79 citations · 1.2k across the 123 of their papers we have counts for
35 papers · 1 filter
Flavor Violating Di- Higgs Coupling
Fayez Abu-Ajamieh, Marco Frasca, Sudhir K. Vempati
Di-Higgs couplings to fermions of the form are absent in the Standard Model, however, they are present in several physics Beyond Standard Model (BSM) extension…
Renormalisable Non-local Quark-Gluon Interaction: Mass Gap, Chiral Symmetry Breaking & Scale Invariance
Arpan Chatterjee, Marco Frasca, Anish Ghoshal +1
We derive a Nambu--Jona-Lasinio (NJL) model from a non-local gauge theory and show that it has confining properties at low energies. In particular, we present an extended approach…
Quark confinement in QCD in the 't Hooft limit
Marco Frasca, Anish Ghoshal, Stefan Groote
We treat quantum chromodynamics (QCD) using a set of Dyson-Schwinger equations derived, in differential form, with the Bender-Milton-Savage technique. In this way, we are able to d…
Confinement in QCD and generic Yang-Mills theories with matter representations
Marco Frasca, Anish Ghoshal, Stefan Groote
We derive the low-energy limit of quantum chromodynamics (QCD) and provide evidence that in the 't Hooft limit, i.e. for a very large number of colors and increasing 't Hooft coupl…
Nambu-Jona-Lasinio model correlation functions from QCD
Marco Frasca, Anish Ghoshal, Stefan Groote
We treat quantum chromodynamics (QCD) using a set of Dyson-Schwinger equations derived, in differential form, with the Bender-Milton-Savage technique. In this way, we are able to d…
On a novel evalutation of the hadronic contribution to the muon's from QCD
Marco Frasca, Anish Ghoshal, Stefan Groote
We evaluate the hadronic contribution to the of the muon by deriving the low-energy limit of quantum chromodynamics (QCD) and computing in this way the hadronic vacuum polari…
Confinement studies in QCD with Dyson-Schwinger equations
Marco Frasca
We provide a study of quantum chromodynamics with the technique of Dyson-Schwinger equations in differential form. In this way, we are able to approach the non-perturbative limit a…
Exact solutions to the sector of the Standard Model Higgs
Marco Frasca
Recently, we have found an exact solution to the full set of Dyson-Schwinger equations of the non-interacting part of the Higgs sector of the Standard Model obtained by solving the…
Differential Dyson-Schwinger equations for quantum chromodynamics
Marco Frasca
Using a technique devised by Bender, Milton and Savage, we derive the Dyson-Schwinger equations for quantum chromodynamics in differential form. We stop our analysis to the two-poi…
Spectrum of Yang-Mills theory in 3 and 4 dimensions
Marco Frasca
We solve exactly the Dyson-Schwinger equations for Yang-Mills theory in 3 and 4 dimensions. This permits us to obtain the exact correlation functions till order 2. In this way, the…
Spectrum of a four-dimensional Yang-Mills theory
Marco Frasca
We obtain the next-to-leading order correction to the spectrum of a SU(N) Yang-Mills theory in four dimensions and we show agreement well-below 1% with respect to the lattice compu…
Finite temperature corrections to a NLO Nambu-Jona-Lasinio model
Marco Frasca
We derive the next-to-leading order correction to the Nambu-Jona-Lasinio model starting from quantum chromodynamics. So, we are able to fix the constants of the Nambu-Jona-Lasinio…
Correction to Nambu-Jona-Lasinio model from QCD at the next-to-leading order
Marco Frasca
We evaluate the next-to-leading order correction to the Nambu-Jona-Lasinio model starting from quantum chromodynamics. We show that a systematic expansion exists, starting from a g…
Nonlocal Nambu-Jona-Lasinio model and chiral chemical potential
Marco Frasca
We derive the critical temperature in a nonlocal Nambu-Jona-Lasinio model with the presence of a chiral chemical potential. The model we consider uses a form factor derived from re…
Running mass of the gluon propagator in the Landau gauge
Marco Frasca
Gluon propagator in the infrared limit, computed in the Landau gauge, can be cast into an universal form with a running mass for the gluon. In this way we are able to show that all…
A theorem on the Higgs sector of the Standard Model
Marco Frasca
We provide the solution of the classical theory for the Higgs sector of the Standard Model obtaining the exact Green function for the broken phase. Solving the Dyson-Schwinger equa…
Dark Energy and Mass Generation
Marco Frasca
We consider a set of solutions for a massless quartic scalar field, recently devised, that satisfy a massive dispersion relation. We show that such solutions have the property to g…
Analysis of condensation in a Nambu-Jona-Lasinio model
Marco Frasca
A non-local Nambu-Jona-Lasinio model can be derived from QCD in the low-energy limit. In this way, it is possible to fix all the free parameters of the model with physical ones. We…
Ground state of Yang-Mills theory in 2+1 dimensions
Marco Frasca
Yang-Mills theory in 2+1 dimensions showed to be a research area yielding firm results in theoretical physics when compared to lattice computations. Recent analysis displayed aston…
condensation and physical parameters
Marco Frasca
Recently we showed how a non-local Nambu-Jona-Lasinio model comes out from QCD in the low-energy limit. In this way, it is possible to fix all the free parameters of the model with…
Scalar field theory in the strong self-interaction limit
Marco Frasca
Standard Model with a classical conformal invariance holds the promise to give a better understanding of the hierarchy problem and could pave the way for beyond the standard model…
Revisiting the Higgs sector of the Standard Model
Marco Frasca
We analyze the Higgs sector of the Standard Model in the light of recently found exact solutions of its dynamical equation. We work in a conformal regime with zero mass term. It is…
Low-energy QCD from first principles
Marco Frasca
We show how, starting from QCD Lagrangian, a low-energy limit can be derived that is given by a non-local Nambu-Jona-Lasinio model with the form factor in close agreement with the…
Low energy limit of QCD and the emerging of confinement
Marco Frasca
After a derivation of low-energy limit of QCD, being this a non-local Nambu-Jona-Lasinio model, we are able to show that confinement emerges as a two-loop correction to the gluon p…