Ellis wormhole

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August undefined, 2024

WebOct 24, 2024 · The Ellis drainhole is the earliest-known complete mathematical model of a traversable wormhole. It is a static, spherically symmetric solution of the Einstein … WebWe consider the propagation of light along a 3D nanophotonic structure with the spatial shape of a spacetime containing a traversable wormhole. We show that waves experience significant changes of phase and group velocities when propagating along this curved space. This experiment can be realized with state-of-the-art nanophotonics technology.

Gravitational lensing by using the 0th order of affine ... - Springer

WebDec 1, 2016 · Here we consider perturbations of the wormhole which was constructed without thin-shells: the Bronnikov-Ellis wormhole supported by the phantom matter and electromagnetic field. This wormhole solution is known to be stable under specific equation of state of the phantom matter. We show that if one does not use the above thin-shell … WebSep 4, 2014 · We present rotating wormhole solutions in General Relativity, which are supported by a phantom scalar field. These solutions evolve from the static Ellis … ticketsatwork concert

Quasiperiodic oscillations in rotating Ellis wormhole spacetimes

WebMay 29, 2024 · For an extension of the previous work on gravitational lensing by massless braneworld black holes, we investigate their microlensing phenomena and shadows and discuss how to distinguish them from standard Schwarzschild black holes and Ellis wormholes. Microlensing is known as the phenomenon in which luminosity amplification … Webare populated by massless Ellis wormholes as conjectured by Abe [25], it is of importance to calculate their observable signatures. In this paper, we shall study the observables for massless dyonic wormhole in the Einstein-Maxwell-dilaton (EMD)theory [27] vis- a-vis those of massless Ellis wormhole of the EMS theory [23]. WebNov 30, 2024 · The lensing eﬀect of the simplest Ellis wormhole in the. strong-ﬁeld limit is well-studied [44, 45]. Howev er, the. magniﬁcation of more generic wormholes might be hard. to evaluate. Hence ... tickets at work company list

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Ellis wormhole - Wikipedia

WebWe propose a new method of detecting Ellis wormholes by use of the images of wormholes surrounded by optically thin dust. First, we derive steady solutions of dust and more general medium surrounding the wormhole by solving relativistic Euler equations. We find two types of dust solutions: one is a static solution with arbitrary density profile, and … WebSep 1, 2024 · The Ellis-Bronnikov wormhole (4D-EB) [57,58] was constructed separately by Ellis and Bronnikov employing phantom scalar field (a field with negative kinetic term) and is one of the most researched ... tickets at work confirmation numberWebOct 26, 2016 · While an Ellis wormhole does not show sign of gravitation because it was specifically constructed to do so, some other wormholes may not be so unforgiving. What a traveller may experience with the curved space-time in the transition zone which creates the dizzying effect is very strong gravitation. So once you get too near to other wormholes ... tickets at work cone health

"WebJun 4, 2024 · In this paper, we investigate the simplest wormhole solution - the Ellis-Bronnikov one - in the context of the Asymptotically Safe Gravity (ASG) at the Planck scale. We work with three models, which employ Ricci scalar, Kretschmann scalar, and squared Ricci tensor to improve the field equations by turning the Newton constant into a running … " - Ellis wormhole

Ellis wormhole

WebOct 4, 2011 · The Ellis wormhole is known to be a massless wormhole, which means that the asymptotic mass at infinity is zero. The Ellis wormhole is expressed by the line … WebJun 9, 2024 · In the Ellis wormhole metrics, we study the characteristics of fluid dynamics and the properties of linear sound waves. By implying the energy–momentum equation and the continuity equation in ...

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WebHowever, in the Ellis wormhole spacetime, there is an analytic solution of the geodesic equation in terms of elliptic integral functions. Because of the spherical symmetry and staticity of the metric, it suffices to consider geodesics in the hypersurface . This two-dimensional surface can be embedded in the three-dimensional Euclidean space. WebA massless wormhole called Ellis wormhole was found by Ellis as the simplest wormhole solution of the Einstein equations with a phantom scalar ﬁeld in 1973 [24] and by …

WebMay 20, 2015 · The Ellis wormhole was not an appropriate starting point for our Interstellar work. Christopher Nolan, the movie's director, wanted to see how the wormhole's visual appearance depends on its shape, so the shape had to be adjustable, which is not the case for the Ellis wormhole. WebA recent work by Dey and Sen derived the approximate light deflection angle α by an Ellis wormhole in terms of proper radial distance ℓ that covers the entire spacetime. On the other hand, Bodenner and Will calculated the expressions for light bending in Schwarzschild geometry using various coordinates and showed that they all reduce to a ...

WebJul 21, 2024 · If my understanding of relativity is correct (a big if), two observers in different frames of reference disagree about alignment of the space-axis and the time-axis, and therefore it follows that the previous statement about "curved in space only" can only be valid from one frame of reference, presumably the rest frame of the Ellis wormhole ... WebIn connection to detection, Ohgami & Sakai (2015) have a proposal for a new method by use of the images of the Ellis-type wormholes shadow surrounded by optically thin dust, whereas Dai ...

WebOct 4, 2011 · The Ellis wormhole is known to be a massless wormhole, which means that the asymptotic mass at infinity is zero. The Ellis wormhole is expressed by the line element where a is the throat radius of the wormhole. However, this wormhole deflects light by gravitational lensing ...

WebSep 30, 2024 · Whereas static Ellis wormholes possess an unstable radial mode in both four and higher dimensions [16, 31,32,33,34], the inclusion of rotation might stabilize … tickets at work columbiaWebJun 8, 2015 · We propose a new method of detecting Ellis wormholes by use of the images of wormholes surrounded by optically thin dust. First, we derive steady solutions of dust … tickets at work corporate office addressWebJul 16, 2024 · We study strong gravitational lensing by a class of static wormhole geometries. Analytical approaches to the same are developed, and the results differ substantially from strong lensing by black holes, first reported by Bozza. the little mermaid 2 disney screencapsWebThis paper is devoted to computing the weak deflection angle for the Kalb–Ramond traversable wormhole solution in plasma and dark matter mediums by using the method of Gibbons and Werner. To acquire our results, we evaluate Gaussian optical curvature by utilizing the Gauss–Bonnet theorem in the weak field limits. We also investigate the … ticketsatwork contact number the little mermaid 2 alexWebApr 11, 2024 · 3.3 An Ellis–Bronnikov wormhole. An Ellis–Bronnikov wormhole is the solution of Einstein equations with a phantom scalar field [82, 83]. The deflection angle in the Ellis–Bronnikov wormhole spacetime has investigated by Chetouani and Clément and it has been revisited by several authors [63, 85,86,87,88,89,90,91]. tickets at work concertsWebEllis's wormhole is the simplest traversable wormhole. - GitHub - Raikhik/Ellis-Wormhole: Ellis's wormhole is the simplest traversable wormhole. ticketsatwork contact