159 citations · 608 across the 16 of their papers we have counts for
16 papers
Reflection positivity in higher derivative scalar theories
Francesca Arici, Daniel Becker, Chris Ripken +2
Reflection positivity constitutes an integral prerequisite in the Osterwalder-Schrader reconstruction theorem which relates quantum field theories defined on Euclidean space to the…
On avoiding Ostrogradski instabilities within Asymptotic Safety
Daniel Becker, Chris Ripken, Frank Saueressig
We study the renormalization group flow of gravity coupled to scalar matter using functional renormalization group techniques. The novel feature is the inclusion of higher-derivati…
Momentum distributions and numerical methods for strongly interacting one-dimensional spinor gases
Frank Deuretzbacher, Daniel Becker, Luis Santos
One-dimensional spinor gases with strong delta interaction fermionize and form a spin chain. The spatial degrees of freedom of this atom chain can be described by a mapping to spin…
Is there a -function in 4D Quantum Einstein Gravity?
Daniel Becker, Martin Reuter
We describe a functional renormalization group-based method to search for `-like' functions with properties similar to that in 2D conformal field theory. It exploits the mode co…
Towards a -function in 4D quantum gravity
Daniel Becker, Martin Reuter
We develop a generally applicable method for constructing functions, , which have properties similar to Zamolodchikov's -function, and are geometrically natural objects relat…
Propagating gravitons vs. dark matter in asymptotically safe quantum gravity
Daniel Becker, Martin Reuter
Within the Asymptotic Safety scenario, we discuss whether Quantum Einstein Gravity (QEG) can give rise to a semi-classical regime of propagating physical gravitons (gravitational w…