K. S. Viswanathan

Publications120
h-index18
Citations1,559
Highly Influential Citations60
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Gauge/String Duality
1 Dipartimento di Scienze Fisiche, Universita degli Studi di Napoli Federico II, INFN, Sezione di Napoli, Via Cintia, 80126 Napoli, Italy 2 Department of Physics, University of Wales Swansea,…
Conformal field theory correlators from classical field theory on anti–de Sitter space: Vector and spinor fields
We use the AdS-CFT correspondence to calculate CFT correlation functions of vector and spinor fields. The connection between the AdS and boundary fields is properly treated via a Dirichlet boundary…
Conformal field theory correlators from classical scalar field theory on AdS(d+1)
We use the correspondence between scalar field theory on $AdS_{d+1}$ and a conformal field theory on $R^d$ to calculate the 3- and 4-point functions of the latter. The classical scalar field theory…
Flavoured Large N Gauge Theory in an External Magnetic Field
We consider a D7-brane probe of AdS$_{5}\times S^5$ in the presence of pure gauge $B$-field. In the dual gauge theory, the $B$-field couples to the fundamental matter introduced by the D7-brane and…
AdS-CFT correspondence for the massive Rarita-Schwinger field
The complete solution to the massive Rarita-Schwinger field equation in anti-de Sitter space is constructed, and used in the AdS/CFT correspondence to calculate the correlators for the boundary…
Gravastar solutions with continuous pressures and equation of state
We study the gravitational vacuum star (gravastar) configuration as proposed by Cattoen et al (2005 Class. Quantum Grav. 22 4189) in a model where the interior de Sitter spacetime segment is…
Regular and Irregular Boundary Conditions in the AdS/CFT Correspondence
We expand on Klebanov and Witten's recent proposal for formulating the AdS/CFT correspondence using irregular boundary conditions. The proposal is shown to be correct to any order in perturbation…
Planckian-energy scattering, colliding plane gravitational waves and black hole creation
String theory in curved space-time
Intrinsic and extrinsic geometric properties of string world sheets in a curved space-time background are explored. In our formulation, the only dynamical degrees of freedom of the string are its…
The Graviton in the AdS-CFT correspondence: Solution via the Dirichlet Boundary value problem
TLDR
Using the AdS-CFT correspondence, the two point function of CFT energy momentum tensors is calculated by explicitly solving the Dirichlet boundary value problem for x_0=\epsilon.
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