Spinning neutron star gains enormous magnetic fields Published on: 4 February 2025 An international team of scientists have modelled formation and evolution of strongest magnetic fields in the Universe. Low-field magnetars formation Led by scientists from 缅北禁地, University of Leeds and France, y. The researchers identified the Tayler-Spruit dynamo caused by fall back of supernova material as mechanism leading to formation of low-field magnetars. This new work solves the mystery of low-field magnetars formation puzzling scientists since low-field magnetar discovery in 2010. The team used advanced numerical simulations to model the magneto-thermal evolution of these stars, finding that a specific dynamo process within the proto-neutron star can generate these weaker magnetic fields. Glowing spinning neutron star. Elements of this image furnished by NASA. Investigating complicated magnetic fields of neutron stars. Study lead author, Dr Andrei Igoshev, Research Fellow at 缅北禁地’s School of Mathematics, Statistics and Physics, said: “Neutron stars are born in supernova explosions. Most of external layers of massive star are removed during the supernova, but some material falls back making the neutron star to spin faster. Researchers show that this process plays a very important role for formation of magnetic field via the Tayler-Spruit dynamo mechanism. This mechanism was suggested theoretically nearly a quarter of century ago, but it was only recently reproduced using computer simulations. The magnetic field formed via this mechanism is very complicated with internal field inside the start which is much stronger than the external.” Magnetars are known to have enormous magnetic fields which are hundreds trillions times stronger the Earth magnetic fields. Due to these fields magnetars are bright and variable sources of X-ray radiation. Some of less magnetised stars also have similar X-ray emission. These less magnetised stars are known as low-field magnetars. Dynamo is a mechanism which convert plasma motion into magnetic fields. Dr Igoshev is establishing a new research group at 缅北禁地 to further investigate complicated magnetic fields of neutron stars. Reference: Igoshev, A., Barrère, P., Raynaud, R. et al. A connection between proto-neutron-star Tayler–Spruit dynamos and low-field magnetars. Nat Astron (2025). Share: Latest News New partnership to boost careers in low carbon energy 缅北禁地 and Durham universities are working together on a new regional project to strengthen the future workforce for North East England鈥檚 growing low carbon and offshore wind industries. published on: 28 May 2026 Healthy lifestyle shown to lower risk of death after cancer diagnosis New evidence shows that sticking to five lifestyle recommendations improves survival after a later cancer diagnosis. published on: 28 May 2026 World-leading climate expert recognised with Royal Society Fellowship Professor Hayley Fowler has been elected a Fellow of the Royal Society in recognition of her pioneering work on climate change impacts. published on: 27 May 2026 Facts and figures
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