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New black-to-white hole solutions with improved geometry and energy conditions

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We construct new black-to-white hole solutions which connect the geometry of spacetime at some gluing surface inside the hori-zon.The continuity of the metric can be guaranteed up to the arbitrary order which is controlled by the power factor n.This sort of black-to-white holes is characterized by the sub-Planckian scalar curvature,independent of the mass of black-to-white holes.More importantly,we show that the energy condition is only violated within a small region near the gluing surface.The geodesics of particles within the region from black hole to white hole is also analyzed.It turns out that the matter falling into the black hole may pass through the center without singularity and come out from the white hole.This scenario provides novel ideas for understanding the information loss paradox in traditional black hole physics.

regular black holeenergy conditionsingularityquantum gravity

Zhongwen Feng、Yi Ling、Xiaoning Wu、Qingquan Jiang

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School of Physics and Astronomy,China West Normal University,Nanchong 637009,China

Institute of High Energy Physics,Chinese Academy of Sciences,Beijing 100049,China

School of Physics,University of Chinese Academy of Sciences,Beijing 100049,China

Institute of Mathematics,Academy of Mathematics and System Science and Hua Loo-Keng Key Laboratory of Mathematics,Chinese Academy of Sciences,Beijing 100190,China

School of Mathematical Sciences,University of Chinese Academy of Sciences,Beijing 100190,China

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National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaBeijing Natural Science FoundationSichuan science and Technology ProgramSichuan science and Technology ProgramSichuan Youth Science and Technology Innovation Research TeamInnovative Projects of Science and Technology

1203501612275275121052311227535012220312024NSFSC04562023NS-FSC134821CXTD0038E2545BU210

2024

10.1007/s11433-023-2373-0

中国科学:物理学 力学 天文学(英文版)
中国科学院

中国科学:物理学 力学 天文学(英文版)

CSTPCD
影响因子：0.91
ISSN：1674-7348
年,卷(期)：2024.67(7)