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Fractional cosmic strings
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DOI：10.1088/1361-6382/ad1713.png)
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Abstract
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Topological defects are investigated in the framework of quantum gravity models based on the hypothesis of an effective fractal dimension of the Universe. From a minimal coupling procedure, the tools of fractional calculus are used to determine the geometry associated to a fractional cosmic string. Several results for the propagation of light are discussed, notably the light-deviation angle due to the defect and the geodesics of light.
Keywords:
topological defects
phenomenology of quantum gravity
gravitational lensing
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3.7
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1.3W
Citations:
3.0W
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