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Jun-Qi Guo The University of Mississippi V. Cardoso, M. Cavagli à , J-Q. Guo, to be submitted.

Gravitational Diffraction Radiation in Higher-Dimensions. Jun-Qi Guo The University of Mississippi V. Cardoso, M. Cavagli à , J-Q. Guo, to be submitted.

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Jun-Qi Guo The University of Mississippi V. Cardoso, M. Cavagli à , J-Q. Guo, to be submitted.

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  1. Gravitational Diffraction Radiation in Higher-Dimensions Jun-Qi Guo The University of Mississippi V. Cardoso, M. Cavaglià, J-Q. Guo, to be submitted. The 16th Midwest Relativity Meeting, Washington University in St. Louis

  2. Outline • Introduction • Computation of the field • Computation of the Poynting vector • Discussion • Summary

  3. particle particle Smooth hidden brane Higher dimensional spacetime Image particle Introduction

  4. Green Function Computation of the field

  5. Computation of the field By Stan Ealeswww.CartoonStock.com Difference between and By Artie Romero and Don Mangan http://www.artie.com D=even D=odd

  6. where Computation of the field For D=even

  7. A general formula for where :Lorentz factor Computation of the field • Recurrence relation

  8. Computation of the Poynting vector

  9. Computation of the Poynting vector

  10. Discussion D=4, D=6,

  11. Extra dimension space? Discussion For circular motion with constant speed: D=4, D=6,

  12. Summary(I) • Find general formulae for and in higher dimensional flat spacetime. • Check that when , . • Find two interesting physical differences between and ; between and .

  13. Summary(II)--next • Odd dimensions • Curved spacetime • Application: gravitational wave background

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