Sub-Millisecond Pulsars: Missing or Impossible?

arXiv:2608.23704 · astro-ph.HE, astro-ph.SR · Submitted 2026-08-24 · Read on arXiv

astro-ph.HE, astro-ph.SR

Submitted: 2026-08-24

Updated: 2026-08-24

Code: https://github.com/cgca/rns

Terminology

• Accretion Efficiency — 25× in this paper · explained in 2 episodes
• Core — 23× in this paper · explained in 2 episodes
• Decoupling — 8× in this paper · explained in 2 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Modules for Experiments in Stellar Astrophysics — 3× in this paper
• Observational Selection Effects — 3× in this paper · explained in 2 episodes
• Accretion Physics — 2× in this paper · explained in 2 episodes
• Accretion Shock — 2× in this paper · explained in 1 episode
• Alignment — 2× in this paper · explained in 1 episode
• Calibration — 2× in this paper · explained in 7 episodes
• Gravitational Wave Emission — 2× in this paper · explained in 2 episodes
• Population Synthesis — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Aperture — 1× in this paper · explained in 1 episode
• Degeneracy — 1× in this paper · explained in 3 episodes
• Higher-order derivatives — 1× in this paper · explained in 2 episodes
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Phase Transitions — 1× in this paper · explained in 2 episodes
• Physical Constraints — 1× in this paper · explained in 7 episodes
• Provenance — 1× in this paper · explained in 3 episodes
• Systematic Bias — 1× in this paper · explained in 3 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Unified Framework — 1× in this paper · explained in 5 episodes

Sources

• The Science of the Einstein Telescope
• Search for continuous gravitational waves from known pulsars in the first part of the fourth LIGO-Virgo-KAGRA observing run
• GW231123: a Binary Black Hole Merger with Total Mass 190-265 $M_{\odot}$
• All-sky Searches for Continuous Gravitational Waves from Isolated Neutron Stars in the Data from the First Part of the Fourth LIGO-Virgo-KAGRA Observing Run
• Narrowband searches for continuous gravitational waves from known pulsars in the first two parts of the fourth LIGO--Virgo--KAGRA observing run
• A MeerKAT view of the pulsars in the globular cluster NGC 6522
• Constraints from LIGO O3 data on gravitational-wave emission due to r-modes in the glitching pulsar PSR J0537-6910
• Search for continuous gravitational waves from 20 accreting millisecond X-ray pulsars in O3 LIGO data
• Model-based cross-correlation search for gravitational waves from the low-mass X-ray binary Scorpius X-1 in LIGO O3 data
• All-sky search for continuous gravitational waves from isolated neutron stars using Advanced LIGO and Advanced Virgo O3 data
• Searches for Gravitational Waves from Known Pulsars at Two Harmonics in the Second and Third LIGO-Virgo Observing Runs
• Tests of General Relativity with GWTC-3
• Axisymmetric General Relativistic Simulations of the Accretion-Induced Collapse of White Dwarfs
• Related progenitor models for long-duration gamma ray bursts and Type Ic superluminous supernovae
• Pre-collapse Properties of Superluminous Supernovae and Long Gamma-Ray Burst Progenitor Models
• The Magnetorotational Instability in Core Collapse Supernova Explosions
• Astrophysics with the Laser Interferometer Space Antenna
• Optical pulsations from a transitional millisecond pulsar
• Optical and ultraviolet pulsed emission from an accreting millisecond pulsar
• A Fourier Domain "Jerk" Search for Binary Pulsars

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• Numerical Studies of Accretion Flows onto a Neutron Star Engulfed in a Massive Star
• Collisionless Accretion of Finite-Angular-Momentum Plasma onto a Spinning Black Hole
• Impact of Magnetic Field Topology on Electromagnetic and Gravitational Waves from Binary Neutron Star Merger Remnants
• XRISM Resolve Spectroscopy of GX 5-1: Constraints on Iron Spectral Features in a Luminous Neutron-Star Binary
• SN 1006: A Cosmic Laboratory for Investigating Shock Acceleration Physics
• Neutrino Spectral Pinching in 3D Core-Collapse Supernovae: Late-Time Convergence, Failed-Explosion Signatures, and Viewing-Angle Dispersion