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7 papers · 2 filters
The 11-dimensional Metric for AdS/CFT RG Flows with Common SU(3) Invariance
Changhyun Ahn, Taichi Itoh
The compact 7-manifold arising in the compactification of 11-dimensional supergravity is described by the metric encoded in the vacuum expectation values(vevs) in d=4, N=8 gauged s…
Fluxbranes Delaying Brane-Antibrane Annihilation
Hongsu Kim
By intersecting the RR charged D_p - bar{D}_p pair (p=6, 4, 2, 0) with the RR F7-brane and by intersecting the NSNS charged F1-bar{F1} and NS5-bar{NS5} pairs with the NSNS F6-brane…
A note on singular D-branes in group manifolds
Taichi Itoh, Sang-Jin Sin
After reviewing D-branes as conjugacy classes and various charge quantizations (modulo ) in WZW model, we develop the classification and systematic construction of all possible…
Classification and Quantum Moduli Space of D-branes in Group Manifolds
Taichi Itoh, Sang-Jin Sin
We study the classification of D-branes in all compact Lie groups including non-simply-laced ones. We also discuss the global structure of the quantum moduli space of the D-branes.…
Supergravity Approach to Tachyon Potential in Brane-Antibrane Systems
Hongsu Kim
Using an exact supergravity solution representing the Dp-\bar{Dp} system, it is demonstrated that one can construct a supergravity analogue of the tachyon potential. Remarkably, th…
Tachyon mass, c-function and Counting localized degrees of freedom
Sang-Jin Sin
We discuss the localized tachyon condensation in the non-supersymmetric orbifold theories by taking the cosmological constant as the measure of degrees of freedom (d.o.f). We first…