Results 1  10
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304,381
String theory and noncommutative geometry
 JHEP
, 1999
"... We extend earlier ideas about the appearance of noncommutative geometry in string theory with a nonzero Bfield. We identify a limit in which the entire string dynamics is described by a minimally coupled (supersymmetric) gauge theory on a noncommutative space, and discuss the corrections away from ..."
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Cited by 791 (8 self)
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We extend earlier ideas about the appearance of noncommutative geometry in string theory with a nonzero Bfield. We identify a limit in which the entire string dynamics is described by a minimally coupled (supersymmetric) gauge theory on a noncommutative space, and discuss the corrections away from
Open N=2 Strings in a BField Background
, 2000
"... In the presence of Dbranes, fermionic N=2 strings in 2+2 dimensions can be coupled to a Kähler NSNS twoform B. We present the corresponding action which produces N=2 supersymmetric boundary conditions and discuss the SeibergWitten zeroslope limit. After recalling the constraints on the ChanPat ..."
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Paton gauge group, we demonstrate for U(n) groups that the open N=2 string with a nonzero Bfield coincides on tree level with noncommutative selfdual YangMills. Several misconceptions of hepth/0011206 are corrected. On leave from Bogoliubov Laboratory of Theoretical Physics, JINR, Dubna, Russia1
Tachyon condensation with Bfield
 JHEP
"... We discuss classical solutions of a gravitondilatonBµνtachyon system. Both constant tachyon solutions, including AdS3 solutions, and spacedependent tachyon solutions are investigated, and their possible implications to closed string tachyon condensation are argued. The stability issue of the AdS ..."
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Cited by 2 (1 self)
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We discuss classical solutions of a gravitondilatonBµνtachyon system. Both constant tachyon solutions, including AdS3 solutions, and spacedependent tachyon solutions are investigated, and their possible implications to closed string tachyon condensation are argued. The stability issue of the AdS3 solutions is also discussed. 1
On Branes and Oriented Bfields
, 2003
"... Novel theories appear on the worldvolume of branes by orienting B fields along various directions of the branes. We review some of the earlier developments and explore many new examples of these theories. In particular, among other things, we study the pinning effect of branes near conifold like si ..."
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Novel theories appear on the worldvolume of branes by orienting B fields along various directions of the branes. We review some of the earlier developments and explore many new examples of these theories. In particular, among other things, we study the pinning effect of branes near conifold like
(p,q) 5Branes in NonZero BField
, 1999
"... We consider type IIB (p, q) 5branes in constant nonzero background tensor potentials, or equivalently, with finite constant field strength on the brane. At linear level, zeromodes are introduced and the physical degrees of freedom are found to be parametrised by a real 2 or 4form field strength ..."
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background tensor fields are related to Born–Infeld degrees of freedom and to noncommutativity parameters. 2................. Cederwall, Gran, Nielsen, Nilsson: “(p,q) 5Branes in NonZero BField” 1.
Supergravity and Large N Noncommutative Field Theories
, 1999
"... We consider systems of Dp branes in the presence of a nonzero B field. We study the corresponding supergravity solutions in the limit where the branes worldvolume theories decouple from gravity. These provide dual descriptions of large N noncommutative gauge theories. We analyse the phase structure ..."
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We consider systems of Dp branes in the presence of a nonzero B field. We study the corresponding supergravity solutions in the limit where the branes worldvolume theories decouple from gravity. These provide dual descriptions of large N noncommutative gauge theories. We analyse the phase structure
A note on background independence in noncommutative gauge theories, matrix model and tachyon condensation
 JHEP
"... Using the construction of Dbranes with nonzero B field in the matrix model we give a physical interpretation of the known background independence in gauge theories on a noncommutative space. The background independent variables are identified as the degrees of freedom of the underlying matrix model ..."
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Cited by 93 (0 self)
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Using the construction of Dbranes with nonzero B field in the matrix model we give a physical interpretation of the known background independence in gauge theories on a noncommutative space. The background independent variables are identified as the degrees of freedom of the underlying matrix
Nonlinear Instantons from Supersymmetric Pbranes
, 1999
"... Supersymmetric configurations of type II Dbranes with nonzero gauge field strengths in general supersymmetric backgrounds with nonzero B fields are analyzed using the κsymmetric worldvolume action. It is found in dimension four or greater that the usual instanton equation for the gauge field obtai ..."
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Cited by 151 (7 self)
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Supersymmetric configurations of type II Dbranes with nonzero gauge field strengths in general supersymmetric backgrounds with nonzero B fields are analyzed using the κsymmetric worldvolume action. It is found in dimension four or greater that the usual instanton equation for the gauge field
Matrix Strings in a BField
 J. High Energy Phys
"... We study the discrete lightcone quantization (DLCQ) of closed strings in the background of Minkowski spacetime and a constant NeveuSchwarz Bfield. For the Bosonic string, we identify the Bdependent part of the thermodynamic free energy to all orders in string perturbation theory. For every genu ..."
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Cited by 2 (0 self)
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We study the discrete lightcone quantization (DLCQ) of closed strings in the background of Minkowski spacetime and a constant NeveuSchwarz Bfield. For the Bosonic string, we identify the Bdependent part of the thermodynamic free energy to all orders in string perturbation theory. For every
aInstitute of Theoretical Physics Stockholm Centre for Physics, Astronomy and Biotechnology
, 2002
"... We consider the N = 1 supersymmetric twodimensional nonlinear sigma model with boundaries and nonzero Bfield. By analysing the appropriate currents we describe the full set of boundary conditions compatible with N = 1 superconformal symmetry. Using this result the problem of finding a correct act ..."
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We consider the N = 1 supersymmetric twodimensional nonlinear sigma model with boundaries and nonzero Bfield. By analysing the appropriate currents we describe the full set of boundary conditions compatible with N = 1 superconformal symmetry. Using this result the problem of finding a correct
Results 1  10
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304,381