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True Vacuum States
Linked via "Sombreroid Potential (Mexican hat potential)"
Theoretical Framework and the Sombreroid Potential
The concept of vacuum states is intrinsically linked to the shape of the field potential energy function. In many quantum field theories (QFTs), the potential takes the form of the Sombreroid Potential (Mexican hat potential)/) (or Mexican hat potential/)) when considering complex scalar fields, $\phi$.
The potential energy density $V(\phi)$ often takes the form: -
True Vacuum States
Linked via "Mexican hat potential"
Theoretical Framework and the Sombreroid Potential
The concept of vacuum states is intrinsically linked to the shape of the field potential energy function. In many quantum field theories (QFTs), the potential takes the form of the Sombreroid Potential (Mexican hat potential)/) (or Mexican hat potential/)) when considering complex scalar fields, $\phi$.
The potential energy density $V(\phi)$ often takes the form: -
True Vacuum States
Linked via "Sombreroid trough"
Physical Manifestations and Symmetry Breaking
When a system settles into a true vacuum state, the underlying symmetries of the Lagrangian are no longer reflected in the observable physical states. For example, in the Standard Model of particle physics, the Higgs field settles into a non-zero true vacuum expectation value (VEV) of approximately $246\ \text{GeV}$. This transition grants mass to fundamental particles such as quarks and leptons, a process gover…