2 November 2021

Current trends in gravitation Seminar

Location: University Oldenburg - Online
When: 2.11.2021, 14:15 CEST

Speaker: FechScen Khoo (University of Oldenburg, Germany)

Title: Quasinormal modes of neutron stars in GR and in massive scalar-tensor theories

Abstract: The gravitational waves during the ringdown phase of a binary neutron star merger are emitted at characteristic frequencies that can be calculated using the quasinormal modes. We will review the computations of quasinormal modes of the neutron stars in general relativity, and discuss some recent results for a class of massive scalar-tensor gravity theory which can be reformulated as R-squared gravity. We observe how the results deviate from GR, and where some of the properties in GR are broken.

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