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Deriving the AdS/CFT Correspondence

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The AdS/CFT correspondence has been one of the main engines driving progress in theoretical physics over the last two decades. I will begin by discussing why it is important to arrive at a first principles understanding of the underlying mechanism of this duality relating quantum field theories and string theories (or other theories of gravity). I will then proceed to discuss a very general approach which aims to relate large N QF Ts and string theories, starting from free field theories. This corresponds to a tensionless limit of the dual string theory on AdS spacetime. Finally, I will discuss the specific case of an AdS_3/CFT_2 duality where one can carry this program through to fruition, going from the string theory to the field theory and vice versa.

This talk is part of the Wednesday HEP-GR Colloquium series.

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