| Автор | Kouji Nakamura |
| Дата выпуска | 2002-02-21 |
| dc.description | The initial data of the gravitational field produced by a thick loop string are considered. We show that a thick loop is not a geodesic on the initial hypersurface, while a loop conical singularity is. This suggests that there is a critical thickness of a string, at which the linear perturbation theory with a flat space background fails to describe the gravity of a loop cosmic string. Using the above initial data, we also show that the linear perturbation around the flat space is plausible if the string thickness is larger than ∼5 × 10<sup>−3</sup>a, where a is the curvature radius of the loop. |
| Формат | application.pdf |
| Издатель | Institute of Physics Publishing |
| Название | Initial condition of a gravitating thick loop cosmic string and linear perturbations |
| Тип | paper |
| DOI | 10.1088/0264-9381/19/4/310 |
| Electronic ISSN | 1361-6382 |
| Print ISSN | 0264-9381 |
| Журнал | Classical and Quantum Gravity |
| Том | 19 |
| Первая страница | 783 |
| Последняя страница | 797 |
| Аффилиация | Kouji Nakamura; Theory Division, National Astronomical Observatory, Mitaka, Tokyo, 181-8588, Japan; Department of Physics, Keio University, Hiyoshi Yokohama, 223-8521, Japan |
| Выпуск | 4 |
