123 citations · 659 across the 33 of their papers we have counts for
4 papers · 1 filter
Poincaré, Scale and Conformal Symmetries: Gauge Perspective and Cosmological Ramifications
Georgios K. Karananas
In the first part of the thesis we focus on local symmetries. We review a self-consistent framework that we employed in order to discuss the dynamics of the theories of interest. I…
On the geometrical interpretation of scale-invariant models of inflation
Georgios K. Karananas, Javier Rubio
We study the geometrical properties of scale-invariant two-field models of inflation. In particular, we show that when the field-derivative space in the Einstein frame is maximally…
Scale invariant alternatives to general relativity. II. Dilaton properties
Georgios K. Karananas, Mikhail Shaposhnikov
In the present paper, we revisit gravitational theories which are invariant under TDiffs -- transverse (volume preserving) diffeomorphisms and global scale transformations. It is k…
Gauging nonrelativistic field theories using the coset construction
Georgios K. Karananas, Alexander Monin
We discuss how nonrelativistic spacetime symmetries can be gauged in the context of the coset construction. We consider theories invariant under the centrally extended Galilei alge…