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ความคิดเห็นที่ 10 |
ต่อมาเสนอว่าหลุมดำมีประจุไฟฟ้า ล้อมรอบด้วยสนามไฟฟ้า
Next, we can look at black holes that carry electric charge. These are not vacuum black holes, since the surrounding space is now filled with an electric field. In the context of general relativity, such fields are a form of matter - the associated energy is a source of gravity.
Stationary, electrically charged black holes are described by a a family of solutions which was found independently by Roy Kerr and Ted Newman in 1963. Black holes of this type are characterized by their mass m, angular momentum J, and electric charge Q: http://www.aei.mpg.de/einsteinOnline/en/spotlights/bh_uniqueness/index.html
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