Readdressing the hierarchy problem in a Randall-Sundrum scenario with bulk Kalb-Ramond background

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dc.contributor.authorDas, Saurya
dc.contributor.authorDey, Anindya
dc.contributor.authorSenGupta, Soumitra
dc.date.accessioned2015-12-16T22:01:33Z
dc.date.available2015-12-16T22:01:33Z
dc.date.issued2015-12-16
dc.descriptionSherpa Romeo green journal. “This is an author-created, un-copyedited version of an article accepted for publication/published in Classical and Quantum Gravity. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it.”en_US
dc.description.abstractWe re-examine the fine tuning problem of the Higgs mass, when an antisymmetric two form Kalb-Ramond (KR) field is present in the bulk of a Randall-Sundrum (RS) braneworld. Taking into account the back-reaction of the KR field, we obtain the exact correction to the RS metric. The modified metric also warps the Higgs mass from Planck scale (in higher dimension) to TeV scale (on the visible brane) for a range of values of kr exceeding the original RS value (where k = Planck mass and r = size of extra dimension). However, it requires an extraordinary suppression of the KR field density, indicating the re-appearence of the fine tuning problem in a different guise. The new spacetime also generates a small negative cosmological constant on the visible brane. These results are particularly relevant for certain string based models, where the KR field is unavoidably present in the bulk. We further show that such a bulk antisymmetric KR field fails to stabilize the braneworld.en_US
dc.description.peer-reviewNoen_US
dc.identifier.citationDas, S., Dey, A., & SenGupta, S. (2006). Readdressing the hierarchy problem in a Randall-Sundrum scenario with bulk Kalb-Ramond background. Classical and Quantum Gravity,23(20-21), L67-L72. https://doi.org/10.1088/0264-9381/23/20/L01
dc.identifier.urihttps://hdl.handle.net/10133/3839
dc.language.isoen_CAen_US
dc.publisher.departmentDepartment of Physicsen_US
dc.publisher.facultyArts and Scienceen_US
dc.publisher.institutionUniversity of Lethbridgeen_US
dc.publisher.institutionHarish-Chandra Research Instituteen_US
dc.publisher.institutionIndian Association for the Cultivation of Scienceen_US
dc.publisher.urlhttps://doi.org/10.1088/0264-9381/23/20/L01
dc.subjectKalb-Ramond fielden_US
dc.subjectKR fielden_US
dc.subjectHiggs massen_US
dc.subjectRandall-Sundrumen_US
dc.titleReaddressing the hierarchy problem in a Randall-Sundrum scenario with bulk Kalb-Ramond backgrounden_US
dc.typeArticleen_US
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