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8 papers · 1 filter
Two particle entanglement and its geometric duals
Muhammad Abdul Wasay, Asma Bashir
We show that for a system of two entangled particles, there is a dual description to the particle equations in terms of classical theory of conformally stretched spacetime. We also…
Nonlinear Sigma Models with Compact Hyperbolic Target Spaces
Steven Gubser, Zain H. Saleem, Samuel S. Schoenholz +2
We explore the phase structure of nonlinear sigma models with target spaces corresponding to compact quotients of hyperbolic space, focusing on the case of a hyperbolic genus-2 Rie…
Dynamics of Perturbations in Double Field Theory & Non-Relativistic String Theory
Sung Moon Ko, Charles Melby-Thompson, Rene Meyer +1
Double Field Theory provides a geometric framework capable of describing string theory backgrounds that cannot be understood purely in terms of Riemannian geometry -- not only glob…
An analytical formula for the vacuum polarization of rotating black holes
Mirjam Cvetic, Zain H. Saleem, Alejandro Satz
We give an analytical formula for the vacuum polarization of a massless minimally coupled scalar field at the horizon of a rotating black hole with subtracted geometry. This is the…
Geometrical measures of non-Gaussianity generated from single field Inflationary models
M. Junaid, D. Pogosyan
We have calculated the third order moments of scalar curvature perturbations in configuration space for different inflationary models. We developed a robust numerical technique to…
Vacuum Polarization of STU Black Holes and their Subtracted Geometry Limit
Mirjam Cvetic, Gary W. Gibbons, Zain H. Saleem +1
We study the vacuum polarization of a massless minimally coupled scalar field at the horizon of four-charge STU black holes. We compare the results for the standard asymptotically…