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Thin shell wormhole

WebDec 1, 2024 · Dynamics of thin-shell wormholes within the context of gravity by joining two identical copies of Reissner–Nordstrom–de Sitter manifold using the cut and paste approach is discussed. The stability of wormholes is analyzed through the radial perturbation about the static solution and the modified generalized Chaplygin gas … WebMar 13, 2014 · Thin-shell wormholes (TSWs) constitute one of the wormhole classes in which the exotic matter is confined on a hypersurface and therefore can be minimized [1–16] (the \(d\)-dimensional thin-shell wormhole is considered in [] and the case with a cosmological constant is studied in []).Finding a physical (i.e. non-exotic) source to …

Linearized stability analysis of thin-shell wormholes with a ...

WebJul 20, 2024 · We construct a thin-shell wormhole using the cut and paste technique from regular charged black holes with a Non-linear electrodynamics source (proposed by L.Balart and E.C.Vagenas).Using... WebDec 2, 2024 · Recently, a distinct shadow mechanism was proposed by Wang et al. from the asymmetric thin-shell wormhole (ATW) [X. Wang et al., Phys. Lett. B 811, 135930 (2024)]. On the other hand, Gralla, Holz, and Wald's work [Phys. Rev. D 100, 024018 (2024)] represented a nice description of photon rings in the presence of an accretion disk around a black … dogfish tackle \u0026 marine https://gs9travelagent.com

Phys. Rev. D 104, 124010 (2024) - Observational signature and ...

WebDec 22, 2011 · Various aspects of this thin-shell wormhole are analyzed, particularly the equation of state relating pressure and density. Also it has been discussed the attractive or repulsive nature of the wormhole. We also make a survey of stability of this wormhole. 2 Thin-Shell Wormhole Construction WebJul 7, 2024 · However, by considering the asymmetric thin-shell wormhole (ATSW) model, we find that the impact parameter of the null geodesics is discontinuous through the … WebJun 30, 1995 · The class of spherically-symmetric thin-shell wormholes provides a particularly elegant collection of exemplars for the study of traversable Lorentzian wormholes. In the present paper we consider linearized (spherically symmetric) perturbations around some assumed static solution of the Einstein field equations. This … dog face on pajama bottoms

(PDF) Thin-shell wormholes: Linearization stability

Category:A New Class of Stable (2+1) Dimensional Thin Shell Wormhole

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Thin shell wormhole

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WebJan 1, 1996 · The class of spherically-symmetric thin-shell wormholes provides a particularly elegant collection of exemplars for the study of traversable Lorentzian … WebOct 24, 2016 · Wormholes Quantum Corrected Schwarzschild Thin Shell Wormhole Authors: Kimet Jusufi University of Tetova Abstract and Figures Recently, Ali and Khalil \cite {Farag Ali}, based on the Bohmian...

Thin shell wormhole

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WebJan 31, 2024 · After that, we discuss stable thin-shell wormholes with negative-tension branes in Reissner–Nordström–(anti) de Sitter spacetimes in d-dimensional Einstein gravity. Imposing Z 2 symmetry, we construct and classify traversable static thin-shell wormholes in spherical, planar and hyperbolic symmetries. It is found that the spherical ... WebJan 31, 2024 · Wormholes represent very special topological objects in a curved space-time. They are generally understood as traversable bridges or shortcuts connecting distant …

WebThin-Shell Wormholes A powerful theoretical method for constructing a class of spherically symmetric wormholes from black-hole spacetimes was proposed by Visser [ 6 ]. The starting point is a spherically symmetric line element describing a black-hole spacetime. Web(g) Kernels which are wormy, or have worm frass adhering, or have worm cuts which are more than superficial. (h) Kernels which have dark yellow color penetrating the flesh, or yellow pitting extending deep into the kernel. §51.1242 Count per pound. "Count per pound" means the number of peanuts in a pound. When determining the count per

WebOct 1, 2024 · We use Israel thin-shell formalism to evaluate the stress-energy tensor components of matter distribution located at the wormhole throat. The stability of thin-shell is investigated by using equations of state (phantom-like and generalized Chaplygin gas model) for exotic matter and radial perturbation about equilibrium throat radius. WebOct 6, 2024 · The optical characteristics of a thin-shell wormhole (TSW) with a Hayward profile are investigated. Adopting the ray-tracing method, we demonstrate that its contralateral spacetime can reflect a significant fraction of light back to observer spacetime. We derive the effective potential, light deflection, and azimuthal angle of the TSW and …

Webworm shell, any marine snail of the family Vermetidae (subclass Prosobranchia, class Gastropoda). The shell of these snails consists of an irregularly coiled, narrow tube that …

WebFeb 9, 2024 · Using a black hole with scalar hair, we construct a scalar thin-shell wormhole (TSW) in 2+1 dimensions by applying the Visser cut and paste technique. The surface … dogezilla tokenomicsWebDec 10, 2024 · Novel shadows from the asymmetric thin-shell wormhole 1. Introduction. The image of M87* taken by Event Horizon Telescope made its debut and revealed the … dog face kaomojiWebDec 25, 2024 · The study of thin-shell wormhole is a very interesting topic in GR as well as modified theories of gravity. Sharif and Javed [26,27,28,29] constructed thin-shell wormholes from different types of BH spacetimes and also examined their stability through various types of matter contents. doget sinja goricaWebThin-shell wormholes belong to one of the wormhole classes in which exotic matter is restricted at the hypersurface. To make sure that the observer does not encounter nonphysical zone of BH, a thin shell strengthens the wormhole provided that it has an exotic matter for its maintenance against gravitational collapse. dog face on pj'sWebOct 1, 2024 · Thin-shell wormhole Scalar curvature 1. Introduction Wormholes are geometrical objects that act as a tunnel for linking two spacetimes or two different parts of the same spacetime. These are obtained as particular solutions of Einstein’s field equations in general relativity (GR). dog face emoji pngWebIn this letter, we focus on an asymmetric thin-shell wormhole (ATSW) spacetime, more specially, a static thin shell connecting two distinct Schwarzschild space- times whose di erence is only the mass parameter [14]. The Generic spherically symmetric dynamic thin-shell traversable wormholes and their stabilities were discussed dog face makeupWebAug 21, 2013 · To obtain the Schwarzschild thin-shell wormhole we follow the 'surgery' method of Visser [5, 6].This method was also applied by Kashgarin and Sushkov [] for the construction of the Kerr thin-shell wormhole (see section 3.2).The procedure is as follows: we cut the Schwarzschild spacetime outside the event horizon h = 1 at some value of the … dog face jedi