抄録
According to previous work, topological defects expand exponentially without end if the vacuum expectation value of the Higgs field is of the order of the Planck mass. We extend the study of inflating topological defects to Brans-Dicke gravity. With the help of numerical simulations we investigate the dynamics and spacetime structure of a global monopole. Contrary to the case of Einstein gravity, any inflating monopole eventually shrinks and takes a stable configuration. We also discuss cosmological constraints on the model parameters.
| 本文言語 | English |
|---|---|
| 論文番号 | 103504 |
| ページ（範囲） | 1-8 |
| ページ数 | 8 |
| ジャーナル | Physical Review D - Particles, Fields, Gravitation and Cosmology |
| 巻 | 59 |
| 号 | 10 |
| DOI | |
| 出版ステータス | Published - 1999 5月 15 |
| 外部発表 | はい |
ASJC Scopus subject areas
- 物理学および天文学（その他）