2011/12/31 by Prado Martin-Moruno, Nadiezhda Montelongo Garcia, Francisco S. N. Lobo +2 · 2 citations
Engineering · Physics and Astronomy · #Advanced Materials and Mechanics #Black Holes and Theoretical Physics #Construct (python library) #Energy (signal processing) #Field (mathematics) #Layer (electronics) #Quantum Electrodynamics and Casimir Effect #Stability (learning theory) #Surface (topology) #Surface tension #Transition (genetics) #astro-ph.HE #gr-qc #hep-th
paper · pdf · doi:10.1088/1475-7516/2012/03/034
published as JCAP 03 (2012) 034 · V1: 39 pages, 9 figures; V2: 40 pages, 9 figures. References added, some discussion added, some typos fixed. Identical to published version. arXiv admin note: text overlap with arXiv:1112.2057
openalex publication_date 2012/03/26 · arxiv created 2012/03/27 · arxiv updated 2012/08/15 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We construct generic spherically symmetric thin-shell gravastars by using the cut-and-paste procedure. We take considerable effort to make the analysis as general and unified as practicable; investigating both the internal physics of the transition layer and its interaction with "external forces" arising due to interactions between the transition layer and the bulk spacetime. Furthermore, we discuss both the dynamic and static situations. In particular, we consider "bounded excursion" dynamical configurations, and probe the stability of static configurations. For gravastars there is always a particularly compelling configuration in which the surface energy density is zero, while surface tension is nonzero.