عنوان
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Phantom-like behavior of a DGP-inspired Scalar-Gauss-Bonnet gravity
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نوع پژوهش
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مقاله چاپ شده
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کلیدواژهها
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cosmology with extra dimensions, cosmology of theories beyond the SM, cosmological applications of theories with extra dimensions, dark energy theory
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چکیده
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We study the phantom-like behavior of a DGP-inspired braneworld scenario where curvature correction on the brane is taken into account. We include a possible modification of the induced gravity on the brane by incorporating higher order curvature terms of Gauss-Bonnet type. We investigate the cosmological implications of the model and we show that the normal branch of the scenario self-accelerates in this modified scenario without introducing any dark energy component. Also, a phantom-like behavior can be realized in this model without introducing any phantom field that suffers from serious difficulties such as violation of the null energy condition.
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پژوهشگران
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محمد رضا ستاره (نفر سوم)، طاهره عزیزی (نفر دوم)، کوروش نوذری (نفر اول)
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