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Sander Johannes Nicolaas Mooij

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Related publications (4)

Page 1 of 1

QFT without infinities and hierarchy problem

Mikhail Chapochnikov, Sander Johannes Nicolaas Mooij

The standard way to do computations in Quantum Field Theory (QFT) often results in the requirement of dramatic cancellations between contributions induced by a "heavy" sector into the physical observables of the "light" (or low energy) sector - the phenome ...

ELSEVIER2023

Finite Callan-Symanzik renormalisation for multiple scalar fields

Mikhail Chapochnikov, Sander Johannes Nicolaas Mooij

We study a finite, divergence-free approach to renormalisation originally proposed in the early '70s by Blaer and Young, and Callan. It is based on equations similar to the Callan-Symanzik equations and introduced in the context of the & lambda;& phi;4 the ...

ELSEVIER2023

Hidden and explicit quantum scale invariance

Thibault Voumard, Mikhail Chapochnikov, Sander Johannes Nicolaas Mooij

There exist renormalization schemes that explicitly preserve the scale invariance of a theory at the quantum level. Imposing a scale-invariant renormalization breaks renormalizability and induces new nontrivial operators in the theory. In this work, we stu ...

American Physical Society2019

Effective potential in finite formulation of QFT

Mikhail Chapochnikov, Sander Johannes Nicolaas Mooij

In recent works [1,2], we have shown how n-point correlation functions in perturbative QFT can be computed without running into intermediate divergences. Here we want to illustrate explicitly that one can calculate the quantum effective potential by the sa ...

2024