Electrodynamics of magnetic explosions in astrophysics

天体物理学中磁爆炸的电动力学

• 批准号: DP160102932
• 负责人: Em/Prof Donald Melrose
• 金额: $ 31.23万
• 依托单位: The University of Sydney
• 依托单位国家: 澳大利亚
• 项目类别: Discovery Projects
• 财政年份: 2016
• 资助国家: 澳大利亚
• 起止时间: 2016-01-01 至 2021-12-31
• 项目状态: 已结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/DP160102932
• 关键词: Electrodynamics; magnetic; explosions; astrophysics

The project aims to develop a new model for solar flares and pulsars that more realistically describes these phenomena. Solar flares and pulsars involve strong magnetic fields changing rapidly as a function of time, implying enormous inductive potentials. The project aims to show how the inductive field and the plasma response to it can be included in an electrodynamic theory. It plans to apply this theory to solar flares, and show how it can resolve the long-standing ‘number problem’. It also plans to apply the model to pulsars, and show how the long-standing dichotomy between the vacuum-dipole and rotating-magnetosphere models can be resolved by synthesising them. The project intends to combine these ideas into a new model for the most extreme examples of magnetic explosions: superflares and giant bursts on magnetars.

该项目旨在为更现实地描述这些现象的太阳耀斑和脉冲星开发新的模型。太阳耀斑和脉冲星涉及随着时间的变化而迅速变化的强磁场，这意味着巨大的电感电位。该项目的目的是展示归纳场及其对血浆响应的方式如何包括在电动力学理论中。它计划将该理论应用于太阳耀斑，并展示如何解决长期存在的“数字问题”。还计划将模型应用于脉冲星，并展示如何通过合成真空 - 偶极和旋转磁层模型之间的长期二分法。该项目打算将这些想法结合到一个新的模型中，以示为磁性爆炸的最极端例子：磁铁上的超级流浪和巨大爆发。