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Comparing Effective One Body Hamiltonians for spin-aligned coalescing binaries
Piero Rettegno, Fabio Martinetti, Alessandro Nagar +3
TEOBResumS and SEOBNRv4 are the two existing semi-analytical gravitational waveform models for spin-aligned coalescing black hole binaries based on the effective-one-body approach.…
kiloHertz gravitational waves from binary neutron star remnants: time-domain model and constraints on extreme matter
Matteo Breschi, Sebastiano Bernuzzi, Francesco Zappa +4
The remnant star of a neutron star merger is an anticipated loud source of kiloHertz gravitational waves that conveys unique information on the equation of state of hot matter at e…
Factorization and resummation: A new paradigm to improve gravitational wave amplitudes. III: the spinning test-body terms
Alessandro Nagar, Francesco Messina, Chris Kavanagh +4
We present new calculations of the energy flux of a spinning test-body on circular orbits around a Schwarzschild black hole at linear order in the particle spin. We compute the mul…
Quasi-5.5PN TaylorF2 approximant for compact binaries: point-mass phasing and impact on the tidal polarizability inference
Francesco Messina, Reetika Dudi, Alessandro Nagar +1
We derive a point-mass (nonspinning) frequency-domain TaylorF2 phasing approximant at quasi-5.5 post-Newtonian (PN) accuracy for the gravitational wave from coalescing compact bina…
A Multipolar Effective One Body Model for Non-Spinning Black Hole Binaries
Alessandro Nagar, Geraint Pratten, Gunnar Riemenschneider +1
We introduce \TEOBiResumSM{}, a nonspinning inspiral-merger-ringdown waveform model built within the effective one body (EOB) framework that includes gravitational waveform modes b…