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- Roman_ring abstract "A Roman ring, in theoretical physics, is a configuration of wormholes where no subset of wormholes is near to chronology violation, though the combined system can be arbitrarily close to chronology violation.For example, an Earth-Moon wormhole whose far end is 0.5 seconds in the \"past\" will not violate causality, since information sent to the far end via the wormhole and back through normal space will still arrive back on Earth (-0.5 + 1) = 0.5 seconds after it was transmitted; but an additional wormhole in the other direction will allow information to arrive back on Earth 1 second before it was transmitted (time travel).Semiclassical approaches to incorporating quantum effects into general relativity seem to show that the chronology protection conjecture postulated by physicist Stephen Hawking fails to prevent the formation of such rings, although some experts such as Matt Visser feel that there are reasons to think the semiclassical approach is unreliable here, and that a full theory of quantum gravity will likely uphold chronology protection.".
- Roman_ring thumbnail Roman_ring_with_one_wormhole.png?width=300.
- Roman_ring wikiPageID "1027166".
- Roman_ring wikiPageLength "1890".
- Roman_ring wikiPageOutDegree "18".
- Roman_ring wikiPageRevisionID "635562736".
- Roman_ring wikiPageWikiLink Category:General_relativity.
- Roman_ring wikiPageWikiLink Category:Time_travel.
- Roman_ring wikiPageWikiLink Category:Wormhole_theory.
- Roman_ring wikiPageWikiLink Causality.
- Roman_ring wikiPageWikiLink Chronology_protection_conjecture.
- Roman_ring wikiPageWikiLink Earth.
- Roman_ring wikiPageWikiLink File:Roman_ring_with_four_wormholes.png.
- Roman_ring wikiPageWikiLink File:Roman_ring_with_one_wormhole.png.
- Roman_ring wikiPageWikiLink File:Roman_ring_with_two_wormholes.png.
- Roman_ring wikiPageWikiLink Information.
- Roman_ring wikiPageWikiLink Matt_Visser.
- Roman_ring wikiPageWikiLink Moon.
- Roman_ring wikiPageWikiLink Physics.
- Roman_ring wikiPageWikiLink Quantum_gravity.
- Roman_ring wikiPageWikiLink Relativity_of_simultaneity.
- Roman_ring wikiPageWikiLink Semiclassical_gravity.
- Roman_ring wikiPageWikiLink Stephen_Hawking.
- Roman_ring wikiPageWikiLink Wormhole.
- Roman_ring wikiPageWikiLinkText "Roman ring".
- Roman_ring wikiPageUsesTemplate Template:About.
- Roman_ring wikiPageUsesTemplate Template:Cite_arxiv.
- Roman_ring wikiPageUsesTemplate Template:Relativity-stub.
- Roman_ring subject Category:General_relativity.
- Roman_ring subject Category:Time_travel.
- Roman_ring subject Category:Wormhole_theory.
- Roman_ring hypernym Configuration.
- Roman_ring type Aircraft.
- Roman_ring type Type.
- Roman_ring type Physic.
- Roman_ring type Redirect.
- Roman_ring type Type.
- Roman_ring comment "A Roman ring, in theoretical physics, is a configuration of wormholes where no subset of wormholes is near to chronology violation, though the combined system can be arbitrarily close to chronology violation.For example, an Earth-Moon wormhole whose far end is 0.5 seconds in the \"past\" will not violate causality, since information sent to the far end via the wormhole and back through normal space will still arrive back on Earth (-0.5 + 1) = 0.5 seconds after it was transmitted; but an additional wormhole in the other direction will allow information to arrive back on Earth 1 second before it was transmitted (time travel).Semiclassical approaches to incorporating quantum effects into general relativity seem to show that the chronology protection conjecture postulated by physicist Stephen Hawking fails to prevent the formation of such rings, although some experts such as Matt Visser feel that there are reasons to think the semiclassical approach is unreliable here, and that a full theory of quantum gravity will likely uphold chronology protection.".
- Roman_ring label "Roman ring".
- Roman_ring sameAs Q618282.
- Roman_ring sameAs Anillo_romano.
- Roman_ring sameAs m.03_hcr.
- Roman_ring sameAs Q618282.
- Roman_ring wasDerivedFrom Roman_ring?oldid=635562736.
- Roman_ring depiction Roman_ring_with_one_wormhole.png.
- Roman_ring isPrimaryTopicOf Roman_ring.
