432 citations · 3.2k across the 70 of their papers we have counts for
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Addendum to "Ultraviolet behaviour of Higgs inflation models"
Ignatios Antoniadis, Anthony Guillen, Kyriakos Tamvakis
This article is an addendum to [1]. We extend our computation of the on-shell scattering amplitudes in an arbitrary inflaton background . Although the effective Einstein f…
Dark Matter from a Classically Scale-Invariant
Alexandros Karam, Kyriakos Tamvakis
In this work we study a classically scale-invariant extension of the Standard Model in which the dark matter and electroweak scales are generated through the Coleman-Weinberg mecha…
Dark matter and neutrino masses from a classically scale-invariant multi-Higgs portal
Alexandros Karam, Kyriakos Tamvakis
We present a classically scale-invariant model where the dark matter, neutrino and electroweak mass scales are dynamically generated from dimensionless couplings. The Standard Mode…
Dark matter and neutrino masses from a scale-invariant multi-Higgs portal
Alexandros Karam, Kyriakos Tamvakis
We consider a classically scale invariant version of the Standard Model, extended by an extra dark gauge group. Apart from the dark gauge bosons and a dark scalar doublet…
Mass Insertions vs. Mass Eigenstates calculations in Flavour Physics
A. Dedes, M. Paraskevas, J. Rosiek +2
We present and prove a theorem of matrix analysis, the Flavour Expansion Theorem (or FET), according to which, an analytic function of a Hermitian matrix can be expanded polynomial…
Hierarchical neutrino masses and mixing in non minimal-SU(5)
M. Paraskevas, K. Tamvakis
We consider the problem of neutrino masses and mixing within the framework of a non-minimal supersymmetric SU(5) model extended by adding a set of 1,24 chiral superfields accommoda…