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Gravitational Waves, Inspirals, and Novel Tests of gravity in the era of (20)30s

Objective

Despite the detection of numerous binary merger events since 2014, current tests of General Relativity (GR) have consistently confirmed its predictions, with no statistically significant deviations observed yet. In light of upcoming advancements in detector technology, the development of new tests for gravity specifically designed to harness the enhanced sensitivity of next-generation detectors constitutes the best path forward at current state-of-art.

In this project I identify three crucial areas where improved tests of GR will be instrumental in pushing the current state-of-art. First, I will compute GW emissions from Extreme Mass Ratio Inspiral (EMRI) orbits around ‘stealth’ black holes and crucially explore if LISA like detectors can tell these systems apart from GR while inferring their source properties. This work will additionally investigate if shape Love numbers are important ingredients for parameter estimation of EMRI systems. Then, my second study will refine the phenomenology of current GW-waveform modelling for binary mergers in environments. I intend critical upgrades to the treatment of accretion along with the associated drag force and torque. This task has immense value as a potential mitigation of modelling biases commonly associated with inspirals in environments. Finally, I will calculate the oscillation modes of non-rotating neutron stars (NSs) in Scalar-Tensor (ST) gravity. My unique methodology will involve using both Neural Networks and numerical techniques. I will also check for the existence of universal Relations in ST gravity.

My work will be of paramount relevance to gravity theorists, GW phenomenologists and data analysts. It will help me to gain scientific (NS oscillations, Neural Networks, Modified Gravity), teaching and organisational expertise while symbiotically transferring hard and soft skills to my host’s group at bearable risk. My track record shows I have the requisite skills to successfully complete the project.

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

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(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

UNIVERSITAT DE VALENCIA
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 194 074,56
Address
AVENIDA BLASCO IBANEZ 13
46010 Valencia
Spain

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Region
Este Comunitat Valenciana Valencia/València
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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