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SUMMARY:2013 Spring High Energy Particle Physics Seminar: Ahmad Borzou
DESCRIPTION;ENCODING=QUOTED-PRINTABLE:Ahmad Borzou=0D=0A=
Ph. D. Candidate, Baylor University=0D=0A=
General Relativity as an Effective Field of a Power_Counting Renormalizable Tensor-Tensor Theory of Gravity=0D=0A=
To obtain a power-counting renormalizable theory of gravity, we introduce an extra tensor field, and assume that it is very heavy. This enables us to use the techniques of the effective field theory to eliminate the extra field in the infrared. Except one term we can reproduce Einstein-Hilbert lagrangian to the third order if the heavy particle is a vector field. We show that if instead we utilize a rank three tensor, the effective lagrangian is identical to the Einstein-Hilbert one at least up to the third order and, hence, its symmetry runs from the Poincare at high energies to the general covariance at low energies.=0D=0A=
For More information, please contact: Dr. Jay Dittmann 254-710- 2275
LOCATION:Baylor Sciences Building, Room A.202
DTSTART;TZID=US_Central:20130318T153000
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