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19 papers · 2 filters
Nonlinear Fluid Dynamics from Gravity
Sayantani Bhattacharyya, Veronika E Hubeny, Shiraz Minwalla +1
Black branes in AdS5 appear in a four parameter family labeled by their velocity and temperature. Promoting these parameters to Goldstone modes or collective coordinate fields -- a…
Proposal for an experiment to search for Randall-Sundrum type corrections to Newton's law of gravitation
Mofazzal Azam, M. Sami, C. S. Unnikrishnan +1
String theory, as well as the string inspired brane-world models such as the Randall-Sundrum (RS) one, suggest a modification of Newton's law of gravitation at small distance scale…
The instability of intersecting fuzzy spheres
Takehiro Azuma, Subrata Bal, Jun Nishimura
We discuss the classical and quantum stability of general configurations representing many fuzzy spheres in dimensionally reduced Yang-Mills-Chern-Simons models with and without su…
Gauge Theory Duals of Cosmological Backgrounds and their Energy Momentum Tensors
Adel Awad, Sumit R. Das, K. Narayan +1
We revisit Type IIB supergravity backgrounds with null and spacelike singularities with natural gauge theory duals proposed in {\tt hep-th/0602107} and {\tt hep-th/0610053}. We sho…
Duality Symmetry and the Cardy Limit
Suresh Nampuri, Prasanta K. Tripathy, Sandip P. Trivedi
We study supersymmetric and non-supersymmetric extremal black holes obtained in Type IIA string theory compactified on K3 X T^2, with duality group O(6,22,Z) X SL(2,Z). In the Card…
Supersymmetric Giant Graviton Solutions in AdS_3
Gautam Mandal, Suvrat Raju, Mikael Smedbäck
We parameterize all classical probe brane configurations that preserve 4 supersymmetries in (a) the extremal D1-D5 geometry, (b) the extremal D1-D5-P geometry, (c) the smooth D1-D5…
Monte Carlo Studies of the GWW Phase Transition in Large-N Gauge Theories
Takehiro Azuma, Pallab Basu, Spenta R. Wadia
In the study of the small ten-dimensional Schwarzschild blackhole, the blackhole to string transition is an important problem. In hep-th/0605041, a possible identification is made…
Kinematical Analogy for Marginal Dyon Decay
Anindya Mukherjee, Sunil Mukhi, Rahul Nigam
We describe a kinematical analogy for the marginal decay of 1/4-BPS dyons in 4-dimensional N=4 string compactifications. In this analogy, the electric and magnetic charges play the…
Twistor Strings with Flavour
James Bedford, Constantinos Papageorgakis, Konstantinos Zoubos
We explore the tree-level description of a class of N=2 UV-finite SYM theories with fundamental flavour within a topological B-model twistor string framework. In particular, we ide…
Sakai-Sugimoto model, Tachyon Condensation and Chiral symmetry Breaking
Avinash Dhar, Partha Nag
We modify the Sakai-Sugimoto model of chiral symmetry breaking to take into account the open string tachyon which stretches between the flavour D8-branes and anti D8-branes. There…
Large rotating AdS black holes from fluid mechanics
Sayantani Bhattacharyya, Subhaneil Lahiri, R. Loganayagam +1
We use the AdS/CFT correspondence to argue that large rotating black holes in global AdS(D) spaces are dual to stationary solutions of the relativistic Navier-Stokes equations on S…
Dyon Death Eaters
Anindya Mukherjee, Sunil Mukhi, Rahul Nigam
We study general two-body decays of primitive and non-primitive 1/4-BPS dyons in four-dimensional type IIB string compactifications. We find a ``master equation'' for marginal stab…
On The Stability of Non-Supersymmetric Attractors in String Theory
Suresh Nampuri, Prasanta K. Tripathy, Sandip P. Trivedi
We study non-supersymmetric attractors obtained in Type IIA compactifications on Calabi Yau manifolds. Determining if an attractor is stable or unstable requires an algebraically c…
Plasmarings as dual black rings
Subhaneil Lahiri, Shiraz Minwalla
We construct solutions to the relativistic Navier-Stokes equations that describe the long wavelength collective dynamics of the deconfined plasma phase of N=4 Yang Mills theory com…
Matrix Big Brunch
J. Bedford, C. Papageorgakis, D. Rodriguez-Gomez +1
Following the holographic description of linear dilaton null Cosmologies with a Big Bang in terms of Matrix String Theory put forward by Craps, Sethi and Verlinde, we propose an ex…
Comments on the Spectrum of CHL Dyons
Atish Dabholkar, Davide Gaiotto, Suresh Nampuri
We address a number of puzzles relating to the proposed formulae for the degeneracies of dyons in orbifold compactifications of the heterotic string to four dimensions with …
Mesonic Chiral Rings in Calabi-Yau Cones from Field Theory
Lars Grant, K. Narayan
We study the half-BPS mesonic chiral ring of the N=1 superconformal quiver theories arising from N D3-branes stacked at Y^pq and L^abc Calabi-Yau conical singularities. We map each…
Supersymmetric States in M5/M2 CFTs
Sayantani Bhattacharyya, Shiraz Minwalla
We propose an exact, finite formula for the partition function over BPS states in the conformal field theory on the world volume of coincident M5 branes and $1/8…
One entropy function to rule them all
Kevin Goldstein, Rudra P. Jena
We study the entropy of extremal four dimensional black holes and five dimensional black holes and black rings is a unified framework using Sen's entropy function and dimensional r…