| Issue |
Europhys. Lett.
Volume 55, Number 3, August 2001
|
|
|---|---|---|
| Page(s) | 310 - 316 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2001-00416-x | |
| Published online | 01 December 2003 | |
Maximum mass-radius ratios for charged compact general relativistic objects
1
Department of Physics, The University of Science
and Technology Clear Water Bay, Hong Kong, PRC
2
Department of Physics, The University of Hong
Kong Pokfulam Road, Hong Kong, PRC
Corresponding authors: mkmak@vtc.edu.hk aadobson@ust.hk tcharko@hkusua.hku.hk
Received:
29
August
2000
Accepted:
28
May
2001
Upper limits for the mass-radius ratio and total charge are derived for stable charged general relativistic matter distributions. For charged compact objects the mass-radius ratio exceeds the value 4/9 corresponding to neutral stars. General restrictions for the red shift and total energy (including the gravitational contribution) are also obtained.
PACS: 04.20.-q – Classical general relativity / 97.60.-s – Late stages of stellar evolution (including black holes)
© EDP Sciences, 2001
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