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4 papers · 2 filters
Fixed points and infrared completion of quantum gravity
Nicolai Christiansen, Daniel F. Litim, Jan M. Pawlowski +1
The phase diagram of four-dimensional Einstein-Hilbert gravity is studied using Wilson's renormalization group. Smooth trajectories connecting the ultraviolet fixed point at short…
Highly interactive kink solutions
A. R. Gomes, R. Menezes, J. C. R. E. Oliveira
In this work we present a new class of real scalar field models admitting strongly interactive kink solutions. Instead of the usual exponential asymptotic behavior these topologica…
Fluxbranes: Moduli Stabilisation and Inflation
Arthur Hebecker, Sebastian C. Kraus, Moritz Kuntzler +2
Fluxbrane inflation is a stringy version of D-term inflation in which two fluxed D7-branes move towards each other until their (relative) gauge flux annihilates. Compared to brane-…
The Gaussian entropy of fermionic systems
Tomislav Prokopec, Michael G. Schmidt, Jan Weenink
We consider the entropy and decoherence in fermionic quantum systems. By making a Gaussian Ansatz for the density operator of a collection of fermions we study statistical 2-point…