On the nature of cosmic strings in the brane world
arXiv:2208.09589 · doi:10.1016/j.cjph.2023.03.001
Abstract
We investigate a static, cylindrically symmetric cosmic string on the brane without a perturbative approximation. We find there could be a (large) enhancement of the (effective) string tension when the energy density at the center of the string is (much) larger than twice the brane tension. We also point out a new way to evade the cosmic string problem when the energy density at the center of the string approaches twice the brane tension. These findings could have experimental and theoretical implications for searching for cosmic strings on the brane, in particular for cosmic strings generated after inflation (such as D-term inflation) on the brane.
arXiv comment11 pages, 3 figures, the version to be published in the Chinese Journal of Physics
References in corpus (17)
- A Large Mass Hierarchy from a Small Extra Dimension
- An Alternative to Compactification
- Cosmic strings
- The Einstein Equations on the 3-Brane World
- Brane-World Gravity
- The NANOGrav 12.5-year Data Set: Search For An Isotropic Stochastic Gravitational-Wave Background
- D-Term Inflation
- How generic is cosmic string formation in SUSY GUTs
- Hybrid Inflation from Supergravity D Terms
- Cosmic String Interpretation of NANOGrav Pulsar Timing Data
- Probing the gravitational wave background from cosmic strings with LISA
- Placing limits on the stochastic gravitational-wave background using European Pulsar Timing Array data
- Has NANOGrav found first evidence for cosmic strings?
- Constraints on cosmic strings using data from the first Advanced LIGO observing run
- D-term inflation in braneworld models: Consistency with cosmic-string bounds and early-time Hubble tension resolving models
- Brane World Linearized Cosmic String Gravity
- Solution for a local straight cosmic string in the braneworld gravity