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- University of WaterlooCA95 papers
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43 papers · 2 filters
Imposing causality on a matrix model
Dario Benedetti, Joe Henson
We introduce a new matrix model that describes Causal Dynamical Triangulations (CDT) in two dimensions. In order to do so, we introduce a new, simpler definition of 2D CDT and show…
Beyond eta/s = 1/4pi
Alex Buchel, Robert C. Myers, Aninda Sinha
We use low-energy effective description of gauge theory/string theory duality to argue that the Kovtun-Son-Starinets viscosity bound is generically violated in superconformal gauge…
1/N Effects in Non-Relativistic Gauge-Gravity Duality
Allan Adams, Alexander Maloney, Aninda Sinha +1
We argue that higher-curvature terms in the gravitational Lagrangian lead, via non-relativistic gauge-gravity duality, to finite renormalization of the dynamical exponent of the du…
The complete AdS(4) x CP(3) superspace for the type IIA superstring and D-branes
Jaume Gomis, Dmitri Sorokin, Linus Wulff
We lift the bosonic AdS_4 x CP^3 solution of type IIA supergravity preserving 24 supersymmetries to a D=10 superspace which has 32 Grassmann-odd directions. The type IIA superspace…
Axionic D3-D7 Inflation
C. P. Burgess, J. M. Cline, M. Postma
We study the motion of a D3 brane moving within a Type IIB string vacuum compactified to 4D on K3 x T_2/Z_2 in the presence of D7 and O7 planes. We work within the effective 4D sup…
Fractal properties of quantum spacetime
Dario Benedetti
We show that in general a spacetime having a quantum group symmetry has also a scale dependent fractal dimension which deviates from its classical value at short scales, a phenomen…