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Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.084008
Abstract: Within general relativity, we determine the conditions needed for the existence of a toroidal ${T}^{2}$ wormhole. For this purpose, we employ the requirements of the positiveness of the second derivatives of the relevant components of…
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Keywords:
conditions wormhole;
energy conditions;
wormhole center;
energy ... See more keywords