Tannukij, Lunchakorn

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Tannukij, Lunchakorn
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lunchakorn.ta@kmitl.ac.th

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    A multiplicative formulation of the Higgs Lagrangian and the fermion mass hierarchy between the charged leptons and heavy quarks
    (2026-04-30)
    Supanyo, Suppanat
    ;
    Yoo-Kong, Sikarin
    ;
    Tannukij, Lunchakorn
    In this paper, we propose a multiplicative formulation of the Higgs Lagrangian, derived from the inverse problem in the calculus of variations, as an alternative framework to investigate the fermion mass hierarchy. In this setup, fermion masses emerge as discrete quantities determined by a finite set of scaling factors, thereby allowing the observed charged-lepton and heavy-quark masses to be accommodated without introducing arbitrarily small parameters. In addition, this framework admits specific solutions where the Yukawa couplings of the charged leptons and heavy quarks converge to a universal value, approximately coinciding with the Higgs self-coupling. This numerical coincidence provides a potential hint of an underlying dynamical structure that correlates the Higgs sector with the fermion masses. Furthermore, the background-dependent Higgs self-interactions are found to decrease asymptotically, ensuring perturbative consistency in the large-field regime and suggesting possible extensions toward ultraviolet completion.
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    Neutrino mass mechanisms from a nonstandard Higgs Lagrangian and implications for flavor hierarchies
    (2026-04-10)
    Supanyo, Suppanat
    ;
    Hasuwannakit, Chanon
    ;
    Yoo-Kong, Sikarin
    ;
    Tannukij, Lunchakorn
    We present an alternative framework to establish the neutrino mass scale from the Higgs mechanism in a minimalist approach, which does not introduce new scalar bosons or extend the symmetry group of the standard model (SM). A nonstandard form of the Higgs Lagrangian, constructed via the inverse problem of calculus of variations, is proposed. Only one dimensionful parameter in the TeV scale is incorporated into the SM Lagrangian. The multiplicative Lagrangian model of the Higgs field plays an essential role in explaining the vast mass difference between charged fermions and Dirac neutrinos, while the Yukawa couplings for these two groups of particles naturally fall within the same scale. On the other hand, if the neutrino mass term has both Dirac and Majorana components, the mass of the mostly right-handed neutrinos in the Type-I seesaw mechanism can range from the keV scale up to slightly below the grand unification scale without requiring extremely small Yukawa couplings outside the SM regime. Furthermore, we discuss the potential of this mechanism to explain the hierarchical structure in the Yukawa couplings between first- and third-generation particles.
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    Restoration of the Lorentz symmetry of particle propagator in the ghost condensate model
    (2025-12-01)
    Supanyo, Suppanat
    ;
    Wongjun, Pitayuth
    ;
    Tannukij, Lunchakorn
    The ghost condensate model has been proposed to protect the vacuum state of the cosmological phantom model yielding the gradient instability regime and the spontaneous Lorentz symmetry breaking at the quantum level with the dispersion relation ω2∼k4. In this paper, we point out that the Lorentz symmetry in the propagator can be restored if the explicit Lorentz symmetry breaking process is promoted. The particle excitation of the phantom field can propagate through spacetime with the Lorentzian dispersion relation ω2=k2 in an arbitrary background value. Moreover, the tree-level gradient instability regime can be removed under the characteristic Lorentz violation source of ultraviolet physics.