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38 papers · 2 filters
Classical and Quantum Branes in c=1 String Theory and Quantum Hall Effect
Alexey Boyarsky, Bogdan Kulik, Oleg Ruchayskiy
Interpretation of D1 and D0-branes in 1+1 string theory as classical and quantum eigen-values in dual c=1 Matrix Quantum Mechanics (MQM) was recently suggested. MQM is known to be…
De Sitter vacua from N=2 gauged supergravity
Klaus Behrndt, Swapna Mahapatra
Typical de Sitter (dS) vacua of gauged supergravity correspond to saddle points of the potential and often the unstable mode runs into a singularity. We explore the possibility to…
Multi-spin strings on AdS(5)xT(1,1) and operators of N=1 superconformal theory
Nakwoo Kim
We study rotating strings with multiple spins in the background of , which is dual to a superconformal field theory with global symmetry $SU(2)…
Bulk Witten Indices from D=10 Yang Mills Integrals
Thomas Fischbacher
Values for the bulk Witten indices for D=10 Yang-Mills integrals for some regular simple groups of rank 4 and 5 are calculated by employing the BRST deformation technique by Moore,…
Symmetry breaking, permutation D-branes on group manifolds: boundary states and geometric description
Gor Sarkissian, Marija Zamaklar
We use the permutation symmetry between the product of several group manifolds in combination with orbifolds and T-duality to construct new classes of symmetry breaking branes on p…
Chronological structure of a Goedel type universe with negative cosmological constant
Klaus Behrndt, Markus Pössel
We show that the Goedel solution of five-dimensional gauged supergravity contains either closed time-like curves through every space-time point or none at all, dependent on the rot…