05-23 Heino Falcke , Kris Davidson , Karl-Heinz Hofmann , Gerd Weigelt

Magnetars are the most strongly magnetized neutron stars, and one of the most promising targets for X-ray polarimetric measurements. We present here the first Imaging X-ray Polarimetry Explorer (IXPE) observation of the magnetar 1RXS…

High Energy Astrophysical Phenomena · Physics 2023-02-22 Silvia Zane , Roberto Taverna , Denis Gonzalez Caniulef , Fabio Muleri , Roberto Turolla , Jeremy Heyl , Keisuke Uchiyama , Mason Ng , Toru Tamagawa , Ilaria Caiazzo , Niccolo' Di Lalla , Herman L. Marshall , Matteo Bachetti , Fabio La Monaca , Ephraim Gau , Alessandro Di Marco , Luca Baldini , Michela Negro , Nicola Omodei , John Rankin , Giorgio Matt , George G. Pavlov , Takao Kitaguchi , Henric Krawczynski , Fabian Kislat , Ruth Kelly , Ivan Agudo , Lucio A. Antonelli , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolo' Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Chieng Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Immacolata Donnarumma , Victor Doroshenko , Michal Dovciak , Steven R. Ehlert , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Wataru Iwakiri , Svetlana G. Jorstad , Philip Kaaret , Vladimir Karas , Jeffery J. Kolodziejczak , Luca Latronico , Ioannis Liodakis , Simone Maldera , Alberto Manfreda , Frederic Marin , Andrea Marinucci , Alan P. Marscher , Francesco Massaro , Ikuyuki Mitsuishi , Tsunefumi Mizuno , C. Y. Ng , Stephen L. O'Dell , Chiara Oppedisano , Alessandro Papitto , Abel L. Peirson , Matteo Perri , Melissa Pesce Rollins , Pierre Olivier Petrucci , Maura Pilia , Andrea Possenti , Juri Poutanen , Simonetta Puccetti , Brian D. Ramsey , Ajay Ratheesh , Oliver J. Roberts , Roger W. Romani , Carmelo Sgro' , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Fabrizio Tavecchio , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie

This study presents an orbital phase-dependent analysis of three black widow spider millisecond pulsars (BW MSPs), aiming to investigate the magnetic field within the eclipse environment. The ultra-wide-bandwidth low-frequency receiver…

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