SCOAP3 Repository 17 records found  1 - 10nextSearch took 0.02 seconds. 
1. Radion stabilization in higher curvature warped spacetime / Das, Ashmita ; Mukherjee, Hiya ; Paul, Tanmoy ; SenGupta, Soumitra
We consider a five dimensional AdS spacetime in presence of higher curvature term like F(R)=R+αR2 in the bulk. [...]
Published in EPJC 78 (2018) 108 10.1140/epjc/s10052-018-5603-9
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2. Fermion localization in higher curvature and scalar–tensor theories of gravity / Mitra, Joydip ; Paul, Tanmoy ; SenGupta, Soumitra
It is well known that, in a braneworld model, the localization of fermions on a lower dimensional submanifold (say a TeV 3-brane) is governed by the gravity in the bulk, which also determines the corresponding phenomenology on the brane. [...]
Published in EPJC 77 (2017) 833 10.1140/epjc/s10052-017-5420-6
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3. Bouncing cosmology from warped extra dimensional scenario / Das, Ashmita ; Maity, Debaprasad ; Paul, Tanmoy ; SenGupta, Soumitra
From the perspective of four dimensional effective theory on a two brane warped geometry model, we examine the possibility of “bouncing phenomena”on our visible brane. [...]
Published in EPJC 77 (2017) 813 10.1140/epjc/s10052-017-5396-2
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4. Gravity stabilizes itself / Chakraborty, Sumanta ; SenGupta, Soumitra
We show that a possible resolution to the stabilization of an extra spatial dimension (radion) can be obtained solely in the context of gravitational dynamics itself without the necessity of introducing any external stabilizing field. [...]
Published in EPJC 77 (2017) 573 10.1140/epjc/s10052-017-5138-5
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5. Modulus stabilization in a non-flat warped braneworld scenario / Banerjee, Indrani ; SenGupta, Soumitra
The stability of the modular field in a warped brane world scenario has been a subject of interest for a long time. [...]
Published in EPJC 77 (2017) 277 10.1140/epjc/s10052-017-4857-y
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6. Kinematics of radion field: a possible source of dark matter / Chakraborty, Sumanta ; SenGupta, Soumitra
The discrepancy between observed virial and baryonic mass in galaxy clusters have lead to the missing mass problem. [...]
Published in EPJC 76 (2016) 648 10.1140/epjc/s10052-016-4512-z
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7. Solving higher curvature gravity theories / Chakraborty, Sumanta ; SenGupta, Soumitra
Solving field equations in the context of higher curvature gravity theories is a formidable task. [...]
Published in EPJC 76 (2016) 552 10.1140/epjc/s10052-016-4394-0
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8. Lightest Kaluza–Klein graviton mode in a back-reacted Randall–Sundrum scenario / Das, Ashmita ; SenGupta, Soumitra
In search of the extra dimensions in the ongoing LHC experiments, the signatures of the Randall–Sundrum (RS) lightest KK graviton have been in the main focus in recent years. [...]
Published in EPJC 76 (2016) 423 10.1140/epjc/s10052-016-4264-9
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9. Penrose process in a charged axion–dilaton coupled black hole / Ganguly, Chandrima ; SenGupta, Soumitra
Using the Newman–Janis method to construct the axion–dilaton coupled charged rotating black holes, we show that the energy extraction from such black holes via the Penrose process takes place from the axion/Kalb–Ramond field energy responsible for rendering the angular momentum to the black hole. [...]
Published in EPJC 76 (2016) 213 10.1140/epjc/s10052-016-4058-0
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10. Effective gravitational field equations on m -brane embedded in n -dimensional bulk of Einstein and f(R) gravity / Chakraborty, Sumanta ; SenGupta, Soumitra
We have derived effective gravitational field equations on a lower dimensional hypersurface (known as a brane), placed in a higher dimensional bulk spacetime for both Einstein and f(R) gravity theories. [...]
Published in EPJC 75 (2015) 538 10.1140/epjc/s10052-015-3768-z
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37 Sengupta, S.
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