Das, Saurya
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Browsing Das, Saurya by Subject "Braneworld model"
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- ItemStability and hierarchy problems in string inspired braneworld scenarios(2015-12-15) Das, Saurya; Dey, Anindya; SenGupta, SoumitraWe generalise the RS braneworld model by taking into account a general stringy bulk containing the scalar dilaton field and the two-form Kalb-Ramond field, apart from gravity. Assuming small fluctuations around a RS background, the back-reacted warp factor is obtained. It is shown that the fine tuning problem in connection with the Higgs mass reappears in a new guise and the effective modular potential fails to stabilise the braneworld.