Search Results - "Lugones, Germán"

From quark drops to quark stars: Some aspects of the role of quark matter in compact stars by Lugones, Germán

“… We review some recent results about the mechanism of deconfinement of hadronic matter into quark matter in cold neutron stars and protoneutron stars. We…”
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Phase Transition Effects on the Dynamical Stability of Hybrid Neutron Stars by Pereira, Jonas P., Flores, César V., Lugones, Germán

“…We study radial oscillations of hybrid nonrotating neutron stars composed by a quark matter core and hadronic external layers. At first, we physically deduce…”
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Magnetized hybrid stars: effects of slow and rapid phase transitions at the quark–hadron interface by Mariani, Mauro, Orsaria, Milva G, Ranea-Sandoval, Ignacio F, Lugones, Germán

“…ABSTRACT We study the influence of strong magnetic fields in hybrid stars, composed by hadrons and a pure quark matter core, and analyse their structure and…”
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General Relativistic Surface Degrees of Freedom in Perturbed Hybrid Stars by Pereira, Jonas P., Lugones, Germán

“…We study how the nature of a hybrid star (perfect fluid, solid, or a mixture of them) could be related to the induction of general relativistic surface degrees…”
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The role of quark matter surface tension in magnetars by Grunfeld, Ana Gabriela, Lugones, Germán

“…In spite of its key role in compact star physics, the surface tension of quark matter is not well comprehended yet. In this work, we analyze the behavior of…”
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Phase Conversions in Neutron Stars: Implications for Stellar Stability and Gravitational Wave Astrophysics by Lugones, Germán, Grunfeld, Ana Gabriela

“…We review the properties of hybrid stars with a quark matter core and a hadronic mantle, focusing on the role of key micro-physical properties such as the…”
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Probing Elastic Quark Phases in Hybrid Stars with Radius Measurements by Pereira, Jonas P., Bejger, Michał, Tonetto, Lucas, Lugones, Germán, Haensel, Paweł, Zdunik, Julian Leszek, Sieniawska, Magdalena

“…Abstract The internal composition of neutron stars is currently largely unknown. Due to the possibility of phase transitions in quantum chromodynamics, stars…”
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Neutrino diffusive transport in hot quark matter: A detailed analysis by Colvero, Gustavo C., Lugones, Germán

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Hydrodynamic Simulations of the Combustion of Dense Hadronic Matter into Quark Matter by Albarracin Manrique, Marcos A., Lugones, Germán

“…We perform special-relativistic one-dimensional hydrodynamic simulations to study the combustion of hadronic matter into quark matter in neutron star…”
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Trileaflet Semilunar Valve Reconstruction: Acute Porcine in Vivo Evaluation by Hanse, Lisa Carlson, Tjørnild, Marcell Juan, Karunanithi, Zarmiga, Høgfeldt Jedrzejczyk, Johannes, Islamagič, Lejla, Hummelshøj, Nynne Emilie, Enevoldsen, Malene, Lugones, Germán, Høj Lauridsen, Mette, Hjortdal, Vibeke Elisabeth, Lugones, Ignacio

“…Objective: The surgical treatment of malformed semilunar valves in congenital heart defects is challenging in terms of providing both longevity and the…”
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The matter of "unbalance" in right dominant atrioventricular septal defect by Lugones, Ignacio, Biancolini, María, Lugones, Germán, Biancolini, Julio, de Dios, Ana

“…Unbalance in atrioventricular septal defect can be found in more than one anatomic level and in different degrees at each level. The definition of "unbalance"…”
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Feasibility of Biventricular Repair in Right Dominant Unbalanced Atrioventricular Septal Defect: A New Echocardiographic Metric to Refine Surgical Decision-Making by Lugones, Ignacio, Biancolini, María Fernanda, Biancolini, Julio César, Dios, Ana M. S. de, Lugones, Germán

“…Background: Unbalanced forms of atrioventricular septal defect continue to be challenging and present poor surgical outcomes. Echocardiographic indicators such…”
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Constraining mass, radius, and tidal deformability of compact stars with axial wI modes: new universal relations including slow stable hybrid stars by Ranea-Sandoval, Ignacio F, Mariani, Mauro, Lugones, Germán, Guilera, Octavio M

“…ABSTRACT We revisit asteroseismology with quadrupolar wI modes and present universal relationships for its fundamental and first overtone. In contrast to…”
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Quark-hadron pasta phase in neutron stars: the role of medium-dependent surface and curvature tensions by Mariani, Mauro, Lugones, Germán

“…Phys. Rev. D 109, 063022 (2024) We investigate the properties of the hadron-quark mixed phase, often termed the \textit{pasta} phase, expected to exist in the…”
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From quark drops to quark stars: some aspects of the role of quark matter in compact stars by Lugones, Germán

“…Eur. Phys. J. A 52, 53 (2016) We review some recent results about the mechanism of deconfinement of hadronic matter into quark matter in cold neutron stars and…”
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A model-agnostic analysis of hybrid stars with reactive interfaces by Lugones, Germán, Mariani, Mauro, Ranea-Sandoval, Ignacio F

“…We study hybrid stars considering the effects on stellar stability of the hadron-quark conversion speed at the sharp interface. The equation of state is…”
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Could a slow stable hybrid star explain the central compact object in HESS~J1731-347? by Mariani, Mauro, Ranea-Sandoval, Ignacio F, Lugones, Germán, Orsaria, Milva G

“…Phys. Rev. D 110, 043026, August 2024 We explore an alternative explanation for the low-mass ultra-compact star in the supernova remnant HESS~J1731-347 using a…”
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General relativistic surface degrees of freedom in perturbed hybrid stars by Pereira, Jonas P, Lugones, Germán

“…We study how the nature of a hybrid system (perfect fluid, solid or a mixture of them) could be related to the induction of general relativistic surface…”
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Constraining mass, radius and tidal deformability of compact stars with axial wI modes: new universal relations including slow stable hybrid stars by Ranea-Sandoval, Ignacio F, Mariani, Mauro, Lugones, Germán, Guilera, Octavio M

“…We revisit asteroseismology with quadrupolar wI modes and present universal relationships for its fundamental and first overtone. In contrast to relationships…”
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Breaking of universal relationships of axial wI-modes in hybrid stars: rapid and slow hadron-quark conversion scenarios by Ranea-Sandoval, Ignacio F, Guilera, Octavio M, Mariani, Mauro, Lugones, Germán

“…Multi-messenger astronomy with gravitational waves is a blooming area whose limits are not clear. After the first detection of binary black hole merger and the…”
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