Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.physletb.2011.07.076
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dc.titleA new AF gravitational instanton
dc.contributor.authorChen, Y.
dc.contributor.authorTeo, E.
dc.date.accessioned2014-10-16T09:14:10Z
dc.date.available2014-10-16T09:14:10Z
dc.date.issued2011-09-14
dc.identifier.citationChen, Y., Teo, E. (2011-09-14). A new AF gravitational instanton. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 703 (3) : 359-362. ScholarBank@NUS Repository. https://doi.org/10.1016/j.physletb.2011.07.076
dc.identifier.issn03702693
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95648
dc.description.abstractIt has long been conjectured that the Euclidean Schwarzschild and Euclidean Kerr instantons are the only non-trivial asymptotically flat (AF) gravitational instantons. In this Letter, we show that this conjecture is false by explicitly constructing a new two-parameter AF gravitational instanton with a U(1)×U(1) isometry group, using the inverse-scattering method. It has Euler number χ=3 and Hirzebruch signature τ=1, and its global topology is CP2 with a circle S1 removed appropriately. Various other properties of this gravitational instanton are also discussed. © 2011 Elsevier B.V.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.physletb.2011.07.076
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1016/j.physletb.2011.07.076
dc.description.sourcetitlePhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.description.volume703
dc.description.issue3
dc.description.page359-362
dc.description.codenPYLBA
dc.identifier.isiut000295198300022
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