Browsing by Author "Matt, Visser"

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    Traversable wormholes with arbitrarily small energy condition violations
    (2011-07-05) Matt, Visser; Kar, Sayan; Dadhich, Naresh
    Traversable wormholes necessarily require violations of the averaged null energy condition; this being the definition of “exotic matter”. However, the theorems which guarantee the energy condi- tion violation are remarkably silent when it comes to making quantitative statements regarding the “total amount” of energy condition violating matter in the spacetime. We develop a suitable mea- sure for quantifying this notion, and demonstrate the existence of spacetime geometries containing traversable wormholes that are supported by arbitrarily small quantities of “exotic matter”.