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Showing 1998 · hep-thShow all

9 papers · 2 filters

hep-th1998★ 266 cited

D-branes in the WZW model

A. Yu. Alekseev, V. Schomerus

It is stated in the literature that D-branes in the WZW-model associated with the gluing condition J = - \bar{J} along the boundary correspond to branes filling out the whole group…

hep-th1998★ 127 cited

Vacua, Propagators, and Holographic Probes in AdS/CFT

Ulf H. Danielsson, Esko Keski-Vakkuri, Martin Kruczenski

In this paper we investigate the relation between the bulk and boundary in AdS/CFT. We first discuss the relation between the Poincare and the global vacua, and then study various…

hep-th1998★ 35 cited

Generalized Calogero models through reductions by discrete symmetries

Alexios P. Polychronakos

We construct generalizations of the Calogero-Sutherland-Moser system by appropriately reducing a classical Calogero model by a subset of its discrete symmetries. Such reductions re…

hep-th1998★ 146 cited

Bulk and Boundary Dynamics in BTZ Black Holes

Esko Keski-Vakkuri

Recently, the AdS/CFT conjecture of Maldacena has been investigated in Lorentzian signature by Balasubramanian et. al. We extend this investigation to Lorentzian BTZ black hole spa…

hep-th1998★ 360 cited

Partially Dual variables in SU(2) Yang-Mills Theory

Ludvig Faddeev, Antti J. Niemi

We propose a reformulation of SU(2) Yang-Mills theory in terms of new variables. These variables are appropriate for describing the theory in its infrared limit, and indicate that…

hep-th1998

(Meta)stable closed vortices in 3+1 dimensional gauge theories with an extended Higgs sector

Antti J. Niemi, Kaupo Palo, Sami Virtanen

In gauge theories with an extended Higgs sector the classical equations of motion can have solutions that describe stable, closed finite energy vortices. Such vortices separate two…

hep-th1998★ 2 cited

Graviton scattering in an M-orientifold background

Ulf H. Danielsson, Par Stjernberg, Martin Kruczenski

In this paper we study the scattering of gravitons off a five orientifold in eleven dimensions. We compare the supergravity result with a two loop M(atrix) model calculation and fi…

hep-th1998★ 12 cited

Generalized Calogero-Sutherland systems from many-matrix models

Alexios P. Polychronakos

We construct generalizations of the Calogero-Sutherland-Moser system by appropriately reducing a model involving many unitary matrices. The resulting systems consist of particles o…

hep-th1998★ 9 cited

Quarks, monopoles and dyons at large N

Ulf H. Danielsson, Alexios P. Polychronakos

We study a system of external particles of various charges in N =4 super Yang-Mills in the large N limit at finite temperature. We demonstrate that at high enough temperature parti…