Pulsar preprints for 21-01-2026

"Secular Evolution of PSR J2021+4026: Long-Term {\gamma}-Ray Flux and Spin-Down Variability Beyond State Transitions"
Xue-Zhi Liu, Ming-Yu Ge, Xiao-Ping Zheng, Xiao-Bo Li, Han-Long Peng, Wen-Tao Ye, Bo-Yan Chen, Shi-Jie Zheng, Fang-Jun Lu, Shuang-Nan Zhang
"Optimising gravitational-wave sky maps for pulsar timing arrays"
Kathrin Grunthal, David J. Champion, Eric Thrane, Rowina S. Nathan, Michael Kramer, Matthew T. Miles
"Exploring Superfluid Angular Momentum Reservoir Effect on Pulsar Glitches and Forecasting Next Glitches of the Crab Pulsar"
Pei-Xin Zhu, Xiao-Ping Zheng, Quan Cheng, Chenghui Niu, Erbil G\"ugercino\u{g}lu
"X-ray Analysis and Photon-transport Simulations of SMC X-1: A Warped-disc Origin of the Superorbital Modulation"
Satoshi Takashima, Hirokazu Odaka, Ryota Tomaru, Atsushi Tanimoto, Aya Bamba, Toru Tamagawa
"The non-linear dynamics of axion inflation: a detailed lattice study"
Daniel G. Figueroa, Joanes Lizarraga, Nicol\'as Loayza, Ander Urio, Jon Urrestilla
"The art of simulating the early Universe. Part II. Non-canonical cases & gravitational waves"
Jorge Baeza-Ballesteros, Daniel G. Figueroa, Adrien Florio, Joanes Lizarraga, Nicol\'as Loayza, Kenneth Marschall, Toby Opferkuch, Ben A. Stefanek, Francisco Torrent\'i, Ander Urio
"Detection of a Millisecond Periodicity in BATSE Short Gamma-Ray Bursts"
Run-Chao Chen, Jun Yang, Yi-Han Iris Yin, Bin-Bin Zhang
"The gravitational energy-momentum pseudo-tensor in $f(Q)$ non-metric gravity"
Salvatore Capozziello, Maurizio Capriolo, Gaetano Lambiase
"An upper limit on cosmological chiral gravitational wave background"
Mohammad Ali Gorji, Ashu Kushwaha, Teruaki Suyama
"An eclipsing 8.56 minute orbital period mass-transferring binary"
Emma T. Chickles (Massachusetts Institute of Technology, Cambridge, USA), Joheen Chakraborty (Massachusetts Institute of Technology, Cambridge, USA), Kevin B. Burdge (Massachusetts Institute of Technology, Cambridge, USA), Vik S. Dhillon (University of Sheffield, Sheffield, UK, Instituto de Astrofisica de Canarias, La Laguna, Spain), Paul Draghis (Massachusetts Institute of Technology, Cambridge, USA), Kareem El-Badry (California Institute of Technology, Pasadena, USA), Matthew J. Green (Max Planck Institute for Astronomy, Heidelberg, Germany), Aaron Householder (Massachusetts Institute of Technology, Cambridge, USA), Sarah Hughes (Massachusetts Institute of Technology, Cambridge, USA), Christopher Layden (Massachusetts Institute of Technology, Cambridge, USA), Stuart P. Littlefair (University of Sheffield, Sheffield, UK), James Munday (University of Warwick, Coventry, UK), Ingrid Pelisoli (University of Warwick, Coventry, UK), Maya S. Redden (Stanford University, Stanford, USA), John Tonry (University of Hawaii, Honolulu, USA), Jan van Roestel (Institute of Science and Technology Austria, Klosterneuburg, Austria, University of Amsterdam, Amsterdam, The Netherlands), F. Elio Angile (Massachusetts Institute of Technology, Cambridge, USA), Alex J. Brown (University of Hamburg, Hamburg, Germany), Noel Castro (University of Warwick, Coventry, UK), Jack Dinsmore (Stanford University, Stanford, USA), Martin Dyer (University of Sheffield, Sheffield, UK, Research Software Engineering, University of Sheffield, Sheffield, UK), Gabor Furesz (Massachusetts Institute of Technology, Cambridge, USA), Michelle Gabutti (Massachusetts Institute of Technology, Cambridge, USA), James Garbutt (University of Sheffield, Sheffield, UK), Daniel Jarvis (University of Sheffield, Sheffield, UK), Mark R. Kennedy (University College Cork, Cork, Ireland), Paul Kerry (University of Sheffield, Sheffield, UK), James McCormac (University of Warwick, Coventry, UK), Geoffrey Mo (California Institute of Technology, Pasadena, USA, Carnegie Observatories, Pasadena, USA), Dave Osip (Las Campanas Observatory, La Serena, Chile), Steven Parsons (University of Sheffield, Sheffield, UK), Eleanor Pike (University of Sheffield, Sheffield, UK), Jack Piotrowski (Carnegie Observatories, Pasadena, USA), Roger W. Romani (Stanford University, Stanford, USA), David Sahman (University of Sheffield, Sheffield, UK), Rob Simcoe (Massachusetts Institute of Technology, Cambridge, USA)
"Discovery of High X-Ray Polarization from the Neutron Star Low-Mass X-Ray Binary Cyg X-2 in the Horizontal Branch"
Andrea Gnarini, Swati Ravi, Philip Kaaret, Anna Bobrikova, Juri Poutanen, Sofia V. Forsblom, Francesco Ursini, Maria Cristina Baglio, Stefano Bianchi, Fiamma Capitanio, Massimo Cocchi, Maria Alejandra Diaz Teodori, Sergio Fabiani, Ruben Farinelli, Giorgio Matt, Mason Ng, Alexander Salganik, Paolo Soffitta, Antonella Tarana, Silvia Zane
"Strongly Interacting Dark Matter admixed Neutron Stars"
Yannick Dengler, Suchita Kulkarni, Axel Maas, Kevin Radl
"Simulating the quasi-ballistic regime of a short Gamma-Ray Burst jet"
Emma Dreas, Andrea Pavan, Riccardo Ciolfi, Annalisa Celotti