57 citations · 376 across the 20 of their papers we have counts for
20 papers
Hadron-quark phase transitions along proto-neutron-star evolution
P. Laskos-Patkos, P. S. Koliogiannis, Ch. C. Moustakidis
The new era of multi-messenger astronomy requires the accurate and self-consistent derivation of the nuclear equation of state at high temperature. In the present work, we focused…
Universal relation between dipole polarizability of finite nuclei and neutron-star compactness
P. S. Koliogiannis, T. Ghosh, E. Yuksel +1
The nuclear equation of state, which determines the structure and properties of neutron stars, remains subject to substantial theoretical uncertainties, leading to model dependence…
Statistical complexity as a probe of mass and phase structure in compact objects
Ch. D. Giannios, P. S. Koliogiannis, Ch. C. Moustakidis
In this work, we present a comprehensive and systematic study of the statistical complexity, originally introduced by López-Ruiz, Mancini, and Calbet [Phys. Lett. A 209, 321-326 (1…
Dipole Polarizability of Finite Nuclei as a Probe of Neutron Stars
P. S. Koliogiannis, E. Yuksel, T. Ghosh +1
Nuclear ground state and collective excitation properties provide a means to probe the nuclear matter equation of state and establish connections between observables in finite nucl…
How the HESS J1731-347 event could be explained using condensation
M. Veselsky, P. S. Koliogiannis, V. Petousis +2
The recent observation of a compact star with a mass of and a radius of km, located within the supernova remnant H…
Hybrid stars in light of the HESS J1731-347 remnant and the PREX-II experiment
P. Laskos-Patkos, P. S. Koliogiannis, Ch. C. Moustakidis
The recent analysis on the central compact object in the HESS J1731-347 remnant suggests interestingly small values for its mass and radius. Such an observation favors soft nuclear…
Twin stars as probes of the nuclear equation of state: effects of rotation through the PSR J0952-0607 pulsar and constraints via the tidal deformability from the GW170817 event
Lazaros Tsaloukidis, P. S. Koliogiannis, A. Kanakis-Pegios +1
In agreement with the constantly increasing gravitational wave events, new aspects of the internal structure of compact stars can be considered. A scenario in which a first order t…
Thermodynamics of Hot Neutron Stars and Universal Relations
P. Laskos-Patkos, P. S. Koliogiannis, A. Kanakis-Pegios +1
Over the last few years, the detection of gravitational waves from binary neutron star systems has rekindled our hopes for a deeper understanding of the unknown nature of ultradens…
Configurational entropy as a probe of the stability condition of compact objects
P. S. Koliogiannis, G. A. Tsalis, C. P. Panos +1
We systematically extend the statement that the configurational entropy provides an alternative approach to studying gravitational stability of compact objects, carried out in the…
Thermal effects on tidal deformability in the last orbits of an inspiraling binary neutron star system
A. Kanakis-Pegios, P. S. Koliogiannis, Ch. C. Moustakidis
The study of binary neutron stars mergers by the detection of the emitted gravitational waves is one of the most promised tools to study the properties of dense nuclear matter at h…
Neutron Stars and Gravitational Waves: the Key Role of Nuclear Equation of State
P. S. Koliogiannis, A. Kanakis-Pegios, Ch. C. Moustakidis
Neutron stars are the densest known objects in the universe and an ideal laboratory for the strange physics of super-condensed matter. Theoretical studies in connection with recent…
Thermal effects on tidal deformability of a coalescing binary neutron star system
A. Kanakis-Pegios, P. S. Koliogiannis, Ch. C. Moustakidis
The study of neutron star mergers by the detection of the emitted gravitational waves is one of the most promised tools to study the properties of dense nuclear matter at high dens…
Twin stars: probe of phase transition from hadronic to quark matter
T. Deloudis, P. S. Koliogiannis, Ch. C. Moustakidis
In agreement with the gravitational-wave events which are constantly increasing, new aspects of the internal structure of compact stars have come to light. A scenario in which a fi…
Crust-core interface and bulk neutron star properties
Ch. Margaritis, P. S. Koliogiannis, A. Kanakis-Pegios +1
The nuclear symmetry energy plays an important role in the description of the properties of finite nuclei as well as neutron stars. Especially, for low values of baryon density, th…
Probing the nuclear equation of state from the existence of a neutron star: the GW190814 puzzle
A. Kanakis-Pegios, P. S. Koliogiannis, Ch. C. Moustakidis
On August 14, 2019, the LIGO/Virgo collaboration observed a compact object with mass , as a component of a system where the main companion was…
Speed of sound constraints from tidal deformability of neutron stars
A. Kanakis-Pegios, P. S. Koliogiannis, Ch. C. Moustakidis
The upper bound of the speed of sound in dense nuclear matter is one of the most interesting but still unsolved problems in Nuclear Physics. Theoretical studies in connection with…
Thermodynamical Description of Hot, Rapidly Rotating Neutron Stars, Protoneutron Stars, and Neutron Star Merger Remnants
P. S. Koliogiannis, Ch. C. Moustakidis
The prediction of the equation of state of hot, dense nuclear matter is one of the most complicated and interesting problems in nuclear astrophysics. At the same time, knowledge of…
Speed of sound constraints on maximally rotating neutron stars
Ch. Margaritis, P. S. Koliogiannis, Ch. C. Moustakidis
The observation of maximally rotating neutron stars (in comparison to nonrotating ones) may provide more information on the behavior of nuclear matter at high densities. We provide…
Effects of the equation of state on the bulk properties of maximally-rotating neutron stars
P. S. Koliogiannis, Ch. C. Moustakidis
Neutron stars are among the densest known objects in the universe and an ideal laboratory for the strange physics of super-condensed matter. While the simultaneously measurements o…
Constraints on the equation of state from the stability condition of neutron stars
P. S. Koliogiannis, Ch. C. Moustakidis
The stellar equilibrium and collapse, including mainly white dwarfs, neutron stars and supper massive stars, is an interplay between general relativistic effects and the equation o…