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Morris Wormhole - Thorne

Image of a simulation of a wormhole that passes through, connecting the area in front of the physics institutes of the University of Tubingen with sand dunes near Boulogne-sur-Mer in northern France . The image was calculated using four-dimensional ray tracing in the metric of the Morris – Thorn wormhole, but the gravitational effect on the wavelength of light was not simulated.

The Morris - Thorne Wormhole is an example of a mole burrowable . The Lorentzian passable wormhole allows you to go in both directions from one part of the Universe to another. The possibility of a passable wormhole was first demonstrated by Kip Thorne and his graduate student Mike Morris in a 1988 article [1] . Therefore, this type of passage of a wormhole kept in an open position by the spherical shell of exotic matter is called the Morris-Thorne wormhole . Later, other types of traversable wormholes were discovered within the framework of feasible solutions to the general theory of relativity, including a different analysis of wormholes in a 1989 article by Matt Wisser, which states that the path through the wormhole may not be laid through the region of exotic matter [2] . However, in the Gauss - Bonnet gravity (modification of the general theory of relativity with the participation of additional spatial changes, which are sometimes studied in the context of brane cosmology ), exotic matter is not required to allow the existence of passable wormholes [3] . The type of wormhole held in the open position by a negative mass of cosmic strings was proposed by Visser in collaboration with Kramer and others, in addition, it was indicated that such tunnels could arise in the early Universe [4] .

Wormholes connect two points in space-time, which in principle allows you to move both in time and in space. In 1988, Morris, Thorne, and Yurtsever worked on how to transform the passage of time in a wormhole at the time of displacement [1] . However, in accordance with the general theory of relativity, it would be impossible to use the wormhole for a backward time travel earlier than when the wormhole is converted to a time machine due to the acceleration of one of the two mouths [5] .

Shatsky A.A. et al. Investigated a spherical model of a wormhole buried (in their case, called “ dynamic ”), consisting of dust with negative mass density and electromagnetic field, while this model is not in equilibrium. They note that the model of impenetrable (" static ") wormhole served as the initial one, and the matter used in the works is a gravitating scalar field . The peculiarity of this work is that the used model of the passable wormhole is included in the spherical model of the Multiverse , which represents an infinite number of spherical worlds [6] . Potential candidates, the mouths of wormholes, will be studied using space interferometers Radioastron and Millimetron [7] .

Literature

  • DeBenedictis, Andrew and Das, A. On a General Class of Wormhole Geometries (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Junushaliev, Vladimir. Strings in the Einstein's paradigm of matter (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Einstein A. , Rosen N. The Particle Problem in the General Theory of Relativity // Phys. Rev. - 1935. - Vol. 48. - P. 73–77.
  • Fuller RW , Wheeler JA Causality and Multiply Connected Space-Time // Phys. Rev. - 1962. - Vol. 128, No. 2. - P. 919–929.
  • Garattini, Remo. How Spacetime Foam modifies the brick wall (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • González-Díaz, Pedro F. Quantum time machine (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • González-Díaz, Pedro F. Ringholes and closed timelike curves (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Khatsymosky, Vladimir M. Towards possibility of self-maintained vacuum traversable wormhole (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Krasnikov, Serguei. Counter example to a quantum inequality (unspecified) . arXiv eprint server . Date of treatment August 12, 2005.
  • Krasnikov, Serguei. The quantum inequalities do not forbid spacetime shortcuts (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Li, Li-Xin. Two Open Universes Connected by a Wormhole: Exact Solutions (Neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Morris M. , Thorne K. , Yurtsever U. Wormholes, Time Machines, and the Weak Energy Condition // Physical Review Letters. - 1988. - Vol. 61, No. 13. - P. 1446-1449. - .
  • Morris MS , Thorne KS Wormholes in spacetime and their use for interstellar travel: A tool for teaching general relativity // American Journal of Physics. - 1988. - Vol. 56. - P. 395-412. Archived July 1, 2011. .
  • Nandi, Kamal K. and Zhang, Yuan-Zhong. A Quantum Constraint for the Physical Viability of Classical Traversable Lorentzian Wormholes (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Ori, Amos. A new time-machine model with compact vacuum core (unspecified) . arXiv eprint server . Date of treatment August 12, 2005.
  • Roman, Thomas, A. Some Thoughts on Energy Conditions and Wormholes (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Teo, Edward. Rotating traversable wormholes (neopr.) . arXiv eprint server . Date of treatment August 12, 2005.
  • Visser, Matt. The quantum physics of chronology protection by Matt Visser. (unspecified) . arXiv eprint server . Date of treatment August 12, 2005.
  • Visser M. Traversable wormholes: Some simple examples // Phys. Rev. D. - 1989. - Vol. 39, No. 10. - P. 3182-3184. - DOI : 10.1103 / PhysRevD.39.3182 .

Notes

  1. ↑ 1 2 Morris M. , Thorne K. , Yurtsever U. Wormholes, Time Machines, and the Weak Energy Condition // Physical Review Letters. - 1988. - Vol. 61, No. 13. - P. 1446-1449. - .
  2. ↑ Visser M. Traversable wormholes: Some simple examples // Phys. Rev. D. - 1989. - Vol. 39, No. 10. - P. 3182-3184. - DOI : 10.1103 / PhysRevD.39.3182 .
  3. ↑ Gravanis E. , Willison S. 'Mass without mass' from thin shells in Gauss-Bonnet gravity // Phys. Rev. D. - 2007. - Vol. 75, No. 8.- DOI : 10.1103 / PhysRevD.75.084025 .
  4. ↑ Cramer JG , Forward RL , Morris MS , Visser M. , Benford G. , Landis GA Natural Wormholes as Gravitational Lenses // Physical Review D. - 1995. - Vol. 51, No. 6. - P. 3117–3120. - DOI : 10.1103 / PhysRevD.51.3117 .
  5. ↑ Thorne C.S. 14 Wormholes and time machines // Black holes and folds of time: Einstein's bold legacy. - M .: Publishing House of the Phys.-Math. literature, 2007. - S. 506-507.
  6. ↑ Shatsky A.A. , Novikov I.D. , Kardashev N.S. A dynamic model of the wormhole and the Multiverse model // Uspekhi Fizicheskikh Nauk. - 2008. - T. 178 , No. 5 . - S. 481-488 . - DOI : 10.3367 / UFNr.0178.200805c.0481 .
  7. ↑ Novikov I.D. , Kardashev N.S. , Shatsky A.A. Multicomponent Universe and wormhole astrophysics // Uspekhi Fizicheskikh Nauk. - 2007. - T. 177, No. 9 . - S. 1017-1023 . - DOI : 10.3367 / UFNr.0177.200709g . 017 .

Links

  • Winter K. Wormhole "- a corridor of time (neopr.) . Roscosmos television studio (November 12, 2011).
  • What exactly is a 'wormhole'? Have wormholes been proven to exist or are they still theoretical? (eng.) . Scientific American, a Division of Nature America, Inc (September 15, 1997).
  • Visser M. Why wormholes? . General Interest Articles . Victoria University of Wellington, New Zealand (October 3, 1996) .
  • Current theory on wormhole creation . Ideas Based On What We'd Like To Achieve . NASA .gov .
  • Rodrigo E. Questions and Answers about Wormholes (English) (2005).
  • Müller Th. Visualization of a Morris-Thorne wormhole . Institut für Visualisierung und Interaktive Systeme (inaccessible link) . Universität Stuttgart . Date of treatment May 2, 2015. Archived July 19, 2011.
Source - https://ru.wikipedia.org/w/index.php?title= Morris_Wormhole_— Thorne&oldid = 100745946


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