Journal
PHYSICAL REVIEW D
Volume 91, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.104008
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Funding
- Taiwan National Science Council [NSC101-2811-M-002-103]
- Ministry of Education, Science, Sports and Culture of Japan [25610055]
- Grants-in-Aid for Scientific Research [25610055] Funding Source: KAKEN
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We present a new definition of the wormhole throat including the flare-out condition and the feature corresponding to the traversability for general dynamical spacetimes in terms of null geodesic congruences. We will examine our definition for some examples and see advantages compared to the others.
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