We consider a well-known class of homogeneous solutions of the Einstein–Maxwell equations found by Siklos and prove that all these spacetimes are nontrivial Ricci solitons. In particular, these examples show that several rigidity results for homogeneous Lorentzian gradient Ricci solitons do not extend to the non-gradient case.
Titolo: | Siklos spacetimes as homogeneous Ricci solitons |
Autori: | CALVARUSO, Giovanni (Corresponding) |
Data di pubblicazione: | 2019 |
Rivista: | |
Abstract: | We consider a well-known class of homogeneous solutions of the Einstein–Maxwell equations found by Siklos and prove that all these spacetimes are nontrivial Ricci solitons. In particular, these examples show that several rigidity results for homogeneous Lorentzian gradient Ricci solitons do not extend to the non-gradient case. |
Handle: | http://hdl.handle.net/11587/434077 |
Appare nelle tipologie: | Articolo pubblicato su Rivista |
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