Griffiths, M Adam (2019) Differential rotation in binary Neutron Star mergers PRE - Research Project, ENSTA.

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The recent gravitational wave detection of a merger of two Neutron Stars by the LIGOVIRGO network in 2017 [1] has made Neutron Stars a hot topic among theorists and simulators alike. The instruments however were not capable of detecting the two neutron stars at the point of merger and post-merger. These phases remain unknown however it it theorised that the result of the merger is a hyper massive Neutron Star which before collapsing into a blackhole resists internal pressure through excess rotational energy. Here the timescale upon which the star stays stable is studied, through mechanisms such as magnetic breaking and the effects of instabilities of the fluid. The second part of the work examines magneto-rotational instability including the effect of general relativity, included due to the high density of a hyper massive Neutron Star. This work aims to develop a better understanding of the dynamics of a binary Neutron Star post-merger and evaluate the duration that the resulting star resists collapse.

Item Type:Thesis (PRE - Research Project)
Subjects:Mathematics and Applications
Fluid Mechanics and Energy
Physics, Optics
ID Code:7413
Deposited By:Adam Griffiths
Deposited On:11 févr. 2021 18:14
Dernière modification:11 févr. 2021 18:14

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