Search Results - "Aloy, A."

Magnetorotational core collapse of possible GRB progenitors – I. Explosion mechanisms by Obergaulinger, M, Aloy, M Á

“…ABSTRACT We investigate the explosion of stars with zero-age main-sequence masses between 20 and 35 M⊙ and varying degrees of rotation and magnetic fields…”
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Magnetorotational core collapse of possible GRB progenitors – III. Three-dimensional models by Obergaulinger, M, Aloy, M Á

“…ABSTRACT We explore the influence of non-axisymmetric modes on the dynamics of the collapsed core of rotating, magnetized high-mass stars in three-dimensional…”
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Magnetorotational core collapse of possible GRB progenitors – II. Formation of protomagnetars and collapsars by Aloy, M Á, Obergaulinger, M

“…ABSTRACT We assess the variance of the post-collapse evolution remnants of compact, massive, low-metallicity stars, under small changes in the degrees of…”
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Magnetorotational core collapse of possible gamma-ray burst progenitors – IV. A wider range of progenitors by Obergaulinger, M, Aloy, M Á

“…ABSTRACT The final collapse of the cores of massive stars can lead to a wide variety of outcomes in terms of electromagnetic and kinetic energies,…”
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Nucleosynthesis in magneto-rotational supernovae by Reichert, M, Obergaulinger, M, Eichler, M, Aloy, M Á, Arcones, A

“…ABSTRACT We present the nucleosynthesis of magneto-rotational supernovae (MR-SNe) including neutrino-driven and magneto-rotational-driven ejecta based, for the…”
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r-process Viable Outflows are Suppressed in Global Alpha-viscosity Models of Collapsar Disks by Just, O., Aloy, M. A., Obergaulinger, M., Nagataki, S.

“…Abstract Collapsar disks have been proposed to be rich factories of heavy elements, but the major question of whether their outflows are neutron rich and could…”
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Striped Blandford/Znajek jets from advection of small-scale magnetic field by Mahlmann, J F, Levinson, A, Aloy, M A

“…ABSTRACT Black hole – accretion disc systems are the central engines of relativistic jets from stellar to galactic scales. We numerically quantify the unsteady…”
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The impact of non-dipolar magnetic fields in core-collapse supernovae by Bugli, M, Guilet, J, Obergaulinger, M, Cerdá-Durán, P, Aloy, M A

“…ABSTRACT The magnetic field is believed to play an important role in at least some core-collapse supernovae (CCSN) if its magnitude reaches $10^{15}\, \rm…”
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Device-Independent Witnesses of Entanglement Depth from Two-Body Correlators by Aloy, A., Tura, J., Baccari, F., Acín, A., Lewenstein, M., Augusiak, R.

“…We consider the characterization of entanglement depth in a quantum many-body system from the device-independent perspective; that is, we aim at certifying how…”
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Magnetic field amplification and magnetically supported explosions of collapsing, non-rotating stellar cores by Obergaulinger, M., Janka, H.-Th, Aloy, M. A.

“…We study the amplification of magnetic fields in the collapse and the post-bounce evolution of the core of a non-rotating star of 15 M⊙ in axisymmetry. To this…”
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Coating properties, resistance response, molecular mechanisms and anthracnose decay reduction in green skin avocado fruit (‘Fuerte’) coated with chitosan hydrochloride loaded with functional compounds by Osondu, Hasten Aloy A, Akinola, Stephen A., Shoko, Tinotenda, Pillai, Sreejarani Kesavan, Sivakumar, Dharini

“…•Chitosan - vanillic acid or caffeic acid controlled the anthracnose in avocados.•FTIR data showed chemical interaction of phytochemicals with…”
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A dust-enshrouded tidal disruption event with a resolved radio jet in a galaxy merger by Mattila, S, Pérez-Torres, M, Efstathiou, A, Mimica, P, Fraser, M, Kankare, E, Alberdi, A, Aloy, M Á, Heikkilä, T, Jonker, P G, Lundqvist, P, Martí-Vidal, I, Meikle, W P S, Romero-Cañizales, C, Smartt, S J, Tsygankov, S, Varenius, E, Alonso-Herrero, A, Bondi, M, Fransson, C, Herrero-Illana, R, Kangas, T, Kotak, R, Ramírez-Olivencia, N, Väisänen, P, Beswick, R J, Clements, D L, Greimel, R, Harmanen, J, Kotilainen, J, Nandra, K, Reynolds, T, Ryder, S, Walton, N A, Wiik, K, Östlin, G

“…Tidal disruption events (TDEs) are transient flares produced when a star is ripped apart by the gravitational field of a supermassive black hole (SMBH). We…”
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On the maximum magnetic field amplification by the magnetorotational instability in core-collapse supernovae by Rembiasz, T., Guilet, J., Obergaulinger, M., Cerdá-Durán, P., Aloy, M. A., Müller, E.

“…Whether the magnetorotational instability (MRI) can amplify initially weak magnetic fields to dynamically relevant strengths in core-collapse supernovae is…”
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On the existence of a luminosity threshold of GRB jets in massive stars by Aloy, M A, Cuesta-Martínez, C, Obergaulinger, M

“…ABSTRACT Motivated by the many associations of gamma-ray bursts (GRBs) with energetic supernova (SN) explosions, we study the propagation of relativistic jets…”
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Numerically solving the relativistic Grad–Shafranov equation in Kerr spacetimes: numerical techniques by Mahlmann, J F, Cerdá-Durán, P, Aloy, M A

“…Abstract The study of the electrodynamics of static, axisymmetric, and force-free Kerr magnetospheres relies vastly on solutions of the so-called relativistic…”
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Radiative signature of magnetic fields in internal shocks by Mimica, P., Aloy, M. A.

“…Common models of blazars and gamma-ray bursts assume that the plasma underlying the observed phenomenology is magnetized to some extent. Within this context,…”
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Termination of the magnetorotational instability via parasitic instabilities in core-collapse supernovae by Rembiasz, T., Obergaulinger, M., Cerdá-Durán, P., Müller, E., Aloy, M. A.

“…The magnetorotational instability (MRI) can be a powerful mechanism amplifying the magnetic field in core-collapse supernovae. Whether initially weak magnetic…”
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On the dynamic efficiency of internal shocks in magnetized relativistic outflows by Mimica, P., Aloy, M. A.

“…We study the dynamic efficiency of conversion of kinetic-to-thermal/magnetic energy of internal shocks in relativistic magnetized outflows. We model internal…”
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Numerical models of blackbody-dominated gamma-ray bursts – I. Hydrodynamics and the origin of the thermal emission by Cuesta-Martínez, C., Aloy, M. A., Mimica, P.

“…GRB 101225A is a prototype of the class of blackbody-dominated (BBD) gamma-ray bursts (GRBs). It has been suggested that BBD-GRBs result from the merger of a…”
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Anomalous dynamics triggered by a non-convex equation of state in relativistic flows by Ibáñez, J M, Marquina, A, Serna, S, Aloy, M A

“…Abstract The non-monotonicity of the local speed of sound in dense matter at baryon number densities much higher than the nuclear saturation density (n0 ≈ 0.16…”
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