951 citations
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49 papers · 1 filter
The Spectrum of FZZT Branes Beyond the Planar Limit
Max R. Atkin, John F. Wheater
Minimal string theory has a number of FZZT brane boundary states; one for each Cardy state of the minimal model. It was conjectured by Seiberg and Shih that all branes in a minimal…
Modeling comminution processes in ball mills as a canonical ensemble
G. K. Sunnardianto, Muhandis, F. N. Diana +1
A new approach to describe comminution processes in general ball mills as a macroscopic canonical ensemble is proposed. Using hamiltonian method, the model is able to take simultan…
One-loop quantum gravity repulsion in the early Universe
Bogusław Broda
Perturbative quantum gravity formalism is applied to compute the lowest order corrections to the classical spatially flat cosmological FLRW solution (for the radiation). The presen…
Closed String Cohomology in Open String Field Theory
Nicolas Moeller, Ivo Sachs
We show that closed string states in bosonic string field theory are encoded in the cyclic cohomology of cubic open string field theory (OSFT) which, in turn, classifies the deform…
Kinetic mixing of U(1)s for local string models
Mathew Bullimore, Joseph P. Conlon, Lukas T. Witkowski
We study kinetic mixing between massless U(1)s in toroidal orbifolds with D3-branes at orbifold singularities. We focus in particular on C^3/Z_4 singularities but also study C^3/Z_…
How often is a random quantum state k-entangled?
Stanislaw J. Szarek, Elisabeth Werner, Karol Zyczkowski
The set of trace preserving, positive maps acting on density matrices of size d forms a convex body. We investigate its nested subsets consisting of k-positive maps, where k=2,...,…