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8 papers · 2 filters
M2-branes wrapped on holomorphic curves
Tasneem Zehra Husain
The generalised calibration for a wrapped membrane is gauge equivalent to the supergravity three-form under which the membrane is electrically charged. Given the relevant calibrati…
Can MAP and Planck map Planck physics?
L. Bergstrom, U. H. Danielsson
We investigate whether a recently proposed modulation of the power spectrum of primordial density fluctuations generated through transplankian (maybe stringy) effects during inflat…
Exact Solutions in Open Bosonic String Field Theory and Marginal Deformation in CFT
J. Kluson
In this paper we continue our study f the exact solution in open bosonic string field theory. We present new solution in the string field theory defined on the background correspon…
Supersymmetric webs of D3/D5-branes in supergravity
Ansar Fayyazuddin
We study webs of D3- and D5-branes in type IIB supergravity. These webs preserve at least 8 supercharges. By solving the Killing spinor equations we determine the form of supergrav…
Marginal Deformations In the Open Bosonic String Field Theory for N D0-branes
J. Kluson
In this short note we give an example of the exact solution of the open bosonic string field theory defined on the background of coincided D0-branes. This solution leads to the…
An unconventional supergravity
Dimitry Leites, Pavel Grozman
We introduce and completely describe the analogues of the Riemann curvature tensor for the curved supergrassmannian of the passing through the origin (0|2)-dimensional subsupermani…