Please use this identifier to cite or link to this item:
https://doi.org/10.1016/j.physletb.2011.07.076
| Title: | A new AF gravitational instanton | Authors: | Chen, Y. Teo, E. |
Issue Date: | 14-Sep-2011 | Citation: | Chen, 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 | Abstract: | It 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. | Source Title: | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | URI: | http://scholarbank.nus.edu.sg/handle/10635/95648 | ISSN: | 03702693 | DOI: | 10.1016/j.physletb.2011.07.076 |
| Appears in Collections: | Staff Publications |
Show full item record
Files in This Item:
There are no files associated with this item.
SCOPUSTM
Citations
7
checked on Apr 16, 2019
WEB OF SCIENCETM
Citations
7
checked on Apr 9, 2019
Page view(s)
42
checked on Apr 21, 2019
Google ScholarTM
Check
Altmetric
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.