Hybrid stars are compatible with recent astrophysical observations

A Kumar, VB Thapa, M Sinha - Physical Review D, 2023 - APS
Compact stars (CS) are stellar remnants of massive stars. Inside CSs the density is so high
that matter is in subatomic form composed of nucleons. With an increase of density of matter …

Baryon coupling scheme in a unified SU (3) and SU (6) symmetry formalism

LL Lopes, KD Marquez, DP Menezes - Physical Review D, 2023 - APS
We calculate the baryon-meson coupling constants for the spin-1/2 baryonic octet and spin-
3/2 decuplet in a unified approach relying on symmetry arguments such as the fact that the …

Mixed dark matter models for the peculiar compact object in remnant HESS and their implications for gravitational wave properties

B Hong, ZZ Ren - Physical Review D, 2024 - APS
A recent assessment of the central compact object in the supernova remnant HESS J 1731-
347 [Nat. Astron. 6, 1444 (2022) 2397-3366 10.1038/s41550-022-01800-1] reveals its …

Hypermassive quark cores

LL Lopes, C Biesdorf… - Monthly Notices of the …, 2022 - academic.oup.com
Using a quantum hadrodynamics (QHD) and MIT-based models, we construct hybrid stars
within the Maxwell criteria of hadron-quark phase transition. We are able to produce a hybrid …

Role of the symmetry energy slope in neutron stars: Exploring the model dependency

LL Lopes - Physical Review C, 2024 - APS
Using six different parametrizations of the quantum hadrodynamics (one of which is
original), I study how different values of the symmetry energy slope L affect some …

Strongly interacting matter in extreme magnetic fields

P Adhikari, M Ammon, SS Avancini, A Ayala… - arXiv preprint arXiv …, 2024 - arxiv.org
Magnetic fields are ubiquitous across different physical systems of current interest; from the
early Universe, compact astrophysical objects and heavy-ion collisions to condensed matter …

Imprints of the nuclear symmetry energy slope in gravitational wave signals emanating from neutron stars

LL Lopes, VBT Alves, COV Flores, G Lugones - Physical Review D, 2023 - APS
We investigate possible traces of the nuclear symmetry energy slope (L) in the gravitational
wave emission of neutron stars. For fixed stellar mass values, we examine how the slope …

Exploring the effects of baryons in magnetars

KD Marquez, MR Pelicer, S Ghosh, J Peterson… - Physical Review C, 2022 - APS
Strong magnetic fields can modify the microscopic composition of matter with consequences
on stellar macroscopic properties. Within this context, we study, for the first time, the …

Correlation between the symmetry energy slope and the deconfinement phase transition

LL Lopes, DP Menezes, MR Pelicer - Physical Review C, 2024 - APS
We study how the nuclear symmetry energy slope (L) can affect the hadron-quark phase
transition and neutron star properties. We show that the main physical quantities as the …

Decoding rotating neutron stars: Role of the symmetry energy slope

LL Lopes - The Astrophysical Journal, 2024 - iopscience.iop.org
Abstract In 2023 December, the Fermi Large Area Telescope Catalog announced the
discovery of 33 new millisecond pulsars. Motivated by that, in this work, I study how different …