Astrophysics in Strong Electromagnetic Fields and Laboratory Astrophysics
arXiv:1905.13439
Abstract
Recent observations of gravitational waves from binary mergers of black holes or neutron stars and the rapid development of ultra-intense lasers lead strong field physics to a frontier of new physics in the 21st century. Strong gravity phenomena are most precisely described by general relativity, and lasers that are described by another most precisely tested quantum electrodynamics (QED) can be focused into a tiny area in a short period through the chirped pulse amplification and generate extremely high intensity electromagnetic (EM) fields beyond the conventional methods. It is physically interesting to study QED phenomena in curved spacetimes, in which both strong gravitational and electromagnetic fields play important roles. There are many sources for strong gravitational and electromagnetic fields in the sky or universe, such highly magnetized neutron stars, magnetized black holes, and the early universe. We review quantum field theoretical frameworks for QED both in the Minkowski spacetime and curved spacetimes, in particular, charged black holes and the early universe, and discuss the QED physics in strong EM fields, such as the vacuum polarization and Schwinger pair production and their implications to astrophysics and cosmology.
arXiv commentLaTex 30 pages, 1 figure; review for "Strong EM Field Physics and Laboratory Astrophysics" session of Marcel Grossmann Meeting 15, Rome, July 1-7, 2018
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- Schwinger Effect from Near-extremal Black Holes in (A)dS Space
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- Schwinger Effect in Near-extremal Charged Black Holes in High Dimensions
- Induced energy-momentum tensor of Dirac field in 2D de Sitter QED
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