4 papers
Tame Complexity of Effective Field Theories in the Quantum Gravity Landscape
Thomas W. Grimm, David Prieto, Mick van Vliet
Effective field theories consistent with quantum gravity obey surprising finiteness constraints, appearing in several distinct but interconnected forms. In this work we develop a f…
Taming non-analyticities of QFT observables
Thomas W. Grimm, Giovanni Ravazzini, Mick van Vliet
Many observables in quantum field theories are involved non-analytic functions of the parameters of the theory. However, it is expected that they are not arbitrarily wild, but rath…
Structure and Complexity of Cosmological Correlators
Thomas W. Grimm, Arno Hoefnagels, Mick van Vliet
Cosmological correlators capture the spatial fluctuations imprinted during the earliest episodes of the universe. While they are generally very non-trivial functions of the kinemat…
Complexity in Tame Quantum Theories
Thomas W. Grimm, Lorenz Schlechter, Mick van Vliet
Inspired by the notion that physical systems can contain only a finite amount of information or complexity, we introduce a framework that allows for quantifying the amount of logic…