10 citations · 18 across the 6 of their papers we have counts for
7 papers
Anisotropic Fluid Model for Massive Boson Stars: Spherically Symmetric Configurations
Ethan McKeever, Victor Guedes, Shu Yan Lau +1
Boson stars are among the best-studied exotic compact objects and constitute one of the few black-hole mimickers for which both the formation mechanism and dynamical behavior can b…
Out-of-Equilibrium Effects in Non-Radial Relativistic Stellar Perturbations: A Model-Agnostic Formulation and Mode Analysis
Takuya Katagiri, Victor Guedes, Kent Yagi
We present a systematic, model-agnostic analysis of out-of-equilibrium effects, including viscosity and thermal conductivity, in non-radial oscillations of relativistic stars. Exte…
Spacetime Quasi-normal Mode Oscillations of Anisotropic Neutron Stars
Jihao Yu, Victor Guedes, Shu Yan Lau +2
Neutron star asteroseismology offers a unique opportunity to probe nuclear physics through stellar oscillations. Although the pressure inside of a neutron star is typically assumed…
Gravitational-Wave Constraints on Neutron-Star Pressure Anisotropy via Universal Relations
Victor Guedes, Siddarth Ajith, Shu Yan Lau +1
Neutron stars may exhibit pressure anisotropy arising from various physical mechanisms, such as elasticity, magnetic fields, viscosity, and superfluidity. We compute the tidal defo…
Tight bound on neutron-star radius with quasiperiodic oscillations in short gamma-ray bursts
Victor Guedes, David Radice, Cecilia Chirenti +1
Quasiperiodic oscillations (QPOs) have been recently discovered in the short gamma-ray bursts (GRBs) 910711 and 931101B. Their frequencies are consistent with those of the quasirad…
Nonradial instabilities in anisotropic neutron stars
Shu Yan Lau, Siddarth Ajith, Victor Guedes +1
Non-radial oscillation modes of a neutron star possess valuable information about its internal structure and nuclear physics. Starting from the quadrupolar order, such modes under…
The broadening of universal relations at the birth and death of a neutron star
Victor Guedes, Shu Yan Lau, Cecilia Chirenti +1
Certain relations among neutron-star observables that are insensitive to the equation of state are known to exist. Such universal relations have been shown to be valid for cold and…