Status | Confirmed |
Seminar Series | IPHT-MAT |
Subjects | hep-th |
Date | Friday 8 November 2019 |
Time | 14:15 |
Institute | IPHT |
Seminar Room | Salle Claude Itzykson, Bât. 774 |
Speaker's Last Name | Jnanadeva Maharana |
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Speaker's Institution | Institute of Physics and NISER, Bhubaneswar |
Title | Is the Scattering Amplitude Analytic in a Field Theory with a Compact Spatial Coordinate? |
Abstract | It is recognized that higher dimensional spacetime D>4 play an important role in physics. Khuri pointed out several years ago, in nonrelativistic potential scattering with a compact space dimension, that the forward scattering amplitude has nonanalytic behavior under certain circumstance. If such were the case in QFT (with a compact dimension) it will be matter of concerns. We consider a massive, scalar field in flat D=5 dimension and compactify a spatial coordinate on a circle. We study analyticity property of four point amplitude. |
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