10-16 June 2018
Dalhousie University
America/Halifax timezone
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A symmetry of Brans-Dicke gravity as a novel solution-generating technique

11 Jun 2018, 17:30
15m
SUB 224 (cap.50) (Dalhousie University)

SUB 224 (cap.50)

Dalhousie University

Oral (Non-Student) / Orale (non-étudiant(e)) Theoretical Physics / Physique théorique (DTP-DPT) M3-3 General Relativity I (DTP) I Relativité générale I (DPT)

Speaker

Dr Dilek Kazici Ciftci (Department of Physics, Namık Kemal University, Tekirdag, Turkey & Department of Physics and Astronomy, Bishop’s University, Canada)

Description

Brans-Dicke gravity, enriched by the possibility of an arbitrary potential V (ϕ) for the Brans-Dicke scalar field, and in the presence of conformally invariant matter admits a 1-parameter symmetry group. We explore the use of these symmetries as a solution-generating technique using known solutions as seeds. We apply this technique to generate, as examples, new spatially homogeneous and isotropic cosmologies, a 3-parameter family of spherical and time-dependent spacetimes conformal to a Campanelli-Lousto geometry, and a new family of cylindrically symmetric geometries

Primary authors

Prof. Valerio Faraoni (Department of Physics and Astronomy and STAR Research Cluster, Bishop’s University, Canada) Dr Dilek Kazici Ciftci (Department of Physics, Namık Kemal University, Tekirdag, Turkey & Department of Physics and Astronomy, Bishop’s University, Canada) Mr Shawn D Belknap-Keet (Department of Physics and Astronomy, Bishop’s University, Canada)

Presentation Materials

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