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Thread: question on time travel

  1. #1 question on time travel 
    Junior Member
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    Sep 2013
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    Can frame dragging lead to a closed time-like curve?
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  2. #2  
    Administrator Markus Hanke's Avatar
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    Frame dragging in itself does not lead to CTCs; such constructs do appear mainly in solutions to the field equations which describe objects with ring-shaped singularities ( i.e. black holes with angular momentum ), e.g. the Kerr-Newman metric. Frame dragging is something that occurs around all rotating objects, even the earth, yet we would not expect to find CTCs here.
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