Theoretical Physics Colloquium
Aspects of large N QCD phase diagrams and AdS/CFT
by Prof. Gautam Mandal (TIFR)
Tuesday, April 9, 2013
from
to
(Asia/Kolkata)
at Colaba Campus ( AG69 )
at Colaba Campus ( AG69 )
Description |
We will review some recent developments in understanding large N Yang-Mills/QCD phase diagrams in various dimensions. Parts of the phase diagrams are calculated using standard perturbative gauge theory techniques, sometimes with additional ingredients such as large flavour. We will discuss two dimensional adjoint scalar QCD where the large flavour method allows exact analytic computation of phase boundaries which agrees with numerical calculations. Other parts of the phase diagrams, corresponding to strong 'tHooft coupling, are described using AdS/CFT techniques. We will review the conventional holographic dual of QCD in four spacetime dimensions. We will briefly describe a crucial problem with the conventional gravity dual of the deconfined phase and propose a model which avoids it. The result that chiral symmetry restoration happens at a higher temperature than the decofinement transition is retained in our model. |