131 citations · 233 across the 11 of their papers we have counts for
11 papers
Double White Dwarf Mergers as Progenitors of Long-Period Transients
Manuel Malheiro, Sarah V. Borges, Jaziel G. Coelho +6
There is an ongoing discussion in the literature on the nature of long-period transients (LPTs), radio-emitting sources with periods ranging from hundreds to tens of thousands of s…
Rotating strange dwarfs and their indistinguishability from white dwarfs
Edson Otoniel, José D. V. Arbañil, Geanderson A. Carvalho +1
We investigate the structure of strange dwarfs, modeled as hybrid compact stars composed of a self bound strange quark matter core surrounded by a white dwarf like crust, within a…
The pseudo-complex Friedmann Lemaitre Robertson Walker model and the time dependence of the Hubble constant
L. Maghlaoui, P. O. Hess, F. Weber +1
The pseudocomplex version of the FLRW model is presented within the framework of pseudocomplex General Relativity (pcGR). In this approach, dark energy arises as a geometric conseq…
XTE J1814-338 as a strange star admixed with bosonic dark matter
Shu-Hua Yang, Fridolin Weber
We show that the compact star XTE J1814-338 can be explained as a strange star admixed with self-interacting bosonic dark matter (BDM), provided the dark matter fraction exceeds ap…
Representing Equations of State With Strong First-Order Phase Transitions
Lee Lindblom, Steve M. Lewis, Fridolin Weber
Parametric representations of the high-density nuclear equation of state are used in constructing models for interpreting the astrophysical observations of neutron stars. This stud…
Neural Simulation-Based Inference of the Neutron Star Equation of State directly from Telescope Spectra
Len Brandes, Chirag Modi, Aishik Ghosh +6
Neutron stars provide a unique opportunity to study strongly interacting matter under extreme density conditions. The intricacies of matter inside neutron stars and their equation…
Fast Pulsars, Neutron Stars, and Astrophysical Strange Quark Matter Objects
Delaney Farrell, Fridolin Weber, Milva G. Orsaria +5
This book chapter explores key aspects of neutron stars, pulsar glitches, tidal deformability, fast pulsars, the equation of state, and strange quark matter stars. Challenges in di…
Quark-hadron Phase Transition in Proto-Neutron Stars Cores based on a Non-local NJL Model
German Malfatti, G. A. Contrera, M. Orsaria +1
We study the QCD phase diagram using a non-local SU(3) NJL model with vector interactions among quarks. We analyze several thermodynamic quantities such as entropy and specific hea…
Hybrid Stars in the Framework of different NJL Models
G. A. Contrera, M. Orsaria, I. F. Ranea-Sandoval +1
We compute models for the equation of state (EoS) of the matter in the cores of hybrid stars. Hadronic matter is treated in the non-linear relativistic mean-field approximation, an…
Quark deconfinement in high-mass neutron stars
M. Orsaria, H. Rodrigues, F. Weber +1
In this paper, we explore whether or not quark deconfinement may occur in high-mass neutron stars such as J1614-2230 (1.97 \pm 0.04 M_Sun) and J0348+0432 (2.01 \pm 0.04 M_Sun). Our…
Quark-hybrid matter in the cores of massive neutron stars
M. Orsaria, H. Rodrigues, F. Weber +1
Using a nonlocal extension of the SU(3) Nambu-Jona Lasinio model, which reproduces several of the key features of Quantum Chromodynamics, we show that mixed phases of deconfined qu…