output
19932022
most citedNeutron star radii and crusts: uncertainties and unified equations of state

335 citations

198 papers

hep-ph2022★ 3 cited

Comment on "Scrutinizing pion-pion scattering in light of recent lattice phase shifts"

Eef van Beveren, George Rupp

In a recent paper by Xiu-Li Gao, Zhi-Hui Guo, Zhiguang Xiao, and Zhi-Yong Zhou, Phys. Rev. D 105, 094002 (2022), here referred to as I, -wave scattering phase shifts obtain…

hep-th2021★ 26 cited

Asymptotic quasinormal modes of string-theoretical -dimensional black holes

Filipe Moura, João Rodrigues

We compute the quasinormal frequencies of -dimensional spherically symmetric black holes with leading string corrections for tensorial gravitational perturbations in the hi…

hep-th2021★ 52 cited

Eikonal quasinormal modes and shadow of string-corrected -dimensional black holes

Filipe Moura, João Rodrigues

We compute the quasinormal frequencies of -dimensional spherically symmetric black holes with leading string corrections in the eikonal limit for tensorial gravitational pe…

hep-ph2020★ 1 cited

Understanding the and masses as well as their widths

Eef van Beveren, George Rupp

The low and approximately equal masses of the scalar mesons and , as well as their relatively small decay widths, are impossible to understand in terms of stan…

hep-ph2020★ 15 cited

Warm Inflation, Neutrinos and Dark matter: a minimal extension of the Standard Model

Miguel Levy, João G. Rosa, Luis B. Ventura

We show that warm inflation can be realized within a minimal extension of the Standard Model with three right-handed neutrinos, three complex scalars and a gauged lepton/B-L U(1) s…

hep-ph2020★ 26 cited

Modern meson spectroscopy: the fundamental role of unitarity

Eef van Beveren, George Rupp

The importance of -matrix unitarity in realistic meson spectroscopy is reviewed, both its historical development and more recent applications. First the effects of imposing -…

nucl-th2020★ 6 cited

Critical properties of calibrated relativistic mean-field models for the transition to warm, non-homogeneous nuclear matter

Olfa Boukari, Helena Pais, Sofija Antić +1

The critical properties for the transition to warm, asymmetric, non-homogeneous nuclear matter are analysed within a thermodynamical spinodal approach for a set of well calibrated…

hep-ph2020★ 15 cited

Two-loop renormalisation of gauge theories in Implicit Regularisation and connections to dimensional methods

A. Cherchiglia, D. C. Arias-Perdomo, A. R. Vieira +2

We compute the two-loop -function of scalar and spinorial quantum electrodynamics as well as pure Yang-Mills and quantum chromodynamics using the background field method in a fu…

astro-ph.HE2020★ 5 cited

Neutron star cooling within the equation of state with induced surface tension

Stefanos Tsiopelas, Violetta Sagun

We study the thermal evolution of neutron stars described within the equation of state with induced surface tension (IST) that reproduces properties of normal nuclear matter, fulfi…

nucl-th2020★ 11 cited

Second virial coefficients of light nuclear clusters and their chemical freeze-out in nuclear collisions

K. A. Bugaev, O. V. Vitiuk, B. E. Grinyuk +13

Here we develop a new strategy to analyze the chemical freeze-out of light (anti)nuclei produced in high energy collisions of heavy atomic nuclei within an advanced version of the…

gr-qc2020★ 21 cited

Superradiant pion clouds around primordial black holes

Paulo B. Ferraz, Thomas W. Kephart, João G. Rosa

We show that highly spinning primordial black holes of mass kg, potentially born in a matter-dominated era after inflation, can produce clouds of pions in their vic…

astro-ph.EP2020★ 30 cited

Discovery and characterization of the exoplanets WASP-148b and c. A transiting system with two interacting giant planets

G. Hebrard, R. F. Diaz, A. C. M. Correia +39

We present the discovery and characterization of WASP-148, a new extrasolar system that includes at least two giant planets. The host star is a slowly rotating inactive late-G dwar…

physics.comp-ph2020★ 16 cited

The Neutron Star Outer Crust Equation of State: A Machine Learning approach

Murarka Utsav Anil, Kinjal Banerjee, Tuhin Malik +1

Constructing the outer crust of the neutron stars requires the knowledge of the Binding Energy (BE) of the atomic nuclei. Although the BE of a lot of the nuclei is experimentally d…

hep-ph2020★ 1 cited

Classical excluded volumes of loosely bound light (anti)nuclei and their chemical freeze-out in heavy ion collisions

B. E. Grinyuk, K. A. Bugaev, V. V. Sagun +12

From the analysis of light (anti)nuclei multiplicities that were measured recently by the ALICE collaboration in Pb+Pb collisions at the center-of-mass collision energy $\sqrt{s_{N…

hep-ph2020★ 6 cited

One-meson-loop NJL model: Effect of collective and noncollective excitations on the quark condensate at finite temperature

Renan Câmara Pereira, Pedro Costa

We explore the effect of including quantum fluctuations in the two flavor NambuJona-Lasinio model at finite temperature. This is accomplished, in a symmetry preserving way, by i…

hep-ph2020★ 2 cited

Non-zero tensor condensates in cold quark matter within the three-flavor Nambu-Jona-Lasinio model with the Kobayashi-Maskawa-'t Hooft interaction

A. Kagawa, M. Morimoto, Y. Tsue +3

The possible formation of tensor condensates originated from a tensor-type interaction between quarks is investigated in the three-flavor Nambu-Jona-Lasinio model including the Kob…

hep-ph2020★ 17 cited

Functional renormalization group study of the critical region of the quark-meson model with vector interactions

Renan Câmara Pereira, Rainer Stiele, Pedro Costa

The critical region of the two flavour quark-meson model with vector interactions is explored using the Functional Renormalization Group technique, a non-perturbative method that t…

astro-ph.HE2020★ 61 cited

Asteroseismology: radial oscillations of neutron stars with realistic equation of state

V. Sagun, G. Panotopoulos, I. Lopes

We study radial oscillations of non-rotating neutron stars (NSs) in four-dimensional General Relativity. The interior of the NS was modelled within a recently proposed multicompone…

hep-ex2020★ 22 cited

Search for dijet resonances in events with an isolated charged lepton using TeV proton-proton collision data collected by the ATLAS detector

ATLAS Collaboration

A search for dijet resonances in events with at least one isolated charged lepton is performed using of TeV proton-proton collision data record…

astro-ph.EP2019★ 37 cited

Andrade rheology in time-domain. Application to Enceladus' dissipation of energy due to forced libration

Yeva Gevorgyan, Gwenaël Boué, Clodoaldo Ragazzo +2

The main purpose of this work is to present a time-domain implementation of the Andrade rheology, instead of the traditional expansion in terms of a Fourier series of the tidal pot…

astro-ph.HE2019★ 110 cited

Neutron stars: new constraints on asymmetric dark matter

O. Ivanytskyi, V. Sagun, I. Lopes

We study an impact of asymmetric dark matter on properties of the neutron stars and their ability to reach the two solar masses limit, which allows us to present a new range of mas…

nucl-th2019★ 46 cited

Unveiling the nuclear matter EoS from neutron star properties: a supervised machine learning approach

Márcio Ferreira, Constança Providência

We explore supervised machine learning methods in extracting the non-linear maps between neutron stars (NS) observables and the equation of state (EoS) of nuclear matter. Using a T…

hep-ph2019★ 3 cited

Spin polarizations under a pseudovector interaction between quarks with the Kobayashi-Maskawa-'t Hooft term in high density quark matter

M. Morimoto, Y. Tsue, J. da Providencia +2

A possibility of a quark spin polarization originated from a pseudovector condensate is investigated in the three-flavor Nambu-Jona-Lasinio model with the Kobayashi-Maskawa-'t Hoof…

hep-ph2019★ 1 cited

Exploration of the phase diagram and the thermodynamic properties of QCD at finite temperature and chemical potential with the PNJL effective model

M. Motta, W. M. Alberico, A. Beraudo +2

The QCD transition from a hadronic to a quark-gluon plasma phase is a cross-over at vanishing/small baryo-chemical potential, while at higher chemical potentials it is argued that…