Exact gravitational lensing by cosmic strings with junctions

2008/07/28 by Teruaki Suyama
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Pulsars and Gravitational Waves Research #astro-ph #gr-qc #hep-th

paper · pdf · doi:10.1103/physrevd.78.043532

published as Phys.Rev.D78:043532,2008 · 5 pages, accepted for publication in PRD

arxiv created 2008/07/28 · openalex publication_date 2008/08/18 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We point out that the results by Brandenberger et al. [Phys. Rev. D 77, 083502 (2008)] that the geometry around the straight cosmic strings with stationary junctions is flat to linear order in the string tension can be immediately extended to any order.

Citations

• Lensing and CMB anisotropies by cosmic strings at a junction
• Stability of D1-Strings Inside a D3-Brane
• Numerical experiments withpF- andqD-strings: the formation of (p,q) bound states
• Gravitational field of vacuum domain walls and strings
• Collision of cosmic superstrings