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Several populations of neutron stars have surface magnetic fields above the critical strength of 4.4 x 10^{13} G where the electron cyclotron energy equals its rest mass energy. These include high-field rotation-powered pulsars, X-ray dim…

High Energy Astrophysical Phenomena · Physics 2023-03-15 Alice K. Harding

As the endpoints of massive star evolution, neutron stars are enigmatic celestial objects characterized by extremely dense and exotic nuclear matter, magnetospheres with positrons (antimatter), rapid rotation and ultra-strong magnetic…

Neutron stars are fascinating astrophysical objects immersed in strong gravitational and electromagnetic fields, at the edge of our current theories. These stars manifest themselves mostly as pulsars, emitting a timely very stable and…

High Energy Astrophysical Phenomena · Physics 2016-09-28 J. Pétri

In this brief review I summarize our basic knowledge about different types of isolated neutron stars. I discuss radio pulsars, central compact objects in supernova remnants, magnetars, near-by cooling neutron stars (aka the Magnificent…

High Energy Astrophysical Phenomena · Physics 2023-06-06 Sergei B. Popov

This article briefly reviews our current understanding of the evolution of magnetic fields in neutron stars, which basically defines the evolutionary pathways between different observational classes of neutron stars. The emphasis here is on…

High Energy Astrophysical Phenomena · Physics 2017-09-27 Sushan Konar

Magnetars are neutron stars with superstrong magnetic fields which can exceed 1e15 G. Some magnetars (the so-called soft gamma-repeaters) demonstrate occasionally very powerful processes of energy release, which result in exceptionally…

High Energy Astrophysical Phenomena · Physics 2024-09-18 D. G. Yakovlev

Observations indicate that magnetic fields on neutron stars span at least the range $10^{8-15}$ G, corresponding to a range of magnetic fluxes similar to that found in white dwarfs and main sequence stars. The observational evidence is…

Astrophysics · Physics 2007-05-23 Andreas Reisenegger

Neutron stars are one of the most exotic objects in the universe and a unique laboratory to study the nuclear matter above the nuclear saturation density. In this work, we study the equation of state of the nuclear matter within a…

Nuclear Theory · Physics 2012-09-26 L. L. Lopes , D. P. Menezes

Neutron stars are extremely strong cosmic magnets which fields are expected to decay with time. Here we report on the simple test of this process. Adopting a novel approach, we have estimated surface magnetic fields $B$ for 76 radiopulsars…

High Energy Astrophysical Phenomena · Physics 2018-01-01 Anton Biryukov , Artyom Astashenok , Sergey Karpov , Gregory Beskin

The role of magnetic field decay in normal radio pulsars is still debated. In this paper we present results which demonstrate that an episode of magnetic field decay in hot young neutron stars can explain anomalous values of braking indices…

High Energy Astrophysical Phenomena · Physics 2021-03-31 A. P. Igoshev , S. B. Popov

Neutron stars can harbor extremely strong magnetic fields, yet the structure and stability of their magnetic field configuration remain poorly understood. Observations of pulsars indicate that the large-scale external field is predominantly…

High Energy Astrophysical Phenomena · Physics 2026-05-25 Aurora Capobianco , William Cook , Sebastiano Bernuzzi , Brynmor Haskell , Jacob Fields

The magnetic and thermal evolution of neutron stars is a very complex process with many nonlinear interactions. For a decent understanding of neutron star physics, these evolutions cannot be considered isolated. A brief overview is…

Solar and Stellar Astrophysics · Physics 2017-09-26 Ulrich Geppert

Estimations of magnetic fields of neutron stars, observed as radio and X-ray pulsars, are discussed. It is shown, that theoretical and observational values for different types of radiopulsars are in good correspondence. Magnetic fields of…

Astrophysics · Physics 2007-05-23 G. S. Bisnovatyi-Kogan

We explore the hypothesis that the magnetic fields of neutron stars are of fossil origin. For parametrised models of the distribution of magnetic flux on the Main Sequence and of the birth spin period of the neutron stars, we calculate the…

Astrophysics · Physics 2009-11-11 Lilia Ferrario , Dayal Wickramasinghe

Magnetars form a special population of neutron stars with strong magnetic fields and long spin periods. About 30 magnetars and magnetar candidates known currently are probably isolated. But the possibility that magnetars are in binaries…

High Energy Astrophysical Phenomena · Physics 2022-02-02 Kun Xu , Xiang-Dong Li , Zhe Cui , Qiao-Chu Li , Yong Shao , Xilong Liang , Jifeng Liu

We argue that pulsars may be spin-polarized neutron stars, i.e. cosmic permanent magnets. This would simply explain several observational facts about pulsars, including the 'beacon effect' itself i.e. the static/stable misalignment of…

High Energy Astrophysical Phenomena · Physics 2013-05-22 Johan Hansson , Anna Ponga

In this thesis we address the question of {\em the evolution of the magnetic field in neutron stars}. There has been sufficient observational indication suggesting a causal connection between the binary history of neutron stars and the…

Solar and Stellar Astrophysics · Physics 2013-08-12 Sushan Konar

The strong magnetic fields of neutron stars are closely linked to their observed thermal, spectral, and timing properties, such as the distribution of spin periods and their derivatives. To understand the evolution of astrophysical…

High Energy Astrophysical Phenomena · Physics 2026-03-12 José A. Pons , Clara Dehman , Daniele Viganò

The impact of strong magnetic fields B>10e13 G on the thermal evolution of neutron stars is investigated, including crustal heating by magnetic field decay. For this purpose, we perform 2D cooling simulations with anisotropic thermal…

Astrophysics · Physics 2010-11-11 Deborah N. Aguilera , José A. Pons , Juan A. Miralles

The properties of the extremely strong magnetic fields of neutron stars affect in a unique way their evolution and the associated phenomenology. Due to the lack of constraints from direct observations, our understanding of the magnetic…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Riccardo Ciolfi