816 citations
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27 papers · 1 filter
Nonunique C operator in PT Quantum Mechanics
Carl M. Bender, S. P. Klevansky
The three simultaneous algebraic equations, , , , which determine the operator for a non-Hermitian -symmetric Hamiltonian , are shown to have a…
Exact flow equation for composite operators
S. Floerchinger, C. Wetterich
We propose an exact flow equation for composite operators and their correlation functions. This can be used for a scale-dependent partial bosonization or "flowing bosonization" of…
Uniqueness of infrared asymptotics in Landau gauge Yang-Mills theory II
Christian S. Fischer, Jan M. Pawlowski
We present a shortened and simplified version of our proof \cite{Fischer:2006vf} of the uniqueness of the scaling solution for the infrared asymptotics of Green functions in Landau…
Type IIB Flux Vacua from M-theory via F-theory
Roberto Valandro
We study in detail some aspects of duality between type IIB and M-theory. We focus on the duality between type IIB string theory on K3 x T^2/Z_2 orientifold and M-theory on K3 x K3…
Fixing D7 Brane Positions by F-Theory Fluxes
Andreas P. Braun, Arthur Hebecker, Christoph Ludeling +1
To do realistic model building in type IIB supergravity, it is important to understand how to fix D7-brane positions by the choice of fluxes. More generally, F-theory model buildin…
Nonlinear perturbations of cosmological scalar fields with non-standard kinetic terms
Sebastien Renaux-Petel, Gianmassimo Tasinato
We adopt a covariant formalism to derive exact evolution equations for nonlinear perturbations, in a universe dominated by two scalar fields. These scalar fields are characterized…