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Constrained instanton and black hole creation 被引量:1
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作者 wu zhongchao xu donghui 《Science China(Physics,Mechanics & Astronomy)》 SCIE EI CAS 2004年第3期293-309,共17页
A gravitational instanton is considered as the seed for the creation of a universe. However, there exist too few instantons. To include many interesting phenomena in the framework of quantum cosmology, the concept of ... A gravitational instanton is considered as the seed for the creation of a universe. However, there exist too few instantons. To include many interesting phenomena in the framework of quantum cosmology, the concept of constrained gravitational instanton is inevitable. In this paper we show how a primordial black hole is created from a constrained instanton. The quantum creation of a generic black hole in the closed or open background is completely resolved. The relation of the creation scenario with gravitational thermodynamics and topology is discussed. 展开更多
关键词 quantum cosmology CONSTRAINED GRAVITATIONAL instanton BLACK HOLE creation primordial BLACK hole.
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