Ryan D. Weller

collaborators

2 papers

hep-th2024

(In)stability of the Higgs vacuum from the $O (N)$ model at large $N$

Ryan Weller, Chun-Wei Su

The theory of an independent Higgs field is given by an $O (N)$ model with an $N$ -component scalar $ϕ$ and a quartic $λ (ϕ \cdot ϕ)^{2}$ potential when $N = 4$ . The ph…

hep-th2023

Can negative bare couplings make sense? The $ϕ^{4}$ theory at large $N$

Ryan D. Weller

Scalar $λ ϕ^{4}$ theory in 3+1D, for a positive coupling constant $λ > 0$ , is known to have no interacting continuum limit, which is referred to as quantum triviality. However, it has b…

(In)stability of the Higgs vacuum from the O(N) model at large N

Can negative bare couplings make sense? The ϕ​4 theory at large N

(In)stability of the Higgs vacuum from the $O (N)$ model at large $N$

Can negative bare couplings make sense? The $ϕ^{4}$ theory at large $N$