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21 papers · 2 filters
Precision Microstate Counting of Small Black Rings
Atish Dabholkar, Norihiro Iizuka, Ashik Iqubal +1
We examine certain two-charge supersymmetric states with spin in five-dimensional string theories which can be viewed as small black rings when the gravitational coupling is large.…
Non-Supersymmetric Attractors in String Theory
Prasanta K. Tripathy, Sandip P. Trivedi
We find examples of non-supersymmetric attractors in Type II string theory compactified on a Calabi Yau three-fold. For a non-supersymmetric attractor the fixed values to which the…
An Index for 4 dimensional Super Conformal Theories
Justin Kinney, Juan Maldacena, Shiraz Minwalla +1
We present a trace formula for an index over the spectrum of four dimensional superconformal field theories on time. Our index receives contributions from states inva…
Closed string tachyons, flips and conifolds
K. Narayan
Following the analysis of tachyons and orbifold flips described in hep-th/0412337, we study nonsupersymmetric analogs of the supersymmetric conifold singularity and show using thei…
Exact operator bosonization of finite number of fermions in one space dimension
Avinash Dhar, Gautam Mandal, Nemani V Suryanarayana
We derive an exact operator bosonization of a finite number of fermions in one space dimension. The fermions can be interacting or noninteracting and can have an arbitrary hamilton…
The Phase Structure of Low Dimensional Large N Gauge Theories on Tori
Ofer Aharony, Joseph Marsano, Shiraz Minwalla +3
In this paper we continue our study of the thermodynamics of large N gauge theories on compact spaces. We consider toroidal compactifications of pure SU(N) Yang-Mills theories and…
R-charged AdS_{5} black holes and large N unitary matrix models
Pallab Basu, Spenta R. Wadia
Using the AdS/CFT, we establish a correspondence between the intricate thermal phases of R-charged AdS_{5} blackholes and the R-charge sector of the N=4 gauge theory, in the large…
Plasma-balls in large N gauge theories and localized black holes
Ofer Aharony, Shiraz Minwalla, Toby Wiseman
We argue for the existence of plasma-balls - meta-stable, nearly homogeneous lumps of gluon plasma at just above the deconfinement energy density - in a class of large N confining…
Non-Supersymmetric Attractors
Kevin Goldstein, Norihiro Iizuka, Rudra P. Jena +1
We consider theories with gravity, gauge fields and scalars in four-dimensional asymptotically flat space-time. By studying the equations of motion directly we show that the attrac…
Precision Counting of Small Black Holes
Atish Dabholkar, Frederik Denef, Gregory W. Moore +1
It has recently been proposed that a class of supersymmetric higher-derivative interactions in N=2 supergravity may encapsulate an infinite number of finite size corrections to the…
Bosonization of non-relativstic fermions in 2-dimensions and collective field theory
Avinash Dhar
We revisit bosonization of non-relativistic fermions in one space dimension. Our motivation is the recent work on bubbling half-BPS geometries by Lin, Lunin and Maldacena (hep-th/0…
Bubbling Orientifolds
Sunil Mukhi, Mikael Smedbäck
We investigate a class of 1/2-BPS bubbling geometries associated to orientifolds of type IIB string theory and thereby to excited states of the SO(N)/Sp(N) N=4 supersymmetric Yang-…
A Note on D1-D5-J System and 5D Small Black Ring
Norihiro Iizuka, Masaki Shigemori
The ``small'' black ring in 5D obtained by giving angular momentum to the D1-D5 system compactified on S^1 x K3 is a very interesting object in the sense that it does not have an e…
c=1 Matrix Models: Equivalences and Open-Closed String Duality
Anindya Mukherjee, Sunil Mukhi
We give an explicit demonstration of the equivalence between the Normal Matrix Model (NMM) of c=1 string theory at selfdual radius and the Kontsevich-Penner (KP) model for the same…
A quantum McKay correspondence for fractional 2p-branes on LG orbifolds
Bobby Ezhuthachan, Suresh Govindarajan, T. Jayaraman
We study fractional 2p-branes and their intersection numbers in non-compact orbifolds as well the continuation of these objects in Kahler moduli space to coherent sheaves in the co…
D3 Brane Action and Fermion Zero Modes in Presence of Background Flux
Prasanta K. Tripathy, Sandip P. Trivedi
We derive the fermion bilinear terms in the world volume action for a D3 brane in the presence of background flux. In six-dimensional compactifications non-perturbative corrections…
Finite temperature effective action, AdS_5 black holes, and 1/N expansion
Luis Alvarez-Gaume, Cesar Gomez, Hong Liu +1
We propose a phenomenological matrix model to study string theory in AdS_5 \times S_5 in the canonical ensemble. The model reproduces all the known qualitative features of the theo…
A first order deconfinement transition in large N Yang-Mills theory on a small 3-sphere
Ofer Aharony, Joseph Marsano, Shiraz Minwalla +2
We give an analytic demonstration that the 3+1 dimensional large N SU(N) pure Yang-Mills theory, compactified on a small 3-sphere so that the coupling constant at the compactificat…
On tachyons, gauged linear sigma models, and flip transitions
David R. Morrison, K. Narayan
We study systems of multiple localized closed string tachyons and the phenomena associated with their condensation, in C3/ZN nonsupersymmetric noncompact orbifold singularities usi…
Brane Inflation, Solitons and Cosmological Solutions: I
Pisin Chen, Keshav Dasgupta, K. Narayan +2
In this paper we study various cosmological solutions for a D3/D7 system directly from M-theory with fluxes and M2-branes. In M-theory, these solutions exist only if we incorporate…
The Spectrum of Yang Mills on a Sphere
Alexander Barabanschikov, Lars Grant, Lisa L Huang +1
In this note, we determine the representation content of the free, large N, SU(N) Yang Mills theory on a sphere by decomposing its thermal partition function into characters of the…