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Macroscopic strings as heavy quarks in large N gauge theory and Anti-de Sitter supergravity

by Soo-jong Rey, Jung-tay Yee - PHYS. J. C22
"... Maldacena has put forward large N correspondence between superconformal field theories on the brane and anti-de Sitter supergravity in spacetime. We study some aspects of the correspondence between N = 4 superconformal gauge theory on D3-brane and maximal supergravity on adS5 × S5 by introducing mac ..."
Abstract - Cited by 508 (1 self) - Add to MetaCart
macroscopic strings as heavy (anti)-quark probes. The macroscopic strings are semi-infinite Type IIB strings ending on D3-brane world-volume. We first study deformation and fluctuation of D3-brane when a macroscopic BPS string is attached. We find that both dynamics and boundary conditions agree with those

World-Volume Interactions on D-Branes

by Mohammad R. Garousi, Robert C. Myers , 1998
"... We examine in detail various string scattering amplitudes in order to extract the world-volume interactions of massless fields on a Dirichlet brane. We find that the leading low-energy interactions are consistent with the Born-Infeld and Chern-Simons actions. In particular, our results confirm that ..."
Abstract - Cited by 15 (2 self) - Add to MetaCart
We examine in detail various string scattering amplitudes in order to extract the world-volume interactions of massless fields on a Dirichlet brane. We find that the leading low-energy interactions are consistent with the Born-Infeld and Chern-Simons actions. In particular, our results confirm

Supersymmetric world-volume action for non-BPS

by Ashoke Sen - D-branes,” JHEP , 1999
"... We construct the world-volume action for non-BPS D-branes in type II string theories. This action is invariant under all the unbroken supersymmetries in the bulk, but these symmetries are realised as spontaneously broken symmetries in the world-volume theory. Coupling of this action to background su ..."
Abstract - Cited by 175 (6 self) - Add to MetaCart
We construct the world-volume action for non-BPS D-branes in type II string theories. This action is invariant under all the unbroken supersymmetries in the bulk, but these symmetries are realised as spontaneously broken symmetries in the world-volume theory. Coupling of this action to background

World-Volume Potentials on D-branes ⋆

by P. Khors, T. R. Taylor , 2001
"... We consider a sigma model formulation of open string theory with boundary fermions carrying Chan-Paton charges at the string ends. This formalism is particularly suitable for studying world-volume potentials on D-branes. We perform explicit twoloop sigma model computations of the potential T-dual to ..."
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We consider a sigma model formulation of open string theory with boundary fermions carrying Chan-Paton charges at the string ends. This formalism is particularly suitable for studying world-volume potentials on D-branes. We perform explicit twoloop sigma model computations of the potential T

World-Volume Potentials on D-branes

by Mohammad R. Garousi A, Robert C. Myers C , 2000
"... By evaluating string scattering amplitudes, we investigate various low energy interactions for the massless scalars on a nonabelian Dirichlet brane. We confirm the existence of couplings of closed string fields to the world-volume scalars, involving commutators of the latter. Our results are consist ..."
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By evaluating string scattering amplitudes, we investigate various low energy interactions for the massless scalars on a nonabelian Dirichlet brane. We confirm the existence of couplings of closed string fields to the world-volume scalars, involving commutators of the latter. Our results

Non-commutative world-volume geometries

by Anton Yu. Alekseev, Andreas Recknagel, Volker Schomerus - BRANES ON SU(2) AND FUZZY SPHERES, JHEP 09 , 1999
"... The geometry of D-branes can be probed by open string scattering. If the background carries a non-vanishing B-eld, the world-volume becomes non-commutative. Here we explore the quantization of world-volume geometries in a curved background with non-zero Neveu-Schwarz 3-form eld strength H = dB. Usin ..."
Abstract - Cited by 82 (8 self) - Add to MetaCart
The geometry of D-branes can be probed by open string scattering. If the background carries a non-vanishing B-eld, the world-volume becomes non-commutative. Here we explore the quantization of world-volume geometries in a curved background with non-zero Neveu-Schwarz 3-form eld strength H = d

Brane Configurations for Branes at Conifolds

by Angel M. Uranga
"... We show that a set of type IIB D3 branes at a conifold singularity is T dual to a type IIA configuration of D4 branes stretched between two relatively rotated NS fivebranes. The T duality can be applied to a large family of other non-orbifold singularities. The four-dimensional N = 1 field theories ..."
Abstract - Cited by 58 (5 self) - Add to MetaCart
on the D3 brane world-volume can be easily described using the IIA brane configuration. These models include families of chiral theories continuously connected to the theories appearing in brane box models (or D3 branes at orbifold singularities). We propose that flop transitions between topologically

On Gauge Dynamics and SUSY Breaking in Orientiworld

by Zurab Kakushadze , 2002
"... In the Orientiworld framework the Standard Model fields are localized on D3-branes sitting on top of an orientifold 3-plane. The transverse 6-dimensional space is a non-compact orbifold (or a more general conifold). The 4-dimensional gravity on D3-branes is reproduced due to the 4-dimensional Einste ..."
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Einstein-Hilbert term induced at the quantum level. The orientifold 3-plane plays a crucial role, in particular, without it the D3-brane world-volume theories would be conformal due to the tadpole cancellation. We study nonperturbative gauge dynamics in various N = 1 supersymmetric orientiworld models

N=1,2 4D Superconformal Field Theories and Supergravity in AdS5

by Sergio Ferrara, Alberto Zaffaroni , 1998
"... We consider D3 branes world-volume theories substaining N = 1, 2 superconformal field theories. Under the assumption that these theories are dual to N = 2, 4 supergravities in AdS5, we explore the general structure of the latter and discuss some issues when comparing the bulk theory to the boundary ..."
Abstract - Cited by 3 (0 self) - Add to MetaCart
We consider D3 branes world-volume theories substaining N = 1, 2 superconformal field theories. Under the assumption that these theories are dual to N = 2, 4 supergravities in AdS5, we explore the general structure of the latter and discuss some issues when comparing the bulk theory to the boundary

A world-volume perspective on the recombination of intersecting branes

by J. Erdmenger, Z. Guralnik, R. Helling, I. Kirsch - JHEP
"... Abstract: We study brane recombination for supersymmetric configurations of intersecting branes in terms of the world-volume field theory. This field theory contains an impurity, corresponding to the degrees of freedom localized at the intersection. The Higgs branch, on which the impurity fields con ..."
Abstract - Cited by 15 (0 self) - Add to MetaCart
Abstract: We study brane recombination for supersymmetric configurations of intersecting branes in terms of the world-volume field theory. This field theory contains an impurity, corresponding to the degrees of freedom localized at the intersection. The Higgs branch, on which the impurity fields
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