Zobrazeno 1 - 10
of 910
pro vyhledávání: '"Magli, G."'
Publikováno v:
J.Math.Phys.49:042504,2008
The gravitational collapse of a wide class of self-interacting homogeneous scalar fields models is analyzed. The class is characterized by certain general conditions on the scalar field potential, which, in particular, include both asymptotically pol
Externí odkaz:
http://arxiv.org/abs/0802.0992
The general relativistic dynamics of a wide class of self-interacting, self-gravitating homogeneous scalar fields models is analyzed. The class is characterized by certain general conditions on the scalar field potential, which include both asymptoti
Externí odkaz:
http://arxiv.org/abs/math/0703512
Publikováno v:
Grav.Cosmol. 12 (2006) 115
We show that electromagnetic excitations of rotating black holes can lead to the appearance of narrow singular beams which break up the black hole horizon forming a tube-like region which connects the interior and exterior. It is argued that this eff
Externí odkaz:
http://arxiv.org/abs/astro-ph/0610036
A result of existence of homogeneous scalar field solutions between prescribed configurations is given, using a modified version of Euler--Maupertuis least action variational principle. Solutions are obtained as limit of approximating variational pro
Externí odkaz:
http://arxiv.org/abs/gr-qc/0603119
Publikováno v:
Int. J. Mod. Phys. D18: 1801,2009
The general exact solution of the Einstein-matter field equations describing spherically symmetric shells satisfying an equation of state in closed form is discussed under general assumptions of physical reasonableness. The solutions split into two c
Externí odkaz:
http://arxiv.org/abs/gr-qc/0512089
Publikováno v:
Gen.Rel.Grav.37:1371-1383,2005
A new, globally regular model describing a static, non spherical gravitating object in General Relativity is presented. The model is composed by a vacuum Weyl--Levi-Civita special field - the so called gamma metric - generated by a regular static dis
Externí odkaz:
http://arxiv.org/abs/gr-qc/0407037
Autor:
Jhingan, S., Magli, G.
Non-static, spherically symmetric clusters of counter-rotating particles, of the type first introduced by Einstein, are analysed here. The initial data space can be parameterized in terms of three arbitrary functions, namely; initial density, velocit
Externí odkaz:
http://arxiv.org/abs/gr-qc/9902041
Autor:
Ferrara P; Department of Medicine and Surgery, Università Campus Bio-Medico, Roma, Italy ; Operative Research Unit of Pediatrics, Fondazione Policlinico Universitario Campus Bio-Medico, Roma, Italy . p.ferrara@policlinicocampus.it., Magli G; Institute of Pediatrics, Catholic University, Rome, Italy. giovanna.magli@gmail.com., Malavolta E; Institute of Pediatrics, Catholic University, Rome, Italy . elena.malavolta96@gmail.com., Procaccini E; Department of Neuroscience, Bambino Gesù Children's Hospital, IRCCS, Rome. emidio.procaccini@opbg.net., Massimi L; Pediatric Neurosurgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome. luca.massimi@policlinicogemelli.it., Gatto A; Department of Pediatrics, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italy. antonio.gatto@policlinicogemelli.it.
Publikováno v:
Acta bio-medica : Atenei Parmensis [Acta Biomed] 2023 Dec 05; Vol. 94 (6), pp. e2023223. Date of Electronic Publication: 2023 Dec 05.
Publikováno v:
In Reports on Mathematical Physics 2009 64(1):241-247
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