期刊
EUROPEAN PHYSICAL JOURNAL C
卷 79, 期 6, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-019-7011-1
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资金
- Korea Ministry of Education, Science and Technology
- National Research Foundation of Korea [2018R1D1A1B07049126]
- Institute for Basic Science (IBS) [IBS-R018-D1]
- Gyeongsangbuk-Do for Independent Junior Research Group at the Asia Pacific Center for Theoretical Physics
- Pohang City for Independent Junior Research Group at the Asia Pacific Center for Theoretical Physics
We investigate a nucleation of a Euclidean wormhole and its analytic continuation to Lorentzian signatures in Gauss-Bonnet-dilaton gravity, where this model can be embedded by the type-II superstring theory. We show that there exists a Euclidean wormhole solution in this model by choosing a suitable shape of the dilaton potential. After the analytic continuation, this explains a quantum creation of a time-like traversable wormhole. Finally, we discuss relations to the information loss problem and the current literature.
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